91874-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91874-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91874-90:
(7*9)+(6*1)+(5*8)+(4*7)+(3*4)+(2*9)+(1*0)=167
167 % 10 = 7
So 91874-90-7 is a valid CAS Registry Number.
91874-90-7Relevant articles and documents
A CONVENIENT SYNTHESIS OF 1α,25-DIHYDROXY-28-NORVITAMIN-D2
Moriarty, Robert M.,Kim, Joonggon,Penmasta, Raju
, p. 3741 - 3744 (2007/10/02)
The title compound was synthesized via the Julia olefination using ring B-diene protected 3β-hydroxy-23,24-bisnorchola-5,7-diene-22-al acetate and the side-chain synthon 2-methyl-4-phenylsulfonyl-2-(tetrahydropyranyloxy)butane.Ring B-deprotection, photoly