Description

Diphenylpyraline Hydrochloride is a pharmaceutical-grade active pharmaceutical ingredient (API) belonging to the antihistamine class. It is valued for its potent H1-receptor antagonistic properties, which form the basis for its therapeutic applications. This compound is primarily utilized by pharmaceutical manufacturers and research institutions in the development and production of specialized medicinal formulations.

Application

• Pharmaceutical API: Core active ingredient in antihistamine medications for treating allergic conditions.
• Antiallergic Formulations: Used in the production of tablets, capsules, and other dosage forms targeting allergic rhinitis and urticaria.
• Research & Development: Serves as a key reference standard and building block in pharmacological and medicinal chemistry research.
• Veterinary Medicine: Potential application in veterinary pharmaceutical products for managing allergic reactions in animals.
• Combination Therapies: May be formulated in combination with other APIs for enhanced therapeutic effects in cold and allergy preparations.

Basic Information

Product Name	Diphenylpyraline Hydrochloride
CAS No.	132-18-3
Molecular Formula	C19H23NO•HCl
Molecular Weight	317.85 g/mol
Synonyms	4-Diphenylmethoxy-1-methylpiperidine Hydrochloride; Difenilpiralina Clorhidrato; Diphenylpyraline HCl; Histryl; Hispril; Lergoban; Lergoban Hydrochloride; SKF-478
EINECS	205-052-8

Quality Control

Our Diphenylpyraline Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical applications. A detailed Certificate of Analysis (COA), confirming identity, purity, and impurity profiles, is provided with every shipment.

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 away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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