1964503-38-5 Usage
Description
Azido-PEG3-phosphonic acid is a PEG linker containing an azide group and a phosphonic acid. The azide group enables Click Chemistry andthe phosphonic acid can be a potential ligand choice. The hydrophilic PEG spacer increases solubility in aqueous media.
Check Digit Verification of cas no
The CAS Registry Mumber 1964503-38-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,6,4,5,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1964503-38:
(9*1)+(8*9)+(7*6)+(6*4)+(5*5)+(4*0)+(3*3)+(2*3)+(1*8)=195
195 % 10 = 5
So 1964503-38-5 is a valid CAS Registry Number.