Certificate of analysis · Apex Laboratory
Dihexa 10 mg (60pcs)
APX-2026-0404-D
View Dihexa 10 mg (60pcs) product
For laboratory research use only. The issue date identifies this certificate; it is not a testing date.
Preview report pages Analytical record
Results & specifications
T01Identity and structure
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Orthogonal identity against specified referenceDihexa: N-hexanoyl-L-Tyr-L-Ile-NH-(CH2)5-C(O)NH2; TyrS and Ile2S,3S. 60 capsules with 10.00 mg anhydrous Dihexa equivalent each. | Conforms to the assigned reference; see identity basisPASS | Conforms to the specified acceptance criterion | M-T01-DEFAULT |
Supporting analytical detail for Orthogonal identity against specified reference
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| Orthogonal fingerprint similarityspectrum/peptide-map comparison; score is not proof of stereochemistry | 0.9994 similarity (0-1)PASS | >= 0.995similarity (0-1) | M-T01-DEFAULT |
Supporting analytical detail for Orthogonal fingerprint similarity
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| Dihexa 10 mg (60pcs) HRMS ion mass error[M+1H]^1+; reference monoisotopic M=504.33117052 Da; molecule excludes associated salt/solvate | -1.0369 ppmPASS | -5 to 5ppm | M-T01-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) HRMS ion mass error
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T02Chromatographic purity
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Dihexa 10 mg (60pcs) chromatographic puritySingle analyte method scope; intended blend co-components and excipients excluded by analyte-specific selectivity, not denominator manipulation | 99.938 % integrated detector areaPASS | 99.7 to 100% integrated detector area | M-T02-RP-UPLC-DAD |
Supporting analytical detail for Dihexa 10 mg (60pcs) chromatographic purity
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T05Related substances and degradants
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Dihexa 10 mg (60pcs) Unknown U1Same analyte-specific chromatogram as T02; response factor assumed 1.00 for unknowns; area only | 0.031 % integrated detector areaPASS | <= 0.1% integrated detector area | M-T05-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) Unknown U1
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| Dihexa 10 mg (60pcs) Unknown U2Same analyte-specific chromatogram as T02; response factor assumed 1.00 for unknowns; area only | 0.019 % integrated detector areaPASS | <= 0.1% integrated detector area | M-T05-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) Unknown U2
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| Dihexa 10 mg (60pcs) Unknown U3Same analyte-specific chromatogram as T02; response factor assumed 1.00 for unknowns; area only | 0.012 % integrated detector areaPASS | <= 0.1% integrated detector area | M-T05-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) Unknown U3
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| Dihexa 10 mg (60pcs) total related peaksSum of U1+U2+U3; purity plus related areas = 100% | 0.062 % integrated detector areaPASS | <= 0.3% integrated detector area | M-T05-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) total related peaks
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T03Active content and assay
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Dihexa 10 mg (60pcs) active contentAssigned component material basis; excludes vehicle/excipient/water; salt basis explicitly in identity specification | 10.0085 mg/capsulePASS | 9.8 to 10.2mg/capsule | M-T03-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) active content
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| Dihexa 10 mg (60pcs) label claim assayIndependent calibrated amount / nominal amount x 100; not chromatographic area purity | 100.085 % label claimPASS | 98 to 102% label claim | M-T03-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) label claim assay
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T15Unit uniformity
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Dihexa 10 mg (60pcs) individual-unit meanspecified sample/form only | 100.085 % label claimPASS | 98 to 102% label claim | M-T15-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) individual-unit mean
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| Dihexa 10 mg (60pcs) acceptance value (n=10)AV=abs(M-mean)+2.4 sample SD; target 100%; M=mean within 98.5-101.5 | 0.8458 % label claimPASS | <= 15% label claim | M-T15-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) acceptance value (n=10)
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| Dihexa 10 mg (60pcs) individual-unit RSDPrecision criterion for the listed specification, independently of AV | 0.3521 %PASS | <= 2% | M-T15-DEFAULT |
Supporting analytical detail for Dihexa 10 mg (60pcs) individual-unit RSD
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| Physical capsule countthree-bottle count inspection | 60 capsules/bottlePASS | 60 to 60capsules/bottle | M-T15-DEFAULT |
Supporting analytical detail for Physical capsule count
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T04Blend composition
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — One declared active or a water/preservative reagent. Preservative is separately quantified under T14; there is no multi-active blend ratio.N/A — justified | Not applicable — One declared active or a water/preservative reagent. Preservative is separately quantified under T14; there is no multi-active blend ratio. | M-T04-DEFAULT |
