7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide

7-氯-2-氧代-5-(2-氯苯基)-1,4-苯并二氮杂卓-4-氧化物

Also known as: Lorazepam Imp. C (EP), Delorazepam 4-Oxide, 7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-2H-benzo-1,4-diazepin-2-one 4-oxide, 7-Chloro-5-(2-chlorophenyl)-2,3-dihydro-1H-1,4-benzodiazepin-2-one 4-oxide, 7-Chloro-5-(o-chlorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-Oxide, Delorazepam 4-Oxide, 7-Chloro-5-(2-chlorophenyl)-4-oxy-1,3-dihydrobenzo[e][1,4]diazepin-2-one

7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide (CAS 2955-37-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H10Cl2N2O2 and a molecular weight of 321.15800 g/mol. It is also known as Lorazepam Imp. C (EP), Delorazepam 4-Oxide and 7-Chloro-5-(2-chlorophenyl)-1,3-dihydro-2H-benzo-1,4-diazepin-2-one 4-oxide. Key properties include a boiling point of 476.5ºC at 760 mmHg, a density of 1.49 g/cm3 and a flash point of 242ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2955-37-5
Jingsj CID
J-904945-1
Molecular Formula
C15H10Cl2N2O2
Chinese Name
7-氯-2-氧代-5-(2-氯苯基)-1,4-苯并二氮杂卓-4-氧化物
Molecular Weight
321.15800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point476.5ºC at 760 mmHg
Density1.49 g/cm3
Flash Point242ºC

Frequently Asked Questions

What is the CAS number of 7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide?

The CAS number of 7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide is 2955-37-5.

What are the molecular formula and molecular weight of 7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide?

7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide has molecular formula C15H10Cl2N2O2 and molecular weight 321.15800 g/mol.

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

Last updated:

How to cite: Jingsj. "7-Chloro-2-oxo-5-(2-chlorophenyl)-1,4-benzodiazepine-4-oxide (CAS 2955-37-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-904945-1 (accessed 2026-10-24).

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