136197-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136197-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,1,9 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136197-64:
(8*1)+(7*3)+(6*6)+(5*1)+(4*9)+(3*7)+(2*6)+(1*4)=143
143 % 10 = 3
So 136197-64-3 is a valid CAS Registry Number.