2392-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2392-66-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,9 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2392-66:
(6*2)+(5*3)+(4*9)+(3*2)+(2*6)+(1*6)=87
87 % 10 = 7
So 2392-66-7 is a valid CAS Registry Number.