3673-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3673-98-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,7 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 3673-98:
(6*3)+(5*6)+(4*7)+(3*3)+(2*9)+(1*8)=111
111 % 10 = 1
So 3673-98-1 is a valid CAS Registry Number.