331672-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331672-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,6,7 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 331672-74:
(8*3)+(7*3)+(6*1)+(5*6)+(4*7)+(3*2)+(2*7)+(1*4)=133
133 % 10 = 3
So 331672-74-3 is a valid CAS Registry Number.