125091-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 125091-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,0,9 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 125091-77:
(8*1)+(7*2)+(6*5)+(5*0)+(4*9)+(3*1)+(2*7)+(1*7)=112
112 % 10 = 2
So 125091-77-2 is a valid CAS Registry Number.
125091-77-2Relevant articles and documents
A Convenient Synthesis of (24S)-1-α-Hydroxyvitamin D2
Perlman, Kato L.,Schnoes, Heinrich K.,DeLuca, Hector F.
, p. 1113 - 1115 (1989)
A new method was developed for the synthesis of (2R)- and (2S)-2,3-dimethylbutyl p-tolyl sulphone from a chiral sulphinate ester, and applied to the synthesis of (24S)-1α-hydroxyvitamin D2; this new 24-epimer of vitamin D2 has a distinct biological activi