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4'-Iodo-biphenyl-3-carboxylic acid (3R,5S,8R,9S,10S,13S,14S,17S)-17-chloro-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77546-99-7

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77546-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77546-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,4 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77546-99:
(7*7)+(6*7)+(5*5)+(4*4)+(3*6)+(2*9)+(1*9)=177
177 % 10 = 7
So 77546-99-7 is a valid CAS Registry Number.

77546-99-7Relevant academic research and scientific papers

DOUBLE FUNCTIONALIZATION OF CHOLESTANOL DIRECTED BY SELECTIVE BIFUNCTIONAL TEMPLATES

Batra, Radhika,Breslow, Ronald

, p. 535 - 538 (1989)

3-α-Cholestanyl esters of bipyridine acids and of iodophenylpyridine acids can direct radical chlorination to both C-9 and C-17 of the steroid, with high efficiency.The reaction is quite sensitive to reaction conditions and precise geometry.

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