4499-85-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4499-85-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,9 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4499-85:
(6*4)+(5*4)+(4*9)+(3*9)+(2*8)+(1*5)=128
128 % 10 = 8
So 4499-85-8 is a valid CAS Registry Number.