228267-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228267-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,2,6 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 228267-30:
(8*2)+(7*2)+(6*8)+(5*2)+(4*6)+(3*7)+(2*3)+(1*0)=139
139 % 10 = 9
So 228267-30-9 is a valid CAS Registry Number.
228267-30-9Relevant articles and documents
CARBAPENEM DERIVATIVES
-
, (2008/06/13)
Compounds represented by general formula (I); a process for producing the same; and utilization thereof as antimicrobial agents and metallo-bea-lactamase inhibitors, wherein R1 represents hydrogen or lower alkyl; R2 represents hydrogen, an ester residue,