52128-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52128-52-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,2 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 52128-52:
(7*5)+(6*2)+(5*1)+(4*2)+(3*8)+(2*5)+(1*2)=96
96 % 10 = 6
So 52128-52-6 is a valid CAS Registry Number.
52128-52-6Relevant articles and documents
Process for cephem synthesis
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, (2008/06/13)
Cephalosporin antibiotics of the formula: STR1 are produced by cycloaddition of a glycine derivative of the formula STR2 with a thiazine derivative of the formula STR3