1261399-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261399-02-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,3,9 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1261399-02:
(9*1)+(8*2)+(7*6)+(6*1)+(5*3)+(4*9)+(3*9)+(2*0)+(1*2)=153
153 % 10 = 3
So 1261399-02-3 is a valid CAS Registry Number.