3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one

Modify Date: 2026-08-05 09:11:43

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure
3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one structure
Common Name 3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one
CAS Number 28544-83-4 Molecular Weight 162.189
Density 1.1±0.1 g/cm3 Boiling Point 436.0±25.0 °C at 760 mmHg
Molecular Formula C9H10N2O Melting Point N/A
MSDS N/A Flash Point 210.0±23.3 °C

Summary: 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one (Chinese name: 1,2,3,4-四氢苯并(e)(1,4)二氮杂革-5-酮), with the molecular formula C9H10N2O and molecular weight 162.189, CAS number 28544-83-4. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 436.0±25.0 °C at 760 mmHg
Molecular Formula C9H10N2O
Molecular Weight 162.189
Flash Point 210.0±23.3 °C
Exact Mass 162.079315
PSA 44.62000
LogP -0.14
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.548
InChIKey WCNVOWWRJIZZKA-UHFFFAOYSA-N
SMILES C1CNC(=O)C2=CC=CC=C2N1

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~50%

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure

3,4-Dihydro-1H-...

CAS#:28544-83-4

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Literature: Sashida, Haruki; Fujii, Akira; Tsuchiya, Takashi Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 8 p. 3182 - 3189

~38%

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure

3,4-Dihydro-1H-...

CAS#:28544-83-4

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Literature: Hussenether, Thomas; Huebner, Harald; Gmeiner, Peter; Troschuetz, Reinhard Bioorganic and Medicinal Chemistry, 2004 , vol. 12, # 10 p. 2625 - 2637

~%

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure

3,4-Dihydro-1H-...

CAS#:28544-83-4

Learn More
Literature: Sashida, Haruki; Fujii, Akira; Tsuchiya, Takashi Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 8 p. 3182 - 3189

~%

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure

3,4-Dihydro-1H-...

CAS#:28544-83-4

Learn More
Literature: Sashida, Haruki; Fujii, Akira; Tsuchiya, Takashi Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 8 p. 3182 - 3189

~%

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure

3,4-Dihydro-1H-...

CAS#:28544-83-4

Learn More
Literature: Sashida, Haruki; Fujii, Akira; Tsuchiya, Takashi Chemical & Pharmaceutical Bulletin, 1987 , vol. 35, # 8 p. 3182 - 3189

~%

3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one Structure

3,4-Dihydro-1H-...

CAS#:28544-83-4

Learn More
Literature: Grunewald, Gary L.; Dahanukar, Vilas H.; Ching, Piao; Criscione, Kevin R. Journal of Medicinal Chemistry, 1996 , vol. 39, # 18 p. 3539 - 3546

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1,2,3,4-Tetrahydro-5H-1,4-benzodiazepin-5-on
RW2676
3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one
1,2,3,4-Tetrahydro-5H-1,4-benzodiazepin-5-one
1,3,4,5-TETRAHYDRO-2H-1,5-BENZODIAZEPIN-2-ONE
2,3,4,5-Tetrahydrobenzo<f>-1.4-diazepin-5-on
1,2,3,4-tetrahydrobenzo(e)(1,4)diazepin-5-one

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: Molecular weight of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is 162.189.
Q: What is the molecular formula of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: Molecular formula of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is C9H10N2O.
Q: What are the downstream products of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: Related downstream products(CAS) of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one: 5946-39-4.
Q: What are the upstream materials of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: Related upstream materials(CAS) of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one: 107468-22-4;5118-94-5;32112-94-0;107468-21-3;107468-20-2;4295-36-7.
Q: What is the LogP of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: LogP of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is -0.14.
Q: What is the SMILES notation of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: SMILES notation of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is C1CNC(=O)C2=CC=CC=C2N1.
Q: What is the InChIKey of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: InChIKey of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is WCNVOWWRJIZZKA-UHFFFAOYSA-N.
Q: What English synonyms does 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one have?
A: English synonyms of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one: 1,2,3,4-Tetrahydro-5H-1,4-benzodiazepin-5-on, RW2676, 3,4-Dihydro-1H-benzo[e][1,4]diazepin-5(2H)-one, 1,2,3,4-Tetrahydro-5H-1,4-benzodiazepin-5-one, 1,3,4,5-TETRAHYDRO-2H-1,5-BENZODIAZEPIN-2-ONE, 2,3,4,5-Tetrahydrobenzo-1.4-diazepin-5-on, 1,2,3,4-tetrahydrobenzo(e)(1,4)diazepin-5-one.
Q: What is the English name of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: The English name of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one.
Q: What is the boiling point of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one?
A: Boiling point of 1,2,3,4-tetrahydro-1,4-benzodiazepin-5-one is 436.0±25.0 °C at 760 mmHg.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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