1316189-13-5 Usage
Description
m-PEG9-NHS ester is a PEG linker containing an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The hydrophilic PEG spacer increases solubility in aqueous media.
Check Digit Verification of cas no
The CAS Registry Mumber 1316189-13-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,6,1,8 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1316189-13:
(9*1)+(8*3)+(7*1)+(6*6)+(5*1)+(4*8)+(3*9)+(2*1)+(1*3)=145
145 % 10 = 5
So 1316189-13-5 is a valid CAS Registry Number.