77995-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77995-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,9 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77995-16:
(7*7)+(6*7)+(5*9)+(4*9)+(3*5)+(2*1)+(1*6)=195
195 % 10 = 5
So 77995-16-5 is a valid CAS Registry Number.