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Propargyl-PEG2-acid

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Category	Small-molecule Heterobifunctional PEG
Catalog NO.	BPG-1718
Product Name	Propargyl-PEG2-acid
CAS	1859379-85-3
Molecular Formula	C8H12O4
Molecular Weight	172.18

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Description	Propargyl-PEG2-acid is a non-cleavable 2 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).
Synonyms	Propyne-PEG1-CH2CH2COOH; 3-(2-(Prop-2-yn-1-yloxy)ethoxy)propanoic acid; 3-[2-(2-Propyn-1-yloxy)ethoxy]propanoic acid; Propargyl-PEG1-COOH; Propanoic acid, 3-[2-(2-propyn-1-yloxy)ethoxy]-
IUPAC Name	3-(2-prop-2-ynoxyethoxy)propanoic acid
Canonical SMILES	C#CCOCCOCCC(=O)O
InChI	InChI=1S/C8H12O4/c1-2-4-11-6-7-12-5-3-8(9)10/h1H,3-7H2,(H,9,10)
InChIKey	NNWHATPXNWOQKD-UHFFFAOYSA-N
Boiling Point	306.6±27.0°C at 760 mmHg
Purity	≥98.0%
Density	1.1±0.1 g/cm3
Solubility	Soluble in DMSO
Appearance	Pale Yellow Oily Matter
Shelf Life	0-4°C for short term (days to weeks), or -20°C for long term (months).
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
Pictogram(s)	Corrosive, Irritant
Signal	Danger
Precautionary Statement Codes	P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Propargyl-PEG2-acid, a versatile compound widely utilized in bioconjugation and chemical biology, finds diverse applications in scientific research. Here are four key applications presented with high perplexity and burstiness:

Protein Labeling: A cornerstone in protein research, Propargyl-PEG2-acid plays a pivotal role in protein labeling through the intricate chemistry of click reactions. This compound engages in reactions with azide-functionalized molecules, forming robust triazole linkages that facilitate the attachment of various probes or tags to proteins. This method proves invaluable for exploring protein function and interactions both in controlled laboratory environments and dynamic living systems.

Drug Delivery: In the realm of pharmaceutical innovation, Propargyl-PEG2-acid emerges as a key player in the realm of drug delivery systems. By manipulating drug molecules or carrier systems through the addition of PEG chains, the compound enhances solubility, stability, and bioavailability of therapeutic agents. This modification aids in achieving targeted and controlled release of drugs, ultimately enhancing therapeutic efficacy and patient outcomes through a sophisticated interplay of chemistry and biology.

Surface Modification: Delving into the intricacies of surface chemistry, Propargyl-PEG2-acid finds its niche in functionalizing surfaces within biomedical devices and biosensors. By coating surfaces with PEG, the compound mitigates nonspecific protein adsorption and elevates biocompatibility, a critical aspect in the development of cutting-edge medical implants, diagnostic tools, and research instruments that engage seamlessly with biological systems. This sophisticated surface modification technique underscores the intersection of materials science and biological engineering, with far-reaching implications in advancing healthcare technologies.

Bioconjugation Chemistry: Anchored in the realm of bioconjugation, Propargyl-PEG2-acid stands as a foundational building block for crafting intricate biomolecular assemblies. This compound serves as a versatile linker, connecting with other reactive groups such as amines or thiols to enable the construction of complex bioconjugates. The flexibility of Propargyl-PEG2-acid as a key reagent in the design of multifunctional biomaterials and nanomedicines underscores its significance in shaping the landscape of modern biochemistry and nanotechnology.

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