86307-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86307-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,3,0 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 86307-43:
(7*8)+(6*6)+(5*3)+(4*0)+(3*7)+(2*4)+(1*3)=139
139 % 10 = 9
So 86307-43-9 is a valid CAS Registry Number.
86307-43-9Relevant articles and documents
AN EFFICIENT SYNTHESIS OF 1α,25-DIHYDROXY VITAMIN D3
Vanmaele, L.,Clerq, P. J. de,Vandewalle, M.
, p. 141 - 144 (2007/10/02)
An efficient synthesis of the title compound is reported based on C-1 functionalization of the triazoline Diels-Alder adduct of 25-OH previtamin D3 (2c).