74280-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74280-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,8 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74280-96:
(7*7)+(6*4)+(5*2)+(4*8)+(3*0)+(2*9)+(1*6)=139
139 % 10 = 9
So 74280-96-9 is a valid CAS Registry Number.
74280-96-9Relevant academic research and scientific papers
Cephalosporin analogues and processes for the preparation thereof
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, (2008/06/13)
Compounds of the formula STR1 wherein X is --O--or --S--; R1 is amino or a substituted amino group; R2 is carboxy or a protected carboxy group; and the heavy solid line means single or double bond; the compounds are useful in the tre
