83217-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83217-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,1 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83217-88:
(7*8)+(6*3)+(5*2)+(4*1)+(3*7)+(2*8)+(1*8)=133
133 % 10 = 3
So 83217-88-3 is a valid CAS Registry Number.