51423-20-2 Usage
Uses
rac-cis-Centchroman is an oral contraceptive; A selective ligand for the antiestrogen-binding site.Also, it is derived from Centchroman (C256600), is an estrogen antagonist. Centchroman is a synthetic nonsteroidal postcoital antifertility agent.
Check Digit Verification of cas no
The CAS Registry Mumber 51423-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,2 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 51423-20:
(7*5)+(6*1)+(5*4)+(4*2)+(3*3)+(2*2)+(1*0)=82
82 % 10 = 2
So 51423-20-2 is a valid CAS Registry Number.
InChI:InChI=1/C30H35NO3/c1-30(2)29(23-9-5-4-6-10-23)28(26-16-15-25(32-3)21-27(26)34-30)22-11-13-24(14-12-22)33-20-19-31-17-7-8-18-31/h4-6,9-16,21,28-29H,7-8,17-20H2,1-3H3