97899-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97899-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,9 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97899-23:
(7*9)+(6*7)+(5*8)+(4*9)+(3*9)+(2*2)+(1*3)=215
215 % 10 = 5
So 97899-23-5 is a valid CAS Registry Number.
97899-23-5Relevant articles and documents
2-azacycloalkylthiopenem derivatives
-
, (2008/06/13)
Certain 2-azacycloalkylthio-2-penem-3-carboxylic acid compounds are useful as antibacterials for treating mammals and have the formula STR1 or a pharmaceutically acceptable salt thereof, wherein: R is STR2 A is alkylene having 2-4 carbon atoms, alkylene h