Supporting analytical detail for Applicability decision
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T06Water content
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Residual waterWater as percentage of total net formulation, not peptide area purity | 0.78 % w/w finished fillPASS | <= 2% w/w finished fill | M-T06-KF |
Supporting analytical detail for Residual water
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T07Counterions and associated species
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — No fixed counterion salt is assigned in this formulation; vehicle ions and intentional metal complexes are treated by their component specifications.N/A — justified | Not applicable — No fixed counterion salt is assigned in this formulation; vehicle ions and intentional metal complexes are treated by their component specifications. | M-T07-DEFAULT |
Supporting analytical detail for Applicability decision
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T08Residual solvents
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| MethanolMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 23.096 ug/g finished fillPASS | <= 3000ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Methanol
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| AcetonitrileMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 7.699 ug/g finished fillPASS | <= 410ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Acetonitrile
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| DichloromethaneMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 3.924 ug/g finished fillPASS | <= 600ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Dichloromethane
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| N, N-dimethylformamideMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 3.899 ug/g finished fillPASS | <= 880ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for N, N-dimethylformamide
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| EthanolMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 40.024 ug/g finished fillPASS | <= 5000ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Ethanol
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| AcetoneMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 11.956 ug/g finished fillPASS | <= 5000ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Acetone
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| Ethyl acetateMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 9.807 ug/g finished fillPASS | <= 5000ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Ethyl acetate
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| TolueneMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 1.839 ug/g finished fillPASS | <= 890ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Toluene
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| n-HexaneMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 1.03 ug/g finished fillPASS | <= 290ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for n-Hexane
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| BenzeneMaterial-based limit. Liquid numerical limits are listed specification and not ICH Option1 mass ppm. | 0.083 ug/g finished fillPASS | <= 2ug/g finished fill | M-T08-DEFAULT |
Supporting analytical detail for Benzene
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T09Elemental impurities
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| LeadTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0123 ug/g finished fillPASS | <= 0.5ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Lead
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| CadmiumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0085 ug/g finished fillPASS | <= 0.2ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Cadmium
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| ArsenicTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0174 ug/g finished fillPASS | <= 0.5ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Arsenic
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| MercuryTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0055 ug/g finished fillPASS | <= 0.1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Mercury
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| CobaltTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0201 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Cobalt
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| VanadiumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0238 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Vanadium
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| NickelTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0344 ug/g finished fillPASS | <= 2ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Nickel
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| PalladiumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.01 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Palladium
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| PlatinumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0083 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Platinum
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| RhodiumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0073 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Rhodium
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| RutheniumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0082 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Ruthenium
