674805-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 674805-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,8,0 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 674805-42:
(8*6)+(7*7)+(6*4)+(5*8)+(4*0)+(3*5)+(2*4)+(1*2)=186
186 % 10 = 6
So 674805-42-6 is a valid CAS Registry Number.