4529-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4529-77-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4529-77:
(6*4)+(5*5)+(4*2)+(3*9)+(2*7)+(1*7)=105
105 % 10 = 5
So 4529-77-5 is a valid CAS Registry Number.