1312671-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312671-66-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,6,7 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1312671-66:
(9*1)+(8*3)+(7*1)+(6*2)+(5*6)+(4*7)+(3*1)+(2*6)+(1*6)=131
131 % 10 = 1
So 1312671-66-1 is a valid CAS Registry Number.