{
  "verifiedOn": "2026-11-07",
  "compound": "PT-141 peptide",
  "slug": "pt-141",
  "products": [
    {
      "ingredientIdentity": "PT-141 (bremelanotide), a cyclic melanocortin-receptor agonist",
      "casNumber": "189691-06-3",
      "formula": "C50H68N14O10",
      "theoreticalMolecularMassDa": 1025.2,
      "counterIon": null,
      "unitCount": 1,
      "price": null,
      "checkoutUrl": null,
      "availability": null,
      "additionalAccessories": null,
      "intendedUse": "Laboratory research material; not the approved Vyleesi drug product.",
      "id": "vial",
      "formatKind": "vial",
      "title": "PT-141 10 mg vial",
      "shortName": "10 mg vial",
      "format": "Freeze-dried peptide powder",
      "totalMg": 10,
      "amountLabel": "10 mg PT-141 per vial",
      "ingredientAmountsMg": {
        "PT-141": 10
      },
      "ingredients": [
        "PT-141 (bremelanotide)"
      ],
      "concentrationMgMl": null,
      "fillVolumeMl": null,
      "containerVolumeMl": 3,
      "containerVolumeBasis": "The original product image identifies a 3 mL vial. This is container size, not supplied liquid volume or a mixing instruction.",
      "unitName": "vial",
      "perUnitMcg": 10000,
      "photoFile": "pt-141-10mg-vial-unbranded.png",
      "photoAlt": "PT-141 10 mg vial, product photograph with supplier branding removed",
      "photoWidth": 1254,
      "photoHeight": 1254,
      "preparation": "Powder requires preparation to a known final volume; the vial size does not set the concentration.",
      "mixingRequired": true,
      "preparationDiluent": null,
      "preparationDiluentVolumeMl": null,
      "preparationHandling": "Allow the sealed vial to reach room temperature before opening. Add method-specified diluent slowly to the vial wall; do not shake.",
      "appearance": "White lyophilized powder in the attached lot report",
      "storage": "Sealed powder: −20°C (−4°F), dry and protected from light. Prepared solution: 2–8°C (36–46°F), light protected, within its validated preparation period.",
      "storageTemperatureC": [
        -20
      ],
      "storageTemperatureF": [
        -4
      ],
      "preparedStorageTemperatureC": [
        2,
        8
      ],
      "preparedStorageTemperatureF": [
        35.6,
        46.4
      ],
      "shortTermStorageNote": "The safety data sheet permits 2–8°C for short periods without stating an exact duration.",
      "inUseLimit": null,
      "lot": "PL-2609-080",
      "coaId": "pt-141-10mg",
      "coaFile": "pt-141-10mg-lot-pl-2609-080-coa-redacted.pdf",
      "coaLotLinkageConfirmed": true,
      "displayCoaLabel": "Redacted 10 mg vial COA",
      "coaCoverage": "2 sampled powder vials from lot PL-2609-080",
      "coaScope": "Powder lot PL-2609-080: 99.42% HPLC area purity. No separate mg-per-vial content assay.",
      "keyDifference": "Known 10 mg powder label and matching redacted powder-lot report.",
      "measurement": "Concentration = labelled vial milligrams divided by final solution millilitres.",
      "packageContents": [
        "One sealed glass vial with rubber stopper and aluminium crimp"
      ],
      "specificationBasis": "Product specifications, original product image and safety data sheet PL-SDS-135, revision 1.0 dated 3 October 2026.",
      "labelAmountVsAssay": "10 mg is the label claim. The certificate reports purity and identity, not a quantitative fill-content assay.",
      "displayAmount": "10",
      "displayUnit": "mg PT-141 per vial",
      "description": "10 mg of bremelanotide powder with the matching source report for lot PL-2609-080.",
      "specs": [
        [
          "Contents",
          "10 mg · 10,000 mcg"
        ],
        [
          "Form",
          "Freeze-dried powder"
        ],
        [
          "Preparation",
          "Mixing required"
        ],
        [
          "Sealed storage",
          "−20°C (−4°F) · dry and dark"
        ]
      ],
      "buyLabel": "Buy PT-141 10 mg vial",
      "photoEdited": true,
      "photoEditNote": "Supplier branding removed from the supplied photograph; key product labels retained."
