74281-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74281-04-2 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 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74281-04:
(7*7)+(6*4)+(5*2)+(4*8)+(3*1)+(2*0)+(1*4)=122
122 % 10 = 2
So 74281-04-2 is a valid CAS Registry Number.
74281-04-2Relevant academic research and scientific papers
Cephalosporin analogues and processes for the preparation thereof
-
, (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
