93553-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93553-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,5 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 93553-38:
(7*9)+(6*3)+(5*5)+(4*5)+(3*3)+(2*3)+(1*8)=149
149 % 10 = 9
So 93553-38-9 is a valid CAS Registry Number.
93553-38-9Relevant academic research and scientific papers
Direct Incorporation of a 6&α(7&α)-Formamido Group into Penicillin and Cephalosporin Sulphides and Sulphoxides
Branch, Clive L.,Pearson, Michael J.,Smale, Terence C.
, p. 2865 - 2874 (2007/10/02)
6β(7β)--penicillins and -cephalosporins have been converted into the corresponding 6α(7α)-formamido-6β(7β)-(2,2,2-trichloroethoxycarbonylamino) derivatives by treatment with N,N-bis(trimet
