16529-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16529-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16529-77:
(7*1)+(6*6)+(5*5)+(4*2)+(3*9)+(2*7)+(1*7)=124
124 % 10 = 4
So 16529-77-4 is a valid CAS Registry Number.