Description

Chloroazepoxide CAS NO 38-41-5 is a benzodiazepine derivative and a key pharmaceutical intermediate. Its primary value lies in its role as a precursor in the synthesis of active pharmaceutical ingredients (APIs) for anxiolytic and sedative medications. This high-purity compound is essential for manufacturers in the pharmaceutical and fine chemical industries engaged in research, development, and production of central nervous system (CNS) drugs.

Application

• Pharmaceutical Intermediate: Primary use as a critical building block in the synthesis of benzodiazepine-class active pharmaceutical ingredients (APIs).
• Research & Development: Serves as a reference standard and starting material in medicinal chemistry for developing new CNS-targeting therapeutics.
• Fine Chemical Synthesis: Used in multi-step organic synthesis to create novel chemical entities with potential pharmacological activity.
• Analytical Standard: Employed in quality control laboratories for method development, validation, and as a certified reference material (CRM).

Basic Information

Product Name	Chloroazepoxide
CAS No.	38-41-5
Molecular Formula	C16H14ClN3O
Molecular Weight	299.75 g/mol
Synonyms	7-Chloro-2-methylamino-5-phenyl-3H-1,4-benzodiazepine 4-oxide; 7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one 4-Oxide; Chlordiazepoxide Impurity A; Methaminodiazepoxide; Librium Intermediate; 7-Chloro-N-methyl-5-phenyl-3H-1,4-benzodiazepin-2-amine 4-Oxide
EINECS	Contact for details

Quality Control

Our Chloroazepoxide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for pharmaceutical intermediate use. Certificates of Analysis (COA) documenting full compliance are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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