912639-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 912639-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,6,3 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 912639-81:
(8*9)+(7*1)+(6*2)+(5*6)+(4*3)+(3*9)+(2*8)+(1*1)=177
177 % 10 = 7
So 912639-81-7 is a valid CAS Registry Number.
912639-81-7Relevant articles and documents
2-Thioethenyl substituted carbapenem derivatives
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Page/Page column 19, (2010/11/25)
[Objective] An objective of the present invention is to provide compounds that are effective against various resistant bacteria which cause current clinical problems, for example, pneumococci including penicillin resistant Streptococcus pneumoneae (PRSP),