27143-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27143-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,1,4 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 27143-71:
(7*2)+(6*7)+(5*1)+(4*4)+(3*3)+(2*7)+(1*1)=101
101 % 10 = 1
So 27143-71-1 is a valid CAS Registry Number.