51883-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51883-25-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,8 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51883-25:
(7*5)+(6*1)+(5*8)+(4*8)+(3*3)+(2*2)+(1*5)=131
131 % 10 = 1
So 51883-25-1 is a valid CAS Registry Number.
51883-25-1Relevant 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
