674337-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 674337-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,3,3 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 674337-91:
(8*6)+(7*7)+(6*4)+(5*3)+(4*3)+(3*7)+(2*9)+(1*1)=188
188 % 10 = 8
So 674337-91-8 is a valid CAS Registry Number.