1807539-03-2 Usage
Description
PEG4-bis(phosphonic acid diethyl ester) is a hydrophilic PEG linker. The hydrophilic properties of the PEG increase the water solubility of compounds in aqueous media.
Check Digit Verification of cas no
The CAS Registry Mumber 1807539-03-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,5,3 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1807539-03:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*3)+(3*9)+(2*0)+(1*3)=182
182 % 10 = 2
So 1807539-03-2 is a valid CAS Registry Number.