2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine

2-(2-乙酰肼基)-7-氯-5-苯基-3H-1,4-苯并二氮杂卓

Also known as: Alprazolam Related Compound A, Alprazolam USP Impurity A, Alprazolam Impurity 18, N'-(7-Chloro-5-phenyl-3H-benzo[e][1,4]diazepin-2-yl)acetohydrazide, Acetic acid [7-chloro-5-phenyl-1,3-dihydro-benzo[e][1,4]diazepin-(2E)-ylidene]-hydrazide, 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepine-2 acetylhydrazone, 2-(7-chloro-5-phenyl-3H-1,4-benzodiazepin-2-yl)acetohydrazide

2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine (CAS 28910-89-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C17H15ClN4O and a molecular weight of 326.78000 g/mol. It is also known as Alprazolam Related Compound A, Alprazolam USP Impurity A and Alprazolam Impurity 18. Key properties include a melting point of 245-247ºC and a density of 1.33g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28910-89-6
Jingsj CID
J-1175258-9
Molecular Formula
C17H15ClN4O
Chinese Name
2-(2-乙酰肼基)-7-氯-5-苯基-3H-1,4-苯并二氮杂卓
Molecular Weight
326.78000 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point245-247ºC
Density1.33g/cm3

Frequently Asked Questions

What is the CAS number of 2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine?

The CAS number of 2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine is 28910-89-6.

What are the molecular formula and molecular weight of 2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine?

2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine has molecular formula C17H15ClN4O and molecular weight 326.78000 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine (CAS 28910-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175258-9 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.