671794-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 671794-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,1,7,9 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 671794-15:
(8*6)+(7*7)+(6*1)+(5*7)+(4*9)+(3*4)+(2*1)+(1*5)=193
193 % 10 = 3
So 671794-15-3 is a valid CAS Registry Number.