136197-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136197-73-4 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, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136197-73:
(8*1)+(7*3)+(6*6)+(5*1)+(4*9)+(3*7)+(2*7)+(1*3)=144
144 % 10 = 4
So 136197-73-4 is a valid CAS Registry Number.