Cas 83685-72-7,4-benzoyloxycholest-4-en-3-one

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Check Digit Verification of cas no

The CAS Registry Mumber 83685-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,8 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83685-72:
(7*8)+(6*3)+(5*6)+(4*8)+(3*5)+(2*7)+(1*2)=167
167 % 10 = 7
So 83685-72-7 is a valid CAS Registry Number.

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83685-72-7Relevant academic research and scientific papers

Stereochemistry of the Reduction of 3β-Benzoyloxycholest-5-en-4-one with Sodium Borohydride

Viger, Antoinette,Marquet, Andree,Barton, Derek H. R.,Motherwell, William B.,Zard, Samir Z.

, p. 1937 - 1940 (2007/10/02)

Reduction of 3β-benzoyloxycholest-5-en-4-one (3) with sodium borohydride under various conditions affords only minor amounts of 3β-benzoyloxycholest-5-en-4β-ol (2a).The major product is the 4α-isomer (6).Using sodium borodeuteride it has been shown that t

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