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6α,9-Difluoro-11β-hydroxy-16α-methyl-3-oxo-17α-benzoyl-oxyandrosta-1,4-diene-17β-carbothioic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

398455-37-3

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398455-37-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 398455-37-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,8,4,5 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 398455-37:
(8*3)+(7*9)+(6*8)+(5*4)+(4*5)+(3*5)+(2*3)+(1*7)=203
203 % 10 = 3
So 398455-37-3 is a valid CAS Registry Number.

398455-37-3Downstream Products

398455-37-3Relevant academic research and scientific papers

PROCESS FOR SYNTHESIS OF ANDROSTANE 17-BETA CARBOTHIOIC ACID AND RELATIVE COMPOUNDS THEREOF

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Page/Page column 2, (2009/12/02)

A process for synthesis of androstane 17-β carbothioic acid is provided. The process includes mixing an androstane 17-β carboxylic acid and a coupling reagent, and adding an alkanethioic acid to form an androstane 17-β carbothioic acid, wherein the androstane 17-β carbothioic acid has the formula (I): wherein R1 represents hydrogen or haloalkyl groups, R2 represents C1-8 linear alkyl groups, C1-8 branched alkyl groups, C1-6 unsaturated acyclic groups or aromatic groups, R3 represents hydrogen or hydroxyl, R4 represents hydrogen, bromine, chlorine or fluorine and R5 represents hydrogen, bromine, chlorine or fluorine. The process is a one-pot reaction.

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