    },
    {
      "ingredientIdentity": "PT-141 (bremelanotide), a cyclic melanocortin-receptor agonist",
      "casNumber": "189691-06-3",
      "formula": "C50H68N14O10",
      "theoreticalMolecularMassDa": 1025.2,
      "counterIon": null,
      "unitCount": 1,
      "price": null,
      "checkoutUrl": null,
      "availability": null,
      "additionalAccessories": null,
      "intendedUse": "Laboratory research material; not the approved Vyleesi drug product.",
      "id": "nasal",
      "formatKind": "nasal",
      "title": "PT-141 nasal spray",
      "shortName": "Nasal spray",
      "format": "Ready-made nasal format",
      "totalMg": null,
      "amountLabel": "Strength conflict: 10 mg in written specifications; 30 mg on the original product image.",
      "ingredientAmountsMg": null,
      "ingredients": [
        "PT-141 (bremelanotide)"
      ],
      "excipients": null,
      "concentrationMgMl": null,
      "fillVolumeMl": null,
      "containerVolumeMl": null,
      "perSprayVolumeMl": null,
      "unitName": "bottle",
      "perUnitMcg": null,
      "perSprayMcg": null,
      "spraysPerBottle": null,
      "writtenSpecificationClaim": {
        "totalMg": 10,
        "formulation": [
          "Water",
          "0.9% benzyl alcohol"
        ],
        "maximumConcentrationPercentWv": 0.1
      },
      "imageLabelClaim": {
        "totalMg": 30,
        "perSprayMcg": 150,
        "spraysPerBottle": 200,
        "formulation": [
          "Saline",
          "Methylparaben"
        ]
      },
      "strengthConflict": true,
      "formulationConflict": true,
      "conflictResolution": "Unresolved. A current lot-specific bottle label, fill volume and pump calibration are needed before assigning total content, concentration or mcg per spray.",
      "sdsNominalFillMl": 10,
      "sdsNominalFillCaveat": "The safety data sheet uses a nominal minimum 10 mL fill for hazard classification and explicitly allows larger fills. This is not a verified fill volume for the bottle supplied.",
      "photoFile": "pt-141-nasal-spray-unbranded.png",
      "photoAlt": "PT-141 nasal spray, product photograph with supplier branding removed",
      "photoWidth": 1254,
      "photoHeight": 1254,
      "preparation": "Supplied as prepared liquid; no powder reconstitution. Exact strength and formulation need confirmation for the current lot.",
      "mixingRequired": false,
      "preparationDiluent": null,
      "preparationDiluentVolumeMl": null,
      "appearance": "Prepared aqueous liquid; current-lot formulation unconfirmed",
      "storage": "2–8°C (36–46°F), upright, capped and protected from light; do not freeze.",
      "storageTemperatureC": [
        2,
        8
      ],
      "storageTemperatureF": [
        35.6,
        46.4
      ],
      "inUseLimit": null,
      "lot": null,
      "coaId": null,
      "coaFile": null,
      "coaLotLinkageConfirmed": false,
      "coaCoverage": "No matching finished-spray COA supplied.",
      "coaScope": "The supplied redacted certificate covers powder-vial lot PL-2609-080. It does not identify or test the finished spray.",
      "keyDifference": "Prepared spray format; current strength, pump output and excipients are unresolved because source documents conflict.",
      "measurement": "No supported conversion from injection milligrams or U-100 units to nasal actuations.",
      "specificationBasis": "Product text and safety data sheet PL-SDS-137, revision 1.0 dated 3 October 2026, conflict with the product images with supplier branding removed.",
      "displayAmount": "—",
      "displayUnit": "Strength needs confirmation",
      "description": "Ready-made spray. The written specifications and original bottle image show different strengths and preservatives.",
      "notice": "Written information says 10 mg with benzyl alcohol; the original images show 30 mg, 150 mcg per spray, saline and methylparaben. Current-lot strength and formulation need confirmation.",
      "specs": [
        [
          "Form",
          "Prepared nasal solution"
        ],
        [
          "Per spray",
          "Current calibration unconfirmed"
        ],
        [
          "Mixing",
          "No powder to dissolve"
        ],
        [
          "Storage",
          "2–8°C (36–46°F) · do not freeze"
        ]
      ],
      "buyLabel": "Buy PT-141 nasal spray",
      "photoEdited": true,
      "photoEditNote": "Supplier branding removed from the supplied photograph; key product labels retained."
