1231761-02-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1231761-02-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,1,7,6 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1231761-02:
(9*1)+(8*2)+(7*3)+(6*1)+(5*7)+(4*6)+(3*1)+(2*0)+(1*2)=116
116 % 10 = 6
So 1231761-02-6 is a valid CAS Registry Number.