82168-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82168-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,6 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82168-72:
(7*8)+(6*2)+(5*1)+(4*6)+(3*8)+(2*7)+(1*2)=137
137 % 10 = 7
So 82168-72-7 is a valid CAS Registry Number.