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CHLORCYCLIZINE HYDROCHLORIDE

CAS No.
1620-21-9
Chemical Name:
CHLORCYCLIZINE HYDROCHLORIDE
Synonyms
CHLORCYCLIZINE HCL;Chlorcyclizine hydrochloride (1:x);MPB Chlorcyclizine Hydrochloride;1-[(4-CHLOROPHENYL)PHENYL-METHYL]-4-METHYLPIPERAZINE HYDROCHLORIDE;Piperazine, 1-(4-chlorophenyl)phenylmethyl-4-methyl-, hydrochloride;Piperazine,1-(p-chloro-a-phenylbenzyl)-4-methyl-,hydrochloride (6CI,8CI)
CBNumber:
CB6747268
Molecular Formula:
C18H22Cl2N2
Molecular Weight:
337.29
MDL Number:
MFCD00035329
MOL File:
1620-21-9.mol
Last updated:2023-05-09 09:30:47

CHLORCYCLIZINE HYDROCHLORIDE Properties

Melting point 226-227°
FDA UNII NPB7A7874U
EPA Substance Registry System Chlorcyclizine hydrochloride (1620-21-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS08
Signal word  Warning
Hazard statements  H302-H351
Precautionary statements  P280-P305+P351+P338

CHLORCYCLIZINE HYDROCHLORIDE price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Chemenu CM169997 1-((4-chlorophenyl)(phenyl)methyl)-4-methylpiperazinehydrochloride 95% 1620-21-9 1g $529 2021-12-16 Buy
Crysdot CD11243614 1-((4-Chlorophenyl)(phenyl)methyl)-4-methylpiperazinehydrochloride 95+% 1620-21-9 1g $559 2021-12-16 Buy
Product number Packaging Price Buy
CM169997 1g $529 Buy
CD11243614 1g $559 Buy

CHLORCYCLIZINE HYDROCHLORIDE Chemical Properties,Uses,Production

Originator

Perazil,Burroughs-Wellcome,US,1949

Uses

H1-antihistamine

Manufacturing Process

0.08 mol (19 9) of 4-chlorobenzhydryl chloride and 0.16 mol (16 g) of methylpiperazine were mixed in about 20 cc of dry benzene. The flask containing the reaction mixture was covered by a watch glass and set in a steam bath, and heating was continued for 6 hours. The contents of the flask were partitioned between ether and water and the ethereal layer was washed with water until the washings were neutral. The ethereal layer was extracted successively with 30 and 10 cc portions of 3 N hydrochloric acid. On evaporation of the ether layer there remained a residue of 2.5 9. The aqueous extracts were united and basified with concentrated alkali. The oily base was taken into ether and dried over potassium carbonate. On evaporation of the ether, N-methyl-N'-(4-chlorobenzhydryl) piperazine was recovered in the form of a viscous oil in 75% yield. The N-methyl-N'-(4-chlorobenzhydryl) piperazine was dissolved in absolute alcohol and ethanolic hydrogen chloride added in excess. The dihydrochloride crystallized on addition of absolute ether and was recrystallized from the same solvent mixture in the form of longish prisms melting at about 216°C.

Therapeutic Function

Antihistaminic

General Description

Chlorcyclizinehydrochloride, 1-(p-chloro-α-phenylbenzyl)-4-methylpiperazinemonohydrochioride, is a light-sensitive, white crystallinepowder that is soluble in water (1:2), in alcohol(1:11), and in chloroform (1:4). A 1% solution has a pH between4.8 and 5.5. Disubstitution or substitution of halogenin the 2- or 3-position of the benzhydryl rings results in amuch less potent compound. Chlorcydizine is indicated forthe symptomatic relief of urticaria, hay fever, and certainother conditions.

CHLORCYCLIZINE HYDROCHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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CHLORCYCLIZINE HCL 1-[(4-CHLOROPHENYL)PHENYL-METHYL]-4-METHYLPIPERAZINE HYDROCHLORIDE Piperazine, 1-(4-chlorophenyl)phenylmethyl-4-methyl-, hydrochloride MPB Chlorcyclizine Hydrochloride Chlorcyclizine hydrochloride (1:x) Piperazine,1-(p-chloro-a-phenylbenzyl)-4-methyl-,hydrochloride (6CI,8CI) 1620-21-9 C18H22Cl2N2 C18H21ClN2xClH DI-PARALENE