123774-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123774-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,7 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 123774-66:
(8*1)+(7*2)+(6*3)+(5*7)+(4*7)+(3*4)+(2*6)+(1*6)=133
133 % 10 = 3
So 123774-66-3 is a valid CAS Registry Number.