24684-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24684-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,6,8 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 24684-80:
(7*2)+(6*4)+(5*6)+(4*8)+(3*4)+(2*8)+(1*0)=128
128 % 10 = 8
So 24684-80-8 is a valid CAS Registry Number.
24684-80-8Relevant articles and documents
Process for acylating a 7-aminocephalosporin
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, (2008/06/13)
A 7-aminocephalosporin is acylated to a 7-acylamidocephalosporin by reaction with the pentachlorophenyl ester of sydnone-3-acetic acid or 1-tetrazoleacetic acid.