86649-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86649-08-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,4 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 86649-08:
(7*8)+(6*6)+(5*6)+(4*4)+(3*9)+(2*0)+(1*8)=173
173 % 10 = 3
So 86649-08-3 is a valid CAS Registry Number.
86649-08-3Relevant academic research and scientific papers
Seco-dethiacephalosporins
Wei,Borgese,Weigele
, p. 1875 - 1878 (2007/10/02)
Penicillins are converted to 'Seco-dethiacephalosporins' in a sequence consisting of Ra-Ni desulfurization, epoxidation, epoxide rearrangement and introduction of a heteroarylsulfide by nucleophilic substitution.
