≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Bis-PEG2-NHS ester is a PEG derivative 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.
| Canonical Smiles | C1CC(=O)N(C1=O)OC(=O)CCOCCOCCC(=O)ON2C(=O)CCC2=O |
|---|---|
| IUPAC Name | (2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]propanoate |
| InChIKey | SORMJGWNAXHOFC-UHFFFAOYSA-N |
| INCHI | 1S/C16H20N2O10/c19-11-1-2-12(20)17(11)27-15(23)5-7-25-9-10-26-8-6-16(24)28-18-13(21)3-4-14(18)22/h1-10H2 |
| Isomeric SMILES | C1CC(=O)N(C1=O)OC(=O)CCOCCOCCC(=O)ON2C(=O)CCC2=O |
| PubChem CID | 13055590 |
| Molecular Weight | 400.34 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Dicarboxylic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Dicarboxylic acids and derivatives |
| Alternative Parents | Pyrrolidine-2-ones Dicarboximides Lactams Dialkyl ethers Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic heteromonocyclic compounds |
| Substituents | Dicarboxylic acid or derivatives - Pyrrolidone - 2-pyrrolidone - Dicarboximide - Pyrrolidine - Lactam - Azacycle - Organoheterocyclic compound - Ether - Dialkyl ether - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Aliphatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D2403129 | Certificate of Analysis | Mar 02, 2024 | B595310 |
| D2403130 | Certificate of Analysis | Mar 02, 2024 | B595310 |
| D2403131 | Certificate of Analysis | Mar 02, 2024 | B595310 |
| D2403132 | Certificate of Analysis | Mar 02, 2024 | B595310 |
| D2403133 | Certificate of Analysis | Mar 02, 2024 | B595310 |
| D2403134 | Certificate of Analysis | Mar 02, 2024 | B595310 |
| Molecular Weight | 400.340 g/mol |
|---|---|
| XLogP3 | -2.200 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 13 |
| Exact Mass | 400.112 Da |
| Monoisotopic Mass | 400.112 Da |
| Topological Polar Surface Area | 146.000 Ų |
| Heavy Atom Count | 28 |
| Formal Charge | 0 |
| Complexity | 574.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
