Desmopressin Acetate Powder Cas No. 16789-98-3

Desmopressin Acetate Powder Cas No. 16789-98-3

Product Name: Desmopressin Acetate Powder
Content specification: ≥ 95%-105%
CAS Number: 16789-98-3
Detection method: HPLC
Molecular formula: C46H64N14O12S2
Molecular weight: 1069.24
Active ingredient: Desmopressin acetate
Product Description: White or off white loose powder
Product usage: urinary system, hemostasis
Product storage: Light shielded, sealed, refrigerated at 2-8 ℃ (strictly prohibited from freezing)
Shelf life: Unopened 24-36 months
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Desmopressin Acetate API Powder CAS 16789-98-3

Desmopressin Acetate API Powder | CAS 16789-98-3 | High-Selectivity Vasopressin Analog

Desmopressin Acetate (CAS No. 16789-98-3) is a synthetic cyclic nonapeptide (C46​H64​N14​O12​S2​) specifically engineered to enhance the metabolic stability of natural vasopressin. At Xi'an Tihealth, we utilize advanced Solid-Phase Peptide Synthesis (SPPS) and preparative HPLC to achieve a validated purity of 95.0%–105.0% on an anhydrous basis, strictly adhering to USP/EP pharmacopeial standards. By implementing the deamination of 1-cysteine and the substitution of L-arginine with D-arginine, our Desmopressin API facilitates potent V2 receptor selectivity while eliminating pressor activity. This pharmaceutical-grade powder is optimized for global manufacturers developing oral lyophilizates, nasal sprays, and parenteral formulations requiring exceptional batch-to-batch consistency and ultra-low impurity profiles.

Pharmacological Mechanism and Receptor Selectivity

Desmopressin Acetate facilitates targeted therapeutic efficacy through high-affinity binding to V2 receptors, bypassing systemic vasoconstrictive pathways:

  • Antidiuretic Regulation: Selective agonism of renal tubular V2 receptors triggers the apical translocation of aquaporin-2 (AQP2), maximizing free water reabsorption and increasing urine osmolality by 2,000–4,000 times compared to natural AVP.
  • Hemostatic Support: Activation of endothelial V2 receptors induces the rapid release of von Willebrand factor (vWF) from Weibel-Palade bodies, stabilizing Factor VIII (FVIII) and enhancing primary hemostasis without inducing V1-mediated hypertension.
  • Metabolic Stability: The structural modification confers significant resistance against plasma vasopressinases, extending the clinical half-life to 1.5–3.5 hours, essential for formulating once-daily dosing regimens.

Pharmaceutical Applications and Clinical Indications

  • Central Diabetes Insipidus (CDI): Essential API for replacement therapy to manage polyuria and polydipsia.
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  • Hematological Hemostasis: Indicated for the management of mild Hemophilia A and von Willebrand's disease (Type I).
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  • Pediatric Enuresis: Optimized for oral melt and nasal delivery systems targeting nocturnal polyuria.

Logistics Compliance Note: Desmopressin Acetate API must be stored at 2-8°C. It is strictly prohibited from freezing during transit or storage to prevent irreversible peptide aggregation. Always use validated isothermal packaging for international air freight.

Global Procurement and Compliance FAQ

Can Xi'an Tihealth provide DMF/CEP support for international drug registration?

Yes. We provide comprehensive regulatory support for global drug filings. This includes providing a full technical dossier (DMF-ready), Method of Analysis (MOA), and Letter of Access (LOA) to support your ANDA, MAA, or other regulatory submissions to the FDA, EMA, or NMPA.

 

How do you control the impurity profile and residual solvents (ICH Q3C) for this API?

Every batch of our Desmopressin Acetate is validated via HPLC/MS. We strictly control total impurities ≤ 1.5% and ensure that residual solvents comply with ICH Q3C guidelines. This ensures that the API is suitable for high-concentration parenteral and nasal formulations requiring maximum safety margins.

 

What measures are taken to prevent freezing during global cold chain transit?

Recognizing that peptide denaturation occurs upon freezing, we utilize validated **isothermal shipping containers** equipped with continuous temperature loggers. We coordinate with premium logistics partners to ensure the API remains strictly between 2-8°C from our facility to your manufacturing site.

 

Is the Desmopressin Acetate API certified as TSE/BSE-free and non-GMO?

Absolutely. Our Desmopressin is 100% synthetically derived via Solid-Phase Peptide Synthesis. We provide formal TSE/BSE-free statements and non-GMO certifications, confirming that no animal-origin materials are utilized in the synthesis or purification stages, simplifying your quality risk assessment.

 

Can you provide specific Particle Size Distribution (PSD) data for nasal or ODT formulations?

Yes. We support scalable procurement from 1g to multi-kilogram batches. For manufacturers developing oral disintegrating tablets (ODT) or intranasal systems, we provide customized PSD data and micronization services to ensure optimal dissolution and systemic absorption in your final dosage form.

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