    }
  ],
  "coas": [
    {
      "id": "pt-141-10mg",
      "productId": "vial",
      "displayForProductIds": [
        "vial"
      ],
      "title": "PT-141 10 mg — lot PL-2609-080",
      "file": "pt-141-10mg-lot-pl-2609-080-coa-redacted.pdf",
      "preview": "pt-141-10mg-lot-pl-2609-080-coa-redacted-page-1.png",
      "pageCount": 2,
      "lot": "PL-2609-080",
      "certificateNumber": "PL-26-00080",
      "labelClaim": "10 mg PT-141 per vial",
      "sampleDescription": "Lyophilized powder",
      "purityPercent": 99.42,
      "purityLabel": "HPLC area purity",
      "purityMethod": "RP-HPLC, UV 214 nm; main peak area divided by total integrated area",
      "mainPeakRetentionTimeMin": 5.06,
      "printedMainPeakArea": 4275060,
      "printedTotalPeakArea": 4300000,
      "calculatedPurityFromPrintedAreasPercent": 99.42,
      "printedAreaPercentTotal": 100.0,
      "reportConsistencyStatus": "Printed peak areas and percentages reconcile exactly to the stated 99.42% result.",
      "peakTable": [
        {
          "rt": 4.32,
          "area": 8170,
          "percent": 0.19
        },
        {
          "rt": 5.06,
          "area": 4275060,
          "percent": 99.42
        },
        {
          "rt": 5.74,
          "area": 10750,
          "percent": 0.25
        },
        {
          "rt": 6.48,
          "area": 6020,
          "percent": 0.14
        }
      ],
      "largestImpurityPercent": 0.25,
      "largestImpurityRetentionTimeMin": 5.74,
      "largestImpurityIdentity": "Ring-opened linear, as reported",
      "identityMassDa": {
        "PT-141": 1025.4
      },
      "theoreticalMassDa": {
        "PT-141": 1025.2
      },
      "identityMethod": "LC-MS, positive electrospray ionization; stated mass acceptance ±1.0 Da",
      "formula": "C50H68N14O10",
      "casNumber": "189691-06-3",
      "waterPercent": 1.7,
      "waterMethod": "Karl Fischer",
      "endotoxinEUPerMg": 0.04,
      "endotoxinSpecificationEUPerMg": "≤5.0",
      "endotoxinMethod": "Kinetic LAL",
      "sterilityResult": "No growth; conforms",
      "sterilityMethod": "USP <71>, membrane filtration; no growth after 14 days",
      "contentAssay": null,
      "contentAssayNote": "No quantitative fill-content result is listed. 10 mg is the vial label claim.",
      "analysisDate": "2026-09-19",
      "waterTestDate": "2026-09-20",
      "endotoxinTestDate": "2026-09-21",
      "sterilityTestDate": "2026-10-02",
      "manufacturedDate": "2026-09-18",
      "issueDate": "2026-10-03",
      "retestExpiry": "2028-09-18",
      "unitsInLot": 250,
      "unitsSampled": 2,
      "storage": "−20°C (−4°F), desiccated and protected from light.",
      "laboratoryType": "In-house",
      "outsideReportsAttached": "None",
      "conclusion": "PASS stated in the source report.",
      "scope": "2 sampled powder vials from lot PL-2609-080; in-house testing. No separate quantitative vial-fill assay or finished-spray testing.",
      "sha256": "a194c5125def20e7453bfc499888325ff576d9b5af9d71a6d93500039e137ffa",
      "facts": [
        [
          "Label claim",
          "10 mg per powder vial"
        ],
        [
          "LC-MS identity",
          "1025.4 Da"
        ],
        [
          "Endotoxin",
          "0.04 EU/mg"
        ],
        [
          "Sterility",
          "No growth after 14 days"
        ],
        [
          "Analysis date",
          "19 September 2026"
        ],
        [
          "Sampled units",
          "2 of 250"
        ]
      ],
      "documentTreatment": "Redacted copy: supplier identifiers removed; analytical values, lot, dates and in-house status retained."
    }
  ]
}