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ChemicalBook >> CAS DataBase List >> 5-(2-Chlorophenyl)-7-ethyl-1,3-dihydro-2H-thieno[2,3-e]-1,4-diazepin-2-one

5-(2-Chlorophenyl)-7-ethyl-1,3-dihydro-2H-thieno[2,3-e]-1,4-diazepin-2-one

5-(2-Chlorophenyl)-7-ethyl-1,3-dihydro-2H-thieno[2,3-e]-1,4-diazepin-2-one price.
  • $129 - $2056
  • Product name: 5-(2-Chlorophenyl)-7-ethyl-1,3-dihydro-2H-thieno[2,3-e]-1,4-diazepin-2-one
  • CAS: 33671-37-3
  • MF: C15H13ClN2OS
  • MW: 304.79
  • EINECS:
  • MDL Number:
  • Synonyms:5-(2-Chlorophenyl)-7-ethyl-1,3-dihydro-2H-thieno[2,3-e]-1,4-diazepin-2-one;2H-Thieno(2,3-e)(1,4)diazepin-2-one, 1,3-dihydro-5-(o-chlorophenyl)-7-ethyl-;1,3-dihydro-5-(o-chlorophenyl)-7-ethyl-2H-Thieno(2,3-e)(1,4)diazepin-2-one;N-DesMethyl ClotiazepaM;5-(o-Chlorophenyl)-7-ethyl-1,3-dihydro-2H-thieno(2,3-e)(1,4)diazepin-2-one;5-(2-Chlorophenyl)-7-ethyl-1H-thieno[2,3-e][1,4]diazepin-2(3H)-one;2H-Thieno[2,3-e]-1,4-diazepin-2-one, 5-(2-chlorophenyl)-7-ethyl-1,3-dihydro-;Desmethylclotiazepam
Price14 Properties Safety Information Description
14 prices
Selected condition：
Brand
  • Alichem
  • Biosynth
  • Cayman Chemical
  • Chemenu
  • ChemScene
  • Crysdot
  • TRC
  • Usbiological
Package
  • 1mg
  • 5mg
  • 10mg
  • 25mg
  • 50mg
  • 100mg
  • 1000g
  • ManufacturerAlichem
  • Product number33671373
  • Product description5-(2-Chlorophenyl)-7-ethyl-1H-thieno[2,3-e][1,4]diazepin-2(3H)-one
  • Packaging100mg
  • Price$1260
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberIBA67137
  • Product descriptionN-Desmethyl clotiazepam
  • Packaging50mg
  • Price$1283.5
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberIBA67137
  • Product descriptionN-Desmethyl clotiazepam
  • Packaging25mg
  • Price$801.75
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberIBA67137
  • Product descriptionN-Desmethyl clotiazepam
  • Packaging100mg
  • Price$1785
  • Updated2026-06-04
  • Buy
  • ManufacturerCayman Chemical
  • Product number27838
  • Product descriptionDesmethylclotiazepam ≥98%
  • Packaging1mg
  • Price$129
  • Updated2026-04-30
  • Buy
  • ManufacturerCayman Chemical
  • Product number27838
  • Product descriptionDesmethylclotiazepam ≥98%
  • Packaging5mg
  • Price$510
  • Updated2026-04-30
  • Buy
  • ManufacturerChemenu
  • Product numberCM482915
  • Product description5-(2-chlorophenyl)-7-ethyl-1,3-dihydrothieno[2,3-e][1,4]diazepin-2-one 95%+
  • Packaging1000g
  • Price$1462
  • Updated2026-05-26
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0746248
  • Product descriptionN-Desmethyl clotiazepam
  • Packaging1mg
  • Price$368
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0746248
  • Product descriptionN-Desmethyl clotiazepam
  • Packaging5mg
  • Price$1104
  • Updated2026-06-04
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11141468
  • Product description5-(2-Chlorophenyl)-7-ethyl-1H-thieno[2,3-e][1,4]diazepin-2(3H)-one 97%
  • Packaging100mg
  • Price$1200
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberD291535
  • Product descriptionN-DesmethylClotiazepam
  • Packaging100mg
  • Price$1455
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberTRC-D291535-100MG
  • Product descriptionN-Desmethyl Clotiazepam
  • Packaging100mg
  • Price$2056
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-D291535-10MG
  • Product descriptionN-Desmethyl Clotiazepam
  • Packaging10mg
  • Price$265
  • Updated2026-06-03
  • Buy
  • ManufacturerUsbiological
  • Product number165401
  • Product descriptionN-Desmethyl Clotiazepam
  • Packaging10mg
  • Price$460
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Alichem 33671373 5-(2-Chlorophenyl)-7-ethyl-1H-thieno[2,3-e][1,4]diazepin-2(3H)-one 100mg $1260 2021-12-16 Buy
Biosynth IBA67137 N-Desmethyl clotiazepam 50mg $1283.5 2026-06-04 Buy
Biosynth IBA67137 N-Desmethyl clotiazepam 25mg $801.75 2026-06-04 Buy
Biosynth IBA67137 N-Desmethyl clotiazepam 100mg $1785 2026-06-04 Buy
Cayman Chemical 27838 Desmethylclotiazepam ≥98% 1mg $129 2026-04-30 Buy
Cayman Chemical 27838 Desmethylclotiazepam ≥98% 5mg $510 2026-04-30 Buy
Chemenu CM482915 5-(2-chlorophenyl)-7-ethyl-1,3-dihydrothieno[2,3-e][1,4]diazepin-2-one 95%+ 1000g $1462 2026-05-26 Buy
ChemScene CS-0746248 N-Desmethyl clotiazepam 1mg $368 2026-06-04 Buy
ChemScene CS-0746248 N-Desmethyl clotiazepam 5mg $1104 2026-06-04 Buy
Crysdot CD11141468 5-(2-Chlorophenyl)-7-ethyl-1H-thieno[2,3-e][1,4]diazepin-2(3H)-one 97% 100mg $1200 2021-12-16 Buy
TRC D291535 N-DesmethylClotiazepam 100mg $1455 2021-12-16 Buy
TRC TRC-D291535-100MG N-Desmethyl Clotiazepam 100mg $2056 2026-06-03 Buy
TRC TRC-D291535-10MG N-Desmethyl Clotiazepam 10mg $265 2026-06-03 Buy
Usbiological 165401 N-Desmethyl Clotiazepam 10mg $460 2021-12-16 Buy

Properties

Melting point :208-210°C (dec.)
Boiling point :479.9±45.0 °C(Predicted)
Density :1.39
storage temp. :-20°C Freezer
solubility :DMSO (Slightly), Methanol (Slightly)
pka :13.08±0.40(Predicted)
form :Solid
color :Off-White to Beige

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

Desmethylclotiazepam (Item No. 27838) is an analytical reference standard categorized as a thienodiazepine. It is an active metabolite of clotiazepam. This product is intended for research and forensic applications.

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Suppliers and manufacturers

Hebei Yanxi Chemical Co., Ltd.
N-Desmethyl Clotiazepam
$50.00
N-Desmethyl Clotiazepam CAS:33671-37-3
J & K SCIENTIFIC LTD. Chemsky（shanghai）International Co.,Ltd. Shanghai TaoSu Biochemical Technology Co., Ltd. Beijing Cooperate Pharmaceutical Co.,Ltd Twochem Co.Ltd. Nanjing crow LuNing pharmaceutical technology co., LTD Shanghai Hongye Biotechnology Co. Ltd Shenzhen Polymeri Biochemical Technology Co., Ltd. Labnetwork lnc.