157302-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157302-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157302-57:
(8*1)+(7*5)+(6*7)+(5*3)+(4*0)+(3*2)+(2*5)+(1*7)=123
123 % 10 = 3
So 157302-57-3 is a valid CAS Registry Number.
157302-57-3Relevant academic research and scientific papers
PREPARATION OF 6-AZAANDROST-4-ENE-3,7,17-TRIONE AND SOME RELATED 3-OXYGENATED 6-AZAANDROSTANES
Back, Thomas G.,Baron, Denise L.,Morzycki, Jacek W.
, p. 1053 - 1060 (2007/10/02)
The synthesis of 6-azaandrost-4-ene-3,7,17-trione and of several related 3-oxygenated 6-azaandrostanes was achieved from 3β-hydroxyandrost-5-en-17-one.
