1159991-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1159991-78-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,9,9,9 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1159991-78:
(9*1)+(8*1)+(7*5)+(6*9)+(5*9)+(4*9)+(3*1)+(2*7)+(1*8)=212
212 % 10 = 2
So 1159991-78-2 is a valid CAS Registry Number.