666262-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 666262-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,2,6 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 666262-73:
(8*6)+(7*6)+(6*6)+(5*2)+(4*6)+(3*2)+(2*7)+(1*3)=183
183 % 10 = 3
So 666262-73-3 is a valid CAS Registry Number.