102171-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102171-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,1,7 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102171-72:
(8*1)+(7*0)+(6*2)+(5*1)+(4*7)+(3*1)+(2*7)+(1*2)=72
72 % 10 = 2
So 102171-72-2 is a valid CAS Registry Number.