1334417-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1334417-91-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,4,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1334417-91:
(9*1)+(8*3)+(7*3)+(6*4)+(5*4)+(4*1)+(3*7)+(2*9)+(1*1)=142
142 % 10 = 2
So 1334417-91-2 is a valid CAS Registry Number.