87873-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87873-08-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,7 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87873-08:
(7*8)+(6*7)+(5*8)+(4*7)+(3*3)+(2*0)+(1*8)=183
183 % 10 = 3
So 87873-08-3 is a valid CAS Registry Number.
87873-08-3Relevant 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.
