57200-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57200-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,0 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57200-40:
(7*5)+(6*7)+(5*2)+(4*0)+(3*0)+(2*4)+(1*0)=95
95 % 10 = 5
So 57200-40-5 is a valid CAS Registry Number.
57200-40-5Relevant academic research and scientific papers
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
