Description

Propoxyphene Napsylate is a pharmaceutical-grade active pharmaceutical ingredient (API) and a key chemical intermediate. This compound is critical for ensuring the quality and consistency of pharmaceutical formulations and research activities. It is primarily utilized by pharmaceutical manufacturers, analytical laboratories, and research institutions engaged in drug development and quality control.

Application

• Pharmaceutical API: Serves as the active ingredient in specific analgesic formulations.
• Reference Standard: Used as a certified reference material (CRM) for analytical method development and validation in quality control laboratories.
• Chemical Intermediate: Acts as a crucial building block in the synthesis of more complex pharmaceutical compounds.
• Pharmacological Research: Employed in preclinical and clinical studies to investigate pharmacological profiles and metabolic pathways.
• Impurity Standard: Utilized for the identification and quantification of related substances in pharmaceutical products.
• Academic Research: Supports chemical and pharmaceutical research in academic and institutional settings.

Basic Information

Product Name	Propoxyphene Napsylate
CAS No.	17140-78-2
Molecular Formula	C28H35NO5 • C10H8O3S
Molecular Weight	565.7 g/mol
Synonyms	Dextropropoxyphene Napsylate; Propoxyphene Napsilate; α-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol Propionate Ester 2-Naphthalenesulfonate; (±)-4-(Dimethylamino)-3-methyl-1,2-diphenyl-2-butanol Propionate 2-Naphthalenesulfonate; 1,2-Diphenyl-4-dimethylamino-3-methyl-2-propionyloxybutane Napsylate; Darvon-N; Dextropropoxyphene Napsilate; Dextropropoxyphene Napsylate Salt
EINECS	241-200-8

Quality Control

Our Propoxyphene Napsylate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and impurity profiles, aligning with industry expectations for pharmaceutical intermediates and reference standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Identification (HPLC)	Conforms
Assay (HPLC)	98.0% - 102.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.