42590-01-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42590-01-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,9 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42590-01:
(7*4)+(6*2)+(5*5)+(4*9)+(3*0)+(2*0)+(1*1)=102
102 % 10 = 2
So 42590-01-2 is a valid CAS Registry Number.