| Category | Heterobifunctional PEG |
| Molecular Weight | Customizable |
| Storage | -20°C for long-term preservation, keep in dry and avoid sunlight. Avoid repeated freezing and thawing. |
HS-PEG-AA, MW 2k-7.5k
Cat No.: BPG-2821
4.5 
Thiol-PEG-acetic acid is a heterobifunctional PEG derivative containing a thiol group and a carboxylic acid.
Structure of HS-PEG-AA, MW 2k-7.5k
Ordering Information
*For research and manufacturing use only. We do not sell to patients.
Fast-Track Access to Precise Molecular Weight Products
Professional Solutions for Molecular Research
| Catalog | Molecular Weight | Availability | actions |
|---|---|---|---|
| BPG-2821-1 | HS-PEG-AA, MW 2k | ||
| BPG-2821-2 | HS-PEG-AA, MW 3.5k | ||
| BPG-2821-3 | HS-PEG-AA, MW 5k | ||
| BPG-2821-4 | HS-PEG-AA, MW 7.5k |
cGMP Capacity
- cGMP-compliant manufacturing options
- Comprehensive QC testing with COA, MSD
- From mg and g to kg-scale production
- In-stock supply in the US and Europe
- Global supply & fast worldwide delivery
- One-stop PEGylation services
- Custom PEG reagents synthesis
- Click chemistry reagents
- Bioconjugation & drug delivery
- Trusted by 100+ research institutions
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- Key Product Attributes
- Reaction & Conjugation Properties
| PEGType | Polymeric Functional PEG |
| PEGArchitecture | Linear |
| Functionality | Monofunctional (Reactive) |
| ReactiveToward | Maleimides; Haloacetamides; Activated Alkenes; Activated Disulfides; Primary Amines (after activation) |
| ReactionChemistry | Thiol-Michael Addition; Thiol Alkylation; Disulfide Exchange; Carbodiimide-Mediated Amide Coupling (EDC/NHS) |
| BiomoleculeCompatibility | Maleimide-/Haloacetamide-Modified Proteins / Peptides; Maleimide-/Haloacetamide-Modified Antibodies; Maleimide-/Haloacetamide-Modified Oligonucleotides; Proteins / Antibodies; Peptides; Amine-Modified Oligonucleotides |
| ResearchUse | Thiol–Michael Conjugation; Cysteine / Thiol Alkylation; Reversible Thiol–Disulfide Exchange |
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HS-PEG-AA, MW 2k-7.5k
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