1219171-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219171-26-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,1,7 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1219171-26:
(9*1)+(8*2)+(7*1)+(6*9)+(5*1)+(4*7)+(3*1)+(2*2)+(1*6)=132
132 % 10 = 2
So 1219171-26-2 is a valid CAS Registry Number.