1197156-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1197156-99-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,1,5 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1197156-99:
(9*1)+(8*1)+(7*9)+(6*7)+(5*1)+(4*5)+(3*6)+(2*9)+(1*9)=192
192 % 10 = 2
So 1197156-99-2 is a valid CAS Registry Number.