150187-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 150187-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,0,1,8 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 150187-23:
(8*1)+(7*5)+(6*0)+(5*1)+(4*8)+(3*7)+(2*2)+(1*3)=108
108 % 10 = 8
So 150187-23-8 is a valid CAS Registry Number.
150187-23-8Relevant articles and documents
SYNTHESIS OF RIA HAPTENS: 3α,11α-DIHYDROXY-5α-PREGNAN-20-ONE 11-HEMISUCCINATE
Kasal, Alexander,Pasztorova, Svetlana
, p. 619 - 628 (2007/10/02)
5α-Pregnane-3α,11α-diol-20-one (XVII) was prepared by hydroxylation of 5α-pregnan-3α-ol-20-one (XVI) by Rhizopus nigricans and by chemical conversion of 11α-hydroxyprogesterone (I).The diol XVII was partially acylated with 2-(trimethylsilyl)ethyl hydrogen
