120303-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120303-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,3,0 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 120303-35:
(8*1)+(7*2)+(6*0)+(5*3)+(4*0)+(3*3)+(2*3)+(1*5)=57
57 % 10 = 7
So 120303-35-7 is a valid CAS Registry Number.
120303-35-7Relevant articles and documents
ENANTIOSELECTIVE PREPARATION OF KEY INTERMEDIATES FOR STEROID SYNTHESIS THROUGH THE ASYMMETRIC MICHAEL ADDITION PROCESS INVOLVING CHIRAL IMINES.
d'Angelo, Jean,Revial, Gilbert,Volpe, Tony,Pfau, Michel
, p. 4427 - 4430 (2007/10/02)
(S)-Phenanthrone 7, prepared from ketone 4 (80 percent yield, 93 percent ee), was transformed into compounds 8, 9, 13, 15 and 16, useful intermediates in steroid synthesis.
