ChemicalBook >> CAS DataBase List >>7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one

7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one

CAS No.
137982-91-3
Chemical Name:
7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one
Synonyms
7-chloro-1-(2-methyl-4-nitrobenzoyl)-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one;1H-benzo[b]azepine;Tovaptan impurity 12;Tovaptan impurity 32;Tolvaptan Impurity 12;Tolvaptan InterMediates;7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1...;7-chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-2H-1-benzazepin-5-one;7-chloro-1-(2-Methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one;7-Chloro-5-oxo-1-(2-methyl-4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-benzazepine
CBNumber:
CB32500622
Molecular Formula:
C18H15ClN2O4
Molecular Weight:
358.78
MDL Number:
MFCD19440800
MOL File:
137982-91-3.mol
MSDS File:
SDS
Last updated:2026-05-28 01:05:04

7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one Properties

Melting point 152 - 155°C
Boiling point 573.3±50.0 °C(Predicted)
Density 1.387
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Slightly)
form Solid
pka -2.58±0.20(Predicted)
color White to Off-White
InChI InChI=1S/C18H15ClN2O4/c1-11-9-13(21(24)25)5-6-14(11)18(23)20-8-2-3-17(22)15-10-12(19)4-7-16(15)20/h4-7,9-10H,2-3,8H2,1H3
InChIKey NNCRQBJNAGEBDM-UHFFFAOYSA-N
SMILES N1(C(=O)C2=CC=C([N+]([O-])=O)C=C2C)C2=CC=C(Cl)C=C2C(=O)CCC1
FDA UNII EWB5QJ6P82

SAFETY

Risk and Safety Statements

7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-C366123-50MG 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one 137982-91-3 50mg $607 2026-06-03 Buy
TRC TRC-C366123-250MG 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one 137982-91-3 250mg $2621 2026-06-03 Buy
TRC TRC-C366123-100MG 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one 137982-91-3 100mg $1175 2026-06-03 Buy
aablocks AA0017P5 7-Chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one 98% 137982-91-3 1g $27 2026-05-28 Buy
aablocks AA0017P5 7-Chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one 98%HPLC 137982-91-3 5g $46 2026-05-28 Buy
Product number Packaging Price Buy
TRC-C366123-50MG 50mg $607 Buy
TRC-C366123-250MG 250mg $2621 Buy
TRC-C366123-100MG 100mg $1175 Buy
AA0017P5 1g $27 Buy
AA0017P5 5g $46 Buy

7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one Chemical Properties, Uses, Production

Uses

7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one is an intermediate in synthesizing Tolvaptan-d7 (T536652), a labelled Tolvaptan (T536650). It is a selective, competitive arginine vasopressin V2 receptor antagonist used to treat hyponatremia (low blood sodium levels) associated with congestive heart failure, cirrhosis, and the syndrome of inappropriate antidiuretic hormone (SIADH).

7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 133)
Supplier Tel Email Country ProdList Advantage
Enki Biopharmaceuticals(Shanghai) Limited +86-21 5768 0965 +86-13916707528 yusu@enkibiopharma.com China 47 55
Jiangxi Jinfeng Pharmaceutical Co., Ltd 793-5181188 18170363299 yangyuening@jxjfpharma.com China 62 58
Suzhou Junye Biopharmaceutical Technology Co., Ltd 0512-0512-53662086-8001 18913766772 wangli@jyk-biotech.cn China 489 58
Shanghai Peiling Biological Technology Co., LTD 13127581762 13127581762 peilingchem@sina.com China 494 58
Chembest Research Laboratories Limited 021-20908456 sales@BioChemBest.com China 5996 61
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16306 64
XiaoGan ShenYuan ChemPharm co,ltd 15527621225; 15527621225 1791901229@qq.com China 6740 52
Nanjing Vital Chemical Co., Ltd. Please Send Email 18652950785 chemweiao@163.com China 4368 65
Beijing HuaMeiHuLiBiological Chemical 010-56205725 waley188@sohu.com China 12323 58
Ascepion Pharmaceuticals, Inc. +86-512-86881668 China 100 58

View Latest Price from 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one pictures 2026-09-18 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one
137982-91-3
1KG 98% 2000 Shenzhen Nexcon Pharmatechs Ltd.
7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5h-1-benzazepin-5-one pictures 2026-09-10 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5h-1-benzazepin-5-one
137982-91-3
1kg 99.0% 20000 Enki Biopharmaceuticals (Shanghai) Limited
 7-Chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one pictures 2026-03-12 7-Chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one
137982-91-3
10mg 98% 500mg ShenZhen H&D Pharmaceutical Technology Co., LTD
7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one Tolvaptan InterMediates 7-chloro-1-(2-Methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one 1H-benzo[b]azepine 7-Chloro-1,2,3,4-Tetrahydro-1-(2-Methyl-4-Nitrobenzoyl)-5H-1-Benzazepine-5-One Tolvaptan Impurity 12 7-chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-2H-1-benzazepin-5-one 5H-1-Benzazepin-5-one, 7-chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)- 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one CAS 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1... 7- chloro -1,2,3,4- tetrahydro -1-(2- methyl -4- nitrobenzoyl) -5H-1- benzoazepine -5- one * Tovaptan impurity 12 Tovaptan impurity 32 7-chloro-1-(2-methyl-4-(2-methylbenzamido)benzoyl)-2,3-dihydro-1H-benzo[b]azepin-5-yl 2-methylbenzoate 7-Chloro-5-oxo-1-(2-methyl-4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-benzazepine 7-chloro-1 -(2-methyl-4-nitrobenzoyl)-3, 4-dihydro-1h-benzo [b] azepine-5 (2H) -ketone 7-chloro-1-(2-methyl-4-nitrobenzoyl)-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one 7-Chloro-1-(2-methyl-4-nitrobenzoyl)-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one 137982-91-3 Pharmaceutical Intermediates