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
| 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
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501 |
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 |
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 | 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 | |
|---|---|---|---|---|---|---|---|---|
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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. | ||
![]() |
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 | ||
![]() |
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
137982-91-3
- $0.00
- 98%
- Shenzhen Nexcon Pharmatechs Ltd.
-

- 7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5h-1-benzazepin-5-one
137982-91-3
- 99.0%
- Enki Biopharmaceuticals (Shanghai) Limited
-
![7-Chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one pictures](/ProductImageEN1/2024-08/Small/5150d0cc-8918-44da-a179-19cea326987a.png)
- 7-Chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one
137982-91-3
- 98%
- ShenZhen H&D Pharmaceutical Technology Co., LTD
137982-91-3 (7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one) Related Search:
Ethyl 7-Chloro-5-oxo-1-toxyl-2,3,4,5,-tetrahydro-1H-benzo[b]azepine-4-carboxylate
Tolvaptan Impurity 18
Tolvaptan Impurity 13
5-Chloro-2-[(4-ethoxy-4-oxobutyl)[(4-methylphenyl)sulfonyl]amino]benzoic acid methyl ester
Tolvaptan Impurity 21
1of4
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





