1213863-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213863-26-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,8,6 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1213863-26:
(9*1)+(8*2)+(7*1)+(6*3)+(5*8)+(4*6)+(3*3)+(2*2)+(1*6)=133
133 % 10 = 3
So 1213863-26-3 is a valid CAS Registry Number.