674817-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 674817-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,8,1 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 674817-99:
(8*6)+(7*7)+(6*4)+(5*8)+(4*1)+(3*7)+(2*9)+(1*9)=213
213 % 10 = 3
So 674817-99-3 is a valid CAS Registry Number.