116604-42-3 Usage
Description
PEG2-bis(phosphonic acid) is a PEG linker containing two phosphonic acid end groups. The hydrophilic PEG chain increases the water solubility of compounds in aqueous media.
Check Digit Verification of cas no
The CAS Registry Mumber 116604-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,6,0 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 116604-42:
(8*1)+(7*1)+(6*6)+(5*6)+(4*0)+(3*4)+(2*4)+(1*2)=103
103 % 10 = 3
So 116604-42-3 is a valid CAS Registry Number.