674785-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 674785-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,4,7,8 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 674785-34:
(8*6)+(7*7)+(6*4)+(5*7)+(4*8)+(3*5)+(2*3)+(1*4)=213
213 % 10 = 3
So 674785-34-3 is a valid CAS Registry Number.