134538-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134538-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,5,3 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134538-49:
(8*1)+(7*3)+(6*4)+(5*5)+(4*3)+(3*8)+(2*4)+(1*9)=131
131 % 10 = 1
So 134538-49-1 is a valid CAS Registry Number.
134538-49-1Relevant articles and documents
ORGANIC COMPOUNDS
-
Page/Page column 65, (2009/03/07)
The present invention concerns a compound of formula (I) or a salt, suitably a pharmaceutically acceptable salt, or solvate thereof, wherein the groups R1, R2, Ar', A and B are defined in the description, to compositions a
