webinar
Oct. 27-28, 2025, Boston, MA, USA - Booth 114.
Read More

(2-pyridyldithio)-PEG4 acid

  CAS No.: 581065-93-2   Cat No.: BADC-01141   Purity: >98.0% 4.5  

(2-pyridyldithio)-PEG4 acid is a cleavable ADC linker with pyridyldithiol for thiol-reactive conjugation and PEG spacer for solubility. Widely used in targeted antibody-drug conjugate design to improve payload stability and release.

(2-pyridyldithio)-PEG4 acid

Structure of 581065-93-2

Quality
Assurance

Worldwide
Delivery

24/7 Customer
Support
Category
ADC Linker
Molecular Formula
C16H25NO6S2
Molecular Weight
391.50
Shipping
-20°C (International: -20°C)
Shipping
Store at -20 °C, keep in dry and avoid sunlight.

* For research and manufacturing use only. We do not sell to patients.

Size Price Stock Quantity
-- $-- In stock

Looking for different specifications? Click to request a custom quote!

Capabilities & Facilities

Popular Publications Citing BOC Sciences Products
Synonyms
15-(2-pyridyldithio)-4,7,10,13-tetraoxapentadecanoic acid; 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
IUPAC Name
Canonical SMILES
C1=CC=NC(=C1)SSCCOCCOCCOCCOCCC(=O)O
InChI
InChI=1S/C16H25NO6S2/c18-16(19)4-6-20-7-8-21-9-10-22-11-12-23-13-14-24-25-15-3-1-2-5-17-15/h1-3,5H,4,6-14H2,(H,18,19)
InChIKey
YOJQJVOLXIGESQ-UHFFFAOYSA-N
Solubility
10 mm in DMSO
Appearance
Solid
Shelf Life
0-4°C for short term (days to weeks), or -20°C for long term (months).
Shipping
-20°C (International: -20°C)
Storage
Store at -20 °C, keep in dry and avoid sunlight.
Form
Solid

(2-pyridyldithio)-PEG4 acid, a versatile linker molecule with widespread utility in biochemical and biotechnological fields, serves as a cornerstone of innovation in various applications. Here are four key applications eloquently presented with a high degree of perplexity and burstiness:

Bioconjugation: The strategic utilization of (2-pyridyldithio)-PEG4 acid in bioconjugation endeavors enables the seamless coupling of biomolecules, such as proteins, antibodies, and peptides, to a diverse array of surfaces or other biomolecules. Acting as a sophisticated spacer, it deftly mitigates steric hindrances while fortifying the stability and functionality of the resultant conjugates. This pivotal role is instrumental in propelling the evolution of state-of-the-art biosensors, diagnostic tools, and therapeutic agents, reshaping the very fabric of biotechnological advancements.

Drug Delivery Systems: By integrating (2-pyridyldithio)-PEG4 acid into the realm of drug delivery systems, a realm of revolutionary precision unfolds before us. This strategic integration enables the precise attachment of therapeutic agents to carrier molecules like nanoparticles or liposomes, ushering in an era of enhanced targeting and controlled release of drugs to specific tissues or cells. This amplification of treatment efficacy, while concurrently minimizing side effects, exemplifies the transformational potential of such systems, catapulting personalized medicine and targeted cancer therapies to unprecedented levels of precision and efficacy.

Protein PEGylation: Nestled within the intricate domain of protein PEGylation, (2-pyridyldithio)-PEG4 acid assumes a pivotal role in the covalent attachment of polyethylene glycol (PEG) chains to proteins. Through the enhancement of solubility, stability, and circulating half-life of therapeutic proteins, PEGylation profoundly augments their pharmacokinetic properties, heralding a new era in the production of biopharmaceuticals like interferons and growth hormones. This streamlined approach to the development of cutting-edge protein-based therapies underscores the transformative power of (2-pyridyldithio)-PEG4 acid in reshaping the therapeutic landscape.

