Description

Diphenylpyraline is a pharmaceutical-grade organic compound belonging to the class of ethanolamine antihistamines. This high-purity active pharmaceutical ingredient (API) is valued for its precise chemical structure and reliable performance in critical formulations. It is primarily utilized by pharmaceutical manufacturers and research institutions developing therapeutic solutions. The compound is supplied under stringent quality control to ensure batch-to-batch consistency for demanding applications.

Application

• Pharmaceutical API: Primary use as the active ingredient in antihistamine and anticholinergic medications.
• Allergy & Motion Sickness Formulations: Key component in tablets, capsules, and syrups designed to treat symptoms of allergies, vertigo, and motion sickness.
• Neurological Research: Used in preclinical studies to investigate histamine H1-receptor antagonism and its effects on the central nervous system.
• Veterinary Pharmaceuticals: Incorporated into medicinal products for animal health, addressing allergic reactions and vestibular disorders.
• Reference Standard: Serves as a high-purity analytical standard for quality control testing in pharmaceutical laboratories.
• Intermediate Synthesis: Acts as a chemical building block for the research and development of novel therapeutic agents.

Basic Information

Product Name	Diphenylpyraline
CAS No.	147-20-6
Molecular Formula	C19H23NO
Molecular Weight	281.39 g/mol
Synonyms	4-Diphenylmethoxy-1-methylpiperidine; Diphenylpyraline Hydrochloride (salt form); Difenilpiramina; Histryl; Lergoban; Dayfen; Hispril; Diphenylpyraline HCl; SKF-478
EINECS	205-685-5

Quality Control

Our Diphenylpyraline is manufactured and tested to meet exacting pharmaceutical standards. Each batch is subjected to comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling via HPLC, to ensure compliance with in-house specifications aligned with ICH Q3A/B guidelines. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and quality assurance for our global customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a 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 to reference spectrum
Assay (HPLC)	≥ 98.5%
Related Substances (HPLC)	Total impurities ≤ 1.5%
Loss on Drying	≤ 0.5%
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.