62166-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62166-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,1,6 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 62166-98:
(7*6)+(6*2)+(5*1)+(4*6)+(3*6)+(2*9)+(1*8)=127
127 % 10 = 7
So 62166-98-7 is a valid CAS Registry Number.