1314378-11-4 Usage
Description
Bis-PEG4-NHS ester is a PEG linker containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Check Digit Verification of cas no
The CAS Registry Mumber 1314378-11-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,4,3,7 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1314378-11:
(9*1)+(8*3)+(7*1)+(6*4)+(5*3)+(4*7)+(3*8)+(2*1)+(1*1)=134
134 % 10 = 4
So 1314378-11-4 is a valid CAS Registry Number.