662154-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 662154-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,2,1,5 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 662154-88:
(8*6)+(7*6)+(6*2)+(5*1)+(4*5)+(3*4)+(2*8)+(1*8)=163
163 % 10 = 3
So 662154-88-3 is a valid CAS Registry Number.