15674-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15674-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,7 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15674-66:
(7*1)+(6*5)+(5*6)+(4*7)+(3*4)+(2*6)+(1*6)=125
125 % 10 = 5
So 15674-66-5 is a valid CAS Registry Number.