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| IridiumTotal element; no speciation. material-based criterion, not a dose/route-derived safety limit. | 0.0063 ug/g finished fillPASS | <= 1ug/g finished fill | M-T09-DEFAULT |
Supporting analytical detail for Iridium
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T13pH and analytical solution
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — No validated aqueous solution pH specification for this capsule/poorly aqueous-soluble material. Extraction conditions for identity/assay are separately specified; no pH value is invented for dry powder.N/A — justified | Not applicable — No validated aqueous solution pH specification for this capsule/poorly aqueous-soluble material. Extraction conditions for identity/assay are separately specified; no pH value is invented for dry powder. | M-T13-DEFAULT |
Supporting analytical detail for Applicability decision
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T14Excipients and preservatives
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Microcrystalline cellulose contentSeparate excipient-specific assay; not label active | 188.591 mg/capsuleRecorded numeric value: 188.59075PASS | 179.018 to 197.862mg/capsule | M-T14-DEFAULT |
Supporting analytical detail for Microcrystalline cellulose content
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T21Appearance and physical inspection
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| AppearanceThree containers under diffuse white illumination | white to off-white; uniform intact capsulePASS | Conforms to the specified acceptance criterion | M-T21-DEFAULT |
Supporting analytical detail for Appearance
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| Visible foreign matterVisual observation only; subvisible particles reported separately | None observed in 3 inspected unitsPASS | Conforms to the specified acceptance criterion | M-T21-DEFAULT |
Supporting analytical detail for Visible foreign matter
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T10Sterility test
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — capsules are nonsterile solids. Microbial limits are appropriate; reporting a passing sterility test would imply an unassigned sterile product specification.N/A — justified | Not applicable — capsules are nonsterile solids. Microbial limits are appropriate; reporting a passing sterility test would imply an unassigned sterile product specification. | M-T10-DEFAULT |
Supporting analytical detail for Applicability decision
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T11Bacterial endotoxins
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — No endotoxin-controlled intended use or specification is assigned to the nonsterile capsule . Microbial counts cannot be substituted for endotoxin testing.N/A — justified | Not applicable — No endotoxin-controlled intended use or specification is assigned to the nonsterile capsule scenario. Microbial counts cannot be substituted for endotoxin testing. | M-T11-DEFAULT |
Supporting analytical detail for Applicability decision
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T12Microbial enumeration
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| TAMCZero colonies observed from1g or1 mL equivalent filter; report <1, not exact absence | <1 CFU/g finished fillPASS | <= 100CFU/g finished fill | M-T12-DEFAULT |
Supporting analytical detail for TAMC
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| TYMCZero colonies observed from1g or1 mL equivalent filter; report <1, not exact absence | <1 CFU/g finished fillPASS | <= 10CFU/g finished fill | M-T12-DEFAULT |
Supporting analytical detail for TYMC
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| Escherichia coliSpecified-organism enrichment in explicit1g/1 mL scope; not a universal pharmacopeial panel | Not detected in 1gPASS | Conforms to the specified acceptance criterion | M-T12-DEFAULT |
Supporting analytical detail for Escherichia coli
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| Staphylococcus aureusSpecified-organism enrichment in explicit1g/1 mL scope; not a universal pharmacopeial panel | Not detected in 1gPASS | Conforms to the specified acceptance criterion | M-T12-DEFAULT |
Supporting analytical detail for Staphylococcus aureus
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| Pseudomonas aeruginosaSpecified-organism enrichment in explicit1g/1 mL scope; not a universal pharmacopeial panel | Not detected in 1gPASS | Conforms to the specified acceptance criterion | M-T12-DEFAULT |
Supporting analytical detail for Pseudomonas aeruginosa
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| Salmonella speciesSpecified-organism enrichment in explicit1g/1 mL scope; not a universal pharmacopeial panel | Not detected in 1gPASS | Conforms to the specified acceptance criterion | M-T12-DEFAULT |
Supporting analytical detail for Salmonella species
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| Candida albicansSpecified-organism enrichment in explicit1g/1 mL scope; not a universal pharmacopeial panel | Not detected in 1gPASS | Conforms to the specified acceptance criterion | M-T12-DEFAULT |
Supporting analytical detail for Candida albicans
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T16Biological activity
