32440-50-9 Usage
Contact allergens
PVP/hexadecene copolymer, another PVP copolymer
used for identical applications as PVP/eicosene copolymer,
has been rarely implicated in contact dermatitis.
Check Digit Verification of cas no
The CAS Registry Mumber 32440-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,4,4 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 32440-50:
(7*3)+(6*2)+(5*4)+(4*4)+(3*0)+(2*5)+(1*0)=79
79 % 10 = 9
So 32440-50-9 is a valid CAS Registry Number.