674793-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 674793-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,7,9 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 674793-72:
(8*6)+(7*7)+(6*4)+(5*7)+(4*9)+(3*3)+(2*7)+(1*2)=217
217 % 10 = 7
So 674793-72-7 is a valid CAS Registry Number.