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — No qualified, reference-traceable potency endpoint is established for this selected identity. Identity/content data cannot justify an invented biological potency value; exploratory biological activity would require a separately defined assay.N/A — justified | Not applicable — No qualified, reference-traceable potency endpoint is established for this selected identity. Identity/content data cannot justify an invented biological potency value; exploratory biological activity would require a separately defined assay. | M-T16-DEFAULT |
Supporting analytical detail for Applicability decision
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T17Protein and conjugate characterization
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — No recombinant protein, polymer conjugate or complex mixture for this material. Defined synthetic peptide identity is characterized under T01; GHK copper speciation, when relevant, is explicit.N/A — justified | Not applicable — No recombinant protein, polymer conjugate or complex mixture for this material. Defined synthetic peptide identity is characterized under T01; GHK copper speciation, when relevant, is explicit. | M-T17-DEFAULT |
Supporting analytical detail for Applicability decision
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T18Process impurities
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Applicability decisionspecified sample/form only | Not applicable — chemical synthesis without cell/tissue manufacturing inputs; HCP, host DNA and Protein A are not relevant. Chemical process impurities are covered under T05/T08/T09.N/A — justified | Not applicable — chemical synthesis without cell/tissue manufacturing inputs; HCP, host DNA and Protein A are not relevant. Chemical process impurities are covered under T05/T08/T09. | M-T18-DEFAULT |
Supporting analytical detail for Applicability decision
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T19Particles and container closure
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Container closure and visible package conditionNonsterile capsule bottle or intentional dispersion; light-obscuration particulate numbers inappropriate for these matrices | No damage; closure and seal conform in 10 packagesPASS | Conforms to the specified acceptance criterion | M-T19-DEFAULT |
Supporting analytical detail for Container closure and visible package condition
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T20Stability observations
| Test / endpoint | Result | Acceptance criterion | Method |
|---|---|---|---|
| Reported 6 month assay retentionReported change relative to the initial assay. This report does not assign a retest date or shelf life. | 99.9101 % of initial assayPASS | 98 to 102% of initial assay | M-T20-DEFAULT |
Supporting analytical detail for Reported 6 month assay retention
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| Reported 6 month minimum component puritySeparate endpoint; no shelf-life claim | 99.896 % integrated detector areaPASS | 99.7 to 100% integrated detector area | M-T20-DEFAULT |
Supporting analytical detail for Reported 6 month minimum component purity
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| Dating dispositionReported change relative to the initial assay. This report does not assign a retest date or shelf life. | 6 month review point; actual expiry/retest not assignedPASS | Conforms to the specified acceptance criterion | M-T20-DEFAULT |
Supporting analytical detail for Dating disposition
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Method references
How the results are documented
- M-T01-DEFAULT
- Orthogonal chemical/structural identityLC-HRMS/MS plus sequence/connectivity-sensitive reference comparison
- M-T02-RP-UPLC-DAD
- Component-specific reversed-phase chromatographic response purityRP-UPLC with diode-array detection
- M-T05-DEFAULT
- Related substancesStability-indicating LC integration; orthogonal size/charge separation for biologics
- M-T03-DEFAULT
- Calibrated material contentIndependent quantitative LC/CAD, protein assay or bioactivity calibration for IU
- M-T15-DEFAULT
- Individual-unit uniformityTen separate unit preparations and fill measurements
- M-T04-DEFAULT
- Component-resolved blend assaySeparate calibrated selective assay for every declared component
- M-T06-KF
- Residual formulation water on a defined mass basisCoulometric Karl Fischer with oven transfer
- M-T07-DEFAULT
- Counterion compositionIon chromatography and stoichiometric accounting
- M-T08-DEFAULT
- Residual solvent panelheadspace GC-MS
- M-T09-DEFAULT
- Elemental impurity panelICP-MS
- M-T13-DEFAULT
- pH and solution stateCalibrated potentiometry
- M-T14-DEFAULT
- Excipients/preservativesComponent-specific quantitative LC/CAD or formulation identity
- M-T21-DEFAULT
- AppearanceControlled visual examination
- M-T10-DEFAULT
- Sterility observations in two media with matrix-specific preparationMembrane filtration/rinsing or neutralized direct inoculation for Lemon dispersion
- M-T11-DEFAULT
- Bacterial endotoxinsRecombinant factor C fluorometric assay
- M-T12-DEFAULT
- Microbial enumeration/organismsMembrane filtration enumeration and enrichment
- M-T16-DEFAULT
- Functional biological activityReference-relative concentration-response assay
- M-T17-DEFAULT
- Protein/conjugate characterizationSEC-MALS, CE-SDS, peptide mapping, glycan/PEG profiling
- M-T18-DEFAULT
- Biological process impurity panelHost/process-specific ELISA and qPCR
- M-T19-DEFAULT
- Particles and package integrityLight obscuration plus vacuum decay
- M-T20-DEFAULT
- Stability observationTime-zero/1/3/6-month trend
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