666832-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 666832-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,8,3 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 666832-74:
(8*6)+(7*6)+(6*6)+(5*8)+(4*3)+(3*2)+(2*7)+(1*4)=202
202 % 10 = 2
So 666832-74-2 is a valid CAS Registry Number.