4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine

Modify Date: 2025-08-25 13:59:35

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure
4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine structure
 Common Name 4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine
CAS Number 57756-36-2 Molecular Weight 190.242
Density 1.1±0.1 g/cm3 Boiling Point 393.4±31.0 °C at 760 mmHg
Molecular Formula C11H14N2O Melting Point 84-86ºC
MSDS N/A Flash Point 191.7±24.8 °C

 Names

Name 1-(1,2,3,5-tetrahydro-1,4-benzodiazepin-4-yl)ethanone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 393.4±31.0 °C at 760 mmHg
Melting Point 84-86ºC
Molecular Formula C11H14N2O
Molecular Weight 190.242
Flash Point 191.7±24.8 °C
Exact Mass 190.110611
PSA 32.34000
LogP 0.68
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.546
InChIKey MXBURCRAYKPWBR-UHFFFAOYSA-N
SMILES CC(=O)N1CCNc2ccccc2C1

 Safety Information

HS Code 2933990090

 Synthetic Route

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

2,3,4,5-Tetrahydro-1H-1,4-benzodiazepine structure

2,3,4,5-Tetrahy...

CAS#:5946-39-4

~95%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: Wyeth Patent: US2006/122385 A1, 2006 ; Location in patent: Page/Page column 13-14 ;
N-(2-chloroethyl)-N-(2-nitrobenzyl)acetamide structure

N-(2-chloroethy...

CAS#:1086007-35-3

~71%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: TOPHARMAN SHANGHAI CO., LTD.; WEIFANG TEHUA CHEMICAL CO., LTD. Patent: US2010/256358 A1, 2010 ; Location in patent: Page/Page column 5 ;
N-(2-chloroethyl)-2-nitrobenzylamine hydrochloride structure

N-(2-chloroethy...

CAS#:1086007-30-8

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~63%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: Topharman Shanghai Co., Ltd.; Weifang Tehua Chemical Co., Ltd. Patent: EP2163538 A1, 2010 ; Location in patent: Page/Page column 8 ;
Acetyl chloride structure

Acetyl chloride

CAS#:75-36-5

2,3,4,5-Tetrahydro-1H-1,4-benzodiazepine structure

2,3,4,5-Tetrahy...

CAS#:5946-39-4

~97%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: TOPHARMAN SHANGHAI CO., LTD.; WEIFANG TEHUA CHEMICAL CO., LTD. Patent: US2010/256358 A1, 2010 ; Location in patent: Page/Page column 5 ;
2-chloro-N-(2-nitrobenzyl)ethanamine structure

2-chloro-N-(2-n...

CAS#:1086096-22-1

Acetyl chloride structure

Acetyl chloride

CAS#:75-36-5

~65%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: TOPHARMAN SHANGHAI CO., LTD.; WEIFANG TEHUA CHEMICAL CO., LTD. Patent: US2010/256358 A1, 2010 ; Location in patent: Page/Page column 5 ;
Isatoic anhydride structure

Isatoic anhydride

CAS#:118-48-9

~%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 14, # 10 p. 2603 - 2607
3,4-Dihydro-1H-1,4-benzodiazepine-2,5-dione structure

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

CAS#:5118-94-5

~%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 14, # 10 p. 2603 - 2607
(2-aminobenzoylamino)acetic acid ethyl ester structure

(2-aminobenzoyl...

CAS#:5973-34-2

~%

4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine Structure

4-Acetyl-2,3,4,...

CAS#:57756-36-2

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 14, # 10 p. 2603 - 2607

 Customs

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

4-acetyl-2,3,4,5-tetrahydro-4H-benzo[1,4]diazepine
1-(1,2,3,5-Tetrahydro-4H-1,4-benzodiazepin-4-yl)ethanone
1H-1,4-Benzodiazepine,4-acetyl-2,3,4,5-tetrahydro
4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin
4-Acetyl-2,3,4,5-tetrahydro-1H-benzodiazepin
BEN207
4-acetyl-2,3,4,5-tetrahydro-1H-benzodiazepine
4-acetyl-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine
4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine
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Chemsrc provides CAS#:57756-36-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine>> amp version: 4-Acetyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine

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