42866-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42866-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,6 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42866-75:
(7*4)+(6*2)+(5*8)+(4*6)+(3*6)+(2*7)+(1*5)=141
141 % 10 = 1
So 42866-75-1 is a valid CAS Registry Number.