76842-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76842-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,4 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76842-71:
(7*7)+(6*6)+(5*8)+(4*4)+(3*2)+(2*7)+(1*1)=162
162 % 10 = 2
So 76842-71-2 is a valid CAS Registry Number.