121103-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121103-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121103-20:
(8*1)+(7*2)+(6*1)+(5*1)+(4*0)+(3*3)+(2*2)+(1*0)=46
46 % 10 = 6
So 121103-20-6 is a valid CAS Registry Number.
121103-20-6Relevant articles and documents
Cephalosporin compound and pharmaceutical composition thereof
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, (2008/06/13)
Cephalosporin compounds represented by the general formula (I): STR1 wherein R1 and R5 independently represent a hydrogen atom or a protective group for an amino group; R2 represents an alkyl group or a cycloalkyl group; R
