82917-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82917-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,1 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 82917-98:
(7*8)+(6*2)+(5*9)+(4*1)+(3*7)+(2*9)+(1*8)=164
164 % 10 = 4
So 82917-98-4 is a valid CAS Registry Number.