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4-[(3S,5R,8R,9S,10S,13S,14S,15R)-15-Hydroxy-10,13-dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,5,6,7,8,9,10,11,12,13,14,15-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-3-phenylsulfanyl-dihydro-furan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89031-76-5

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89031-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89031-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,3 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89031-76:
(7*8)+(6*9)+(5*0)+(4*3)+(3*1)+(2*7)+(1*6)=145
145 % 10 = 5
So 89031-76-5 is a valid CAS Registry Number.

89031-76-5Relevant academic research and scientific papers

Synthesis of Digitoxigenin from 3β-Acetoxyandrost-5-en-17-one involving Palladium Induced Rearrangement of an Allylic Epoxide

Wicha, Jerzy,Kabat, Marek M.

, p. 985 - 987 (2007/10/02)

A synthesis of digitoxigenin (1) from 3β-acetoxyandrost-5-en-17-one (2) has been developed in which the key step involved a rearrangement of the allylic epoxide (8) to the butanolide (9) induced by tetrakis(triphenylphosphine)palladium(0).

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