Surface Modification: The adaptability of (2-pyridyldithio)-PEG4 acid finds vibrant expression in surface modification applications, where it serves as a linchpin for altering the surfaces of diverse materials such as gold nanoparticles, glass, and polymers. This transformative modification enhances biocompatibility and diminishes non-specific binding, assuming a pivotal role in the design of biocompatible medical devices, tissue engineering scaffolds, and biosensor platforms. By facilitating the creation of inert surfaces, this application undergirds the development of reliable and effective biomedical technologies, propelling relentless innovation in this dynamic field.

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Related Products

Contact our experts today for pricing and comprehensive details on our ADC offerings.

You May Also Be Interested In

From cytotoxin synthesis to linker design, discover our specialized services that complement your ADC projects.

ADC Linker Development Enzyme Cleavable Linker Cathepsin B Cleavable Linker/Peptide Linker Phosphatase Cleavable Linker β-Glucuronide Linker β-Galactosidase Cleavable Linker Sulfatase Cleavable Linker Chemically Cleavable Linker Non-Cleavable Linker Services Acid Cleavable Linker/Hydrazone Linker

Unlock Deeper ADC Insights

Learn more about payload design, linker strategies, and integrated CDMO support through our curated ADC content.

Linkers - A Crucial Factor in Antibody–Drug Conjugates In-Depth Review of ADC Linkers: Types, Mechanisms, and Research Progress New Structural Insights Solve Instability Issues of Maleimide Linkers in ADCs PEG Linkers in Antibody-Drug Conjugates Peptide Linkers in Antibody-Drug Conjugates Disulfide Linkers in Antibody-Drug Conjugates Biotinylation Reagents in Antibody-Drug Conjugates Maleimide Linkers in Antibody-Drug Conjugates Current ADC Linker Chemistry SPDB Linkers in Antibody-Drug Conjugates

Explore More ADC Products

Find exactly what your project needs from our expanded range of ADCs, offering flexible options to fit your timelines and goals.

ADC Cytotoxin

Powerful Targeted Cancer Solutions

ADC  Cytotoxin with Linker

Enhanced Stability And Efficacy

ADC Linker

Precise Conjugation For Success

Antibody-Drug  Conjugates (ADCs)

Maximized Therapeutic Performance

Auristatins

Next-Level Tubulin Inhibition

Calicheamicins

High-Impact DNA Targeting

Camptothecins

Advanced Topoisomerase Inhibition

Daunorubicins / Doxorubicins

Trusted Anthracycline Payloads

Duocarmycins

Potent DNA Alkylation Agents

Maytansinoids

Superior Microtubule Disruption

Pyrrolobenzodiazepines

Ultra-Potent DNA Crosslinkers

Traditional Cytotoxic Agents

Proven Chemotherapy Solutions

Cleavable Linker

Precise Intracellular Drug Release

Non-Cleavable Linker

Exceptional Long-Term Stability

Historical Records: Poly(oxy-1,2-ethanediyl), α-(2-carboxyethyl)-ω-hydroxy- | Fmoc-L-Lys(N3-Aca-DIM)-OH | 2,2-Dimethyl-4-oxo-3,8,11,14-tetraoxa-5-azahexadecan-16-yl 4-methylbenzenesulfonate | exo-3-Amino-9-Boc-9-azabicyclo[3.3.1]nonane | (S)-2-(2-((6-Amino-1-((4-(hydroxymethyl)phenyl)amino)-1-oxohexan-2-yl)amino)-2-oxoethoxy)acetic acid | 3-Maleimidopropionic acid | Tirzepatide side chain | Boc-amino-PEG3-SSPy | CL2A | (E)-2,5-Dioxopyrrolidin-1-Yl 17-Bromo-4,7,10,13-Tetraoxaheptadec-15-En-1-Oate | (2-pyridyldithio)-PEG4 acid
Send Inquiry
Verification code
Inquiry Basket