16012-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16012-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,0,1 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16012-77:
(7*1)+(6*6)+(5*0)+(4*1)+(3*2)+(2*7)+(1*7)=74
74 % 10 = 4
So 16012-77-4 is a valid CAS Registry Number.