51414-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51414-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,1 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51414-57:
(7*5)+(6*1)+(5*4)+(4*1)+(3*4)+(2*5)+(1*7)=94
94 % 10 = 4
So 51414-57-4 is a valid CAS Registry Number.
51414-57-4Relevant academic research and scientific papers
PROCESS FOR THE PREPARATION OF ABIRATERONE AND INTERMEDIATES THEREOF
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Paragraph 0120; 0121, (2015/02/05)
The present invention provides intermediates for preparing abiraterone, and processes for preparing abiraterone and intermediates thereof. The intermediates include a compound of formula (IV): wherein R represents a hydroxy-protecting group.
