42830-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42830-26-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,3 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42830-26:
(7*4)+(6*2)+(5*8)+(4*3)+(3*0)+(2*2)+(1*6)=102
102 % 10 = 2
So 42830-26-2 is a valid CAS Registry Number.