42271-75-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42271-75-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,7 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42271-75:
(7*4)+(6*2)+(5*2)+(4*7)+(3*1)+(2*7)+(1*5)=100
100 % 10 = 0
So 42271-75-0 is a valid CAS Registry Number.