204775-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204775-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,7,7 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204775-75:
(8*2)+(7*0)+(6*4)+(5*7)+(4*7)+(3*5)+(2*7)+(1*5)=137
137 % 10 = 7
So 204775-75-7 is a valid CAS Registry Number.
204775-75-7Relevant articles and documents
1'S, 5R, 6R-carbapenem derivatives and antimicrobial agents comprising the same
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, (2008/06/13)
A carbapenem derivative represented by the following formula (I), wherein R1 represents a hydrogen atom, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, R2 indicates a hydrogen atom or a protective group fo
