1872433-73-2 Usage
Description
m-PEG4-phosphonic acid ethyl ester is a PEG linker linker with an attached phosphonic acid group. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media.
Check Digit Verification of cas no
The CAS Registry Mumber 1872433-73-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,7,2,4,3 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1872433-73:
(9*1)+(8*8)+(7*7)+(6*2)+(5*4)+(4*3)+(3*3)+(2*7)+(1*3)=192
192 % 10 = 2
So 1872433-73-2 is a valid CAS Registry Number.