16277-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16277-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,7 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16277-77:
(7*1)+(6*6)+(5*2)+(4*7)+(3*7)+(2*7)+(1*7)=123
123 % 10 = 3
So 16277-77-3 is a valid CAS Registry Number.