m-PEG3-NHS ester
- CAS No.
- 876746-59-7
- Chemical Name:
- m-PEG3-NHS ester
- Synonyms
- 2,5-Dioxopyrrolidin-1-yl 3-(2-(2-methoxyethoxy)ethoxy)propanoate;mPEG2-SPA;mPEG2-PA-NHS;m-PEG3-NHS ester;mPEG2-CH2CH2COONHS;mPEG2-CH2CH2COONHS Ester;2,5-Pyrrolidinedione, 1-[3-[2-(2-methoxyethoxy)ethoxy]-1-oxopropoxy]- (9CI);mPEG2-CH2CH2COONHS/2,5-Pyrrolidinedione, 1-[3-[2-(2-methoxyethoxy)ethoxy]-1-oxopropoxy]-
- CBNumber:
- CB53062567
- Molecular Formula:
- C12H19NO7
- Molecular Weight:
- 289.28
- MDL Number:
- MFCD20228789
- MOL File:
- 876746-59-7.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| m-PEG3-NHS ester ≥98% | CS-0110030 | 1g | $227 |
| m-PEG3-NHS ester ≥98% | CS-0110030 | 1g | $227 |
| m-PEG3-NHS ester 98% | BIPG1621 | 100mg | $49 |
| m-PEG3-NHS ester 98% | BIPG1621 | 250mg | $93 |
| m-PEG3-NHS ester 98% | BIPG1621 | 1g | $273 |
| More product size | |||
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P280-P305+P351+P338 |
m-PEG3-NHS ester price More Price(33)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| ChemScene | CS-0110030 | m-PEG3-NHS ester ≥98% | 876746-59-7 | 1g | $227 | 2026-06-04 | Buy |
| ChemScene | CS-0110030 | m-PEG3-NHS ester ≥98% | 876746-59-7 | 1g | $227 | 2026-06-04 | Buy |
| Apolloscientific | BIPG1621 | m-PEG3-NHS ester 98% | 876746-59-7 | 100mg | $49 | 2026-06-04 | Buy |
| Apolloscientific | BIPG1621 | m-PEG3-NHS ester 98% | 876746-59-7 | 250mg | $93 | 2026-06-04 | Buy |
| Apolloscientific | BIPG1621 | m-PEG3-NHS ester 98% | 876746-59-7 | 1g | $273 | 2026-06-04 | Buy |
m-PEG3-NHS ester Chemical Properties,Uses,Production
Description
m-PEG3-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.
Uses
m-PEG3-NHS ester is a PEG-based PROTAC linker can be used in the synthesis of PROTACs.
References
[1] Lepage ML, et al. Design, synthesis and photochemical properties of the first examples of iminosugar clustersbased on fluorescent cores. Beilstein J Org Chem. 2015 May 6;11:659-67. DOI:10.3762/bjoc.11.74
m-PEG3-NHS ester Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| LAURENT | +8618100176782 | sun@laurentpeg.com | China | 365 | 58 |
| 9i LLC | +18039569191 | MWan@NiNeiLab.com | United States | 418 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; +17819995354 | marketing@targetmol.com | United States | 32466 | 58 |
| Nextpeptide Inc | +86-0571-81612335 +8613336028439 | sales@nextpeptide.com | China | 19908 | 58 |
| Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 | info@chemextension.com | China | 42056 | 58 |
| Xian confluore Biological Technology Co., Ltd. | +86-15680926068 | 1924344760@confluore.cn | China | 2997 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 52923 | 58 | |
| Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39927 | 58 |
| Nanjing Moldeep Biochemical Co., Ltd. | +86-25-58282389 +8618913958656 | inquiries@moldeep.com | China | 19983 | 58 |
| Amadis Chemical Company Limited | 571-89925085 | sales@amadischem.com | China | 131957 | 58 |
View Lastest Price from m-PEG3-NHS ester manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-01-29 | mPEG2-CH2CH2COONHS ester
876746-59-7
|
1g | 98% | 500kg | LAURENT | ||
![]() |
2025-06-07 | m-PEG3-NHS ester
876746-59-7
|
5g | >98.00% | 5g | Xian confluore Biological Technology Co., Ltd. |
-

- mPEG2-CH2CH2COONHS ester
876746-59-7
- 98%
- LAURENT
-

- m-PEG3-NHS ester
876746-59-7
- $0.00
- >98.00%
- Xian confluore Biological Technology Co., Ltd.





