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7-Aminonitrazepam

Also known as: 7-Amino-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one, Ro 5-3072, Ro-05-3072, 7-Amino-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one, 7-Amino-5-phenyl-1H-benzo[e][1,4]diazepin-2(3H)-one, 1,3-Dihydro-7-amino-5-phenyl-2H-1,4-benzodiazepin-2-one, 7-Amino-2,3-dihydro-5-phenyl-1H-1,4-benzodiazepin-2-one, 7-Amino-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin, 7-Amino Nitrazepam

7-Aminonitrazepam (CAS 4928-02-3) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H13N3O and a molecular weight of 251.28300 g/mol. Key properties include a melting point of 242-244ºC, a boiling point of 495.8ºC at 760 mmHg, a density of 1.3g/cm3 and a flash point of 253.6ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4928-02-3
Jingsj CID
J-7764-4
Molecular Formula
C15H13N3O
Molecular Weight
251.28300 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point242-244ºC
Boiling Point495.8ºC at 760 mmHg
Density1.3g/cm3
Flash Point253.6ºC
Exact Mass251.10600
PSA67.48000
LogP2.21310
Refractive Index1.683

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H332 — Harmful if inhaled
  • H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of 7-Aminonitrazepam?

The CAS number of 7-Aminonitrazepam is 4928-02-3.

What are the molecular formula and molecular weight of 7-Aminonitrazepam?

7-Aminonitrazepam has molecular formula C15H13N3O and molecular weight 251.28300 g/mol.

Is 7-Aminonitrazepam hazardous?

7-Aminonitrazepam has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.

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

Last updated:

How to cite: Jingsj. "7-Aminonitrazepam (CAS 4928-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7764-4 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.