Maleimide-PEG2-NHS Ester
- CAS No.
- 955094-26-5
- Chemical Name:
- Maleimide-PEG2-NHS Ester
- Synonyms
- Mal-PEG2-NHS;2,5-dioxopyrrolidin-1-yl 3-(2-(2-(3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamido)ethoxy)ethoxy)propanoate;SM(PEG)2;Mal-amido-PEG2-NHS;MaI-PEG2-NHS;Mal-NH-PEG2-NHS;MAL-PEG2-PA-NHS;Maleimide-PEG2-NHS;Mal-PEG2-NHS?linker;BMPA-PEG2-NHS Ester
- CBNumber:
- CB22501435
- Molecular Formula:
- C18H23N3O9
- Molecular Weight:
- 425.39
- MDL Number:
- MFCD11041137
- MOL File:
- 955094-26-5.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 90.0 to 94.0 °C |
|---|---|
| Density | 1.41±0.1 g/cm3(Predicted) |
| storage temp. | -20°C |
| pka | 15.00±0.46(Predicted) |
| form | powder to crystal |
| color | White to Light yellow |
| InChI | InChI=1S/C18H23N3O9/c22-13(5-8-20-14(23)1-2-15(20)24)19-7-10-29-12-11-28-9-6-18(27)30-21-16(25)3-4-17(21)26/h1-2H,3-12H2,(H,19,22) |
| InChIKey | TZPDZOJURBVWHS-UHFFFAOYSA-N |
| SMILES | C(ON1C(=O)CCC1=O)(=O)CCOCCOCCNC(=O)CCN1C(=O)C=CC1=O |
| UNSPSC Code | 12352200 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P280-P301+P312-P302+P352-P305+P351+P338 |
| WGK Germany | 3 |
| HS Code | 29280000 |
| Storage Class | 11 - Combustible Solids |
Maleimide-PEG2-NHS Ester price More Price(73)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 746223 | Maleimide-PEG2-succinimidyl ester ≥95% | 955094-26-5 | 50mg | $200 | 2026-04-30 | Buy |
| Sigma-Aldrich | 746223 | Maleimide-PEG2-succinimidyl ester ≥95% | 955094-26-5 | 250mg | $485 | 2026-04-30 | Buy |
| TCI Chemical | M3079 | Maleimide-PEG2-NHS Ester >98.0%(GC)(N) | 955094-26-5 | 50mg | $98 | 2026-04-30 | Buy |
| TCI Chemical | M3339 | Maleimide-PEG2-NHS Ester (2mg×5) | 955094-26-5 | 1SET | $153 | 2026-04-30 | Buy |
| TCI Chemical | M3079 | Maleimide-PEG2-NHS Ester >98.0%(GC)(N) | 955094-26-5 | 250mg | $345 | 2026-04-30 | Buy |
Maleimide-PEG2-NHS Ester Chemical Properties,Uses,Production
Description
Mal-amido-PEG2-NHS is a PEG linker containing a maleimide group and an NHS ester. 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. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.
Uses
Maleimide-PEG2-NHS Ester(955094-26-5) is a heterobifunctional crosslinker with short ethylene oxide spacer for linking amine- to sulfhydryl-containing compounds or biomolecules. Maleimide functional group will react with sulfhydryls and the succinimidyl ester group will react with amines. Spacer length is 17.6 angstroms.
reaction suitability
reaction type: Pegylations
reagent type: cross-linking reagent
IC 50
Non-cleavable Linker
Maleimide-PEG2-NHS Ester Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Borenpharm Co., Ltd | 027-65563561 | sales@borenpharm.com | China | 1245 | 55 |
| Shanghai Yanfen Biochemical Technology Co.,LTD | 13611955358 15002190549 | yanfen2023@126.com | China | 2573 | 58 |
| Wanxin Biotechnology (Jiaxing) Co., LTD | 0573-83568680 18057391398 | 3956524501@qq.com | China | 1441 | 58 |
| Henan Mengtai Pharmaceutical Technology Co., Ltd | 17634413542 | 1959525201@qq.com | China | 9011 | 58 |
| Biomatrik Inc. | 0573-82623377 18967387295 | sales@biomatrik.cn | China | 1000 | 58 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| ChemPep, Inc. | +1 (888) 615-9178 / (561) 791-8787 | service@chempep.com | United States | 2138 | 57 |
| Chengdu Pukang Biotechnology Co., Ltd | 18217049878 | cassie.gao@pu-kang.com | China | 479 | 58 |
| T&W GROUP | 021-61551611 13296011611 | contact@trustwe.com | China | 9884 | 58 |
View Lastest Price from Maleimide-PEG2-NHS Ester manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-07-15 | Mal-amido-PEG2-NHS ester
955094-26-5
|
10g | TargetMol Chemicals Inc. | ||||
![]() |
2026-01-29 | Mal-NH-PEG2-CH2CH2COONHS ester
955094-26-5
|
1g | 98% | 500kg | LAURENT | ||
![]() |
2025-06-07 | Mal-amido-PEG2-NHS
955094-26-5
|
5g | >98.00% | 5g | Xian confluore Biological Technology Co., Ltd. |
-

- Mal-amido-PEG2-NHS ester
955094-26-5
- $0.00
- TargetMol Chemicals Inc.
-

- Mal-NH-PEG2-CH2CH2COONHS ester
955094-26-5
- 98%
- LAURENT
-

- Mal-amido-PEG2-NHS
955094-26-5
- $0.00
- >98.00%
- Xian confluore Biological Technology Co., Ltd.
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