42859-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42859-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,5 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42859-64:
(7*4)+(6*2)+(5*8)+(4*5)+(3*9)+(2*6)+(1*4)=143
143 % 10 = 3
So 42859-64-3 is a valid CAS Registry Number.