426-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 426-52-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 426-52:
(5*4)+(4*2)+(3*6)+(2*5)+(1*2)=58
58 % 10 = 8
So 426-52-8 is a valid CAS Registry Number.