662162-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 662162-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,2,1,6 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 662162-92:
(8*6)+(7*6)+(6*2)+(5*1)+(4*6)+(3*2)+(2*9)+(1*2)=157
157 % 10 = 7
So 662162-92-7 is a valid CAS Registry Number.