217087-88-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217087-88-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,0,8 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 217087-88:
(8*2)+(7*1)+(6*7)+(5*0)+(4*8)+(3*7)+(2*8)+(1*8)=142
142 % 10 = 2
So 217087-88-2 is a valid CAS Registry Number.