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57072-90-9

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57072-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57072-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,7 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57072-90:
(7*5)+(6*7)+(5*0)+(4*7)+(3*2)+(2*9)+(1*0)=129
129 % 10 = 9
So 57072-90-9 is a valid CAS Registry Number.

57072-90-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-oxoandrost-4-ene-17β-carboxylic acid chloride

1.2 Other means of identification

Product number -
Other names 3-oxo-androst-4-ene-17β-carbonyl chloride

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:57072-90-9 SDS

57072-90-9Relevant articles and documents

Iridium-Catalyzed Three-component Coupling Reaction of Carbon Dioxide, Amines, and Sulfoxonium Ylides

Jiang, Huanfeng,Zhang, Hao,Xiong, Wenfang,Qi, Chaorong,Wu, Wanqing,Wang, Lu,Cheng, Ruixiang

supporting information, p. 1125 - 1129 (2019/05/16)

The first iridium-catalyzed three-component coupling reaction of carbon dioxide, amines, and sulfoxonium ylides has been developed, providing an efficient and straightforward method for the construction of a range of structurally diverse O-β-oxoalkyl carbamates in moderate to excellent yields. This novel protocol features the use of readily available substrates, wide substrate scope, and good functional group tolerance. Moreover, the phosgene-free strategy was successfully applied to the synthesis of a potential antitumor agent.

Substrate interaction with 5alpha-reductase enzyme: influence of the 17beta-chain chirality in the mechanism of action of 4-azasteroid inhibitors.

Grisenti,Magni,Olgiati,Manzocchi,Ferraboschi,Villani,Pucciariello,Celotti

, p. 803 - 810 (2007/10/03)

A series of steroidal compounds were synthesized in order to evaluate the possible influence of the configuration of a stereocenter in the 17beta-side chain on the inhibitory activity on the enzyme 5alpha-reductase (5AR). For this purpose diastereomerically pure 4-azasteroids epimers at C-22 were prepared (compounds 1-11) and tested as inhibitors of 5AR in "in vitro" tests. The obtained data showed that in most cases the couples of epimers possess a significant difference in their biological activity. We also considered, for the tested molecules, a series of chemico-physical parameters in order to find a possible correlation with their biological activity. The findings allowed us to propose a model of the binding site of 5AR which comprises also, for 4-azasteroid inhibitors, the configurational aspect of the 17beta-side chain.

Synthesis of N-substituted 3-oxo-17β -carboxamide-4-aza-5α-androstanes and the tautomerism of 3-oxo-4-aza-5-androstenes

Xia, Peng,Yang, Zheng-Yu,Xia, Yi,Zhang, Hao-Bing,Zhang, Ke-Hua,Sun, Xun,Chen, Ying,Zheng, Yun-Qing

, p. 703 - 716 (2007/10/03)

An N-aryl-3-oxo-4-aza-5α -androst-1-ene-17β carboxamide and three N-aryl or alkyl substituted 17α -hydroxy-3-oxo-4-aza-5α -androstane-17β -carboxamides were synthesized as antiandrogen candidates from 3-oxoandrost-4-ene-17β - carboxylic acid and androst-4-ene-3,17-dione respectively. The chemo- and stereoselective reduction of 3-oxo-4-aza-5-ene intermediates with formic acid and their tautomerism in a solution of chloroform and methanol were described.

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