2522-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2522-39-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,2 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2522-39:
(6*2)+(5*5)+(4*2)+(3*2)+(2*3)+(1*9)=66
66 % 10 = 6
So 2522-39-6 is a valid CAS Registry Number.