71763-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71763-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,6 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71763-17:
(7*7)+(6*1)+(5*7)+(4*6)+(3*3)+(2*1)+(1*7)=132
132 % 10 = 2
So 71763-17-2 is a valid CAS Registry Number.