16007-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16007-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,0,0 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16007-77:
(7*1)+(6*6)+(5*0)+(4*0)+(3*7)+(2*7)+(1*7)=85
85 % 10 = 5
So 16007-77-5 is a valid CAS Registry Number.