4299-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4299-32-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,9 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4299-32:
(6*4)+(5*2)+(4*9)+(3*9)+(2*3)+(1*2)=105
105 % 10 = 5
So 4299-32-5 is a valid CAS Registry Number.