Di-tert-butyl 3,3-((2-(((benzyloxy)carbonyl)amino)-2-((3-(tert-butoxy)-3-oxopropoxy)methyl)propane-1,3-diyl)bis(oxy))dipropionate

IUPAC Name: di-tert-butyl 3,3-((2-(((benzyloxy)carbonyl)amino)-2-((3-(tert-butoxy)-3-oxopropoxy)methyl)propane-1,3-diyl)bis(oxy))dipropionate
Synonyms: 

CAS No: 200133-20-6
Catalog No:

Brand: Daisa Biopharma
Category: Small Molecule
Tag: PEG, PEG Linkers, 
Molecular Formula: C33H53NO11
Molecular Weight: 639.77

Pack Size Available: 25 g, 100 g, 500 g
Place of Origin: India

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cGMP Capacity

kg to MT scale
GMP batches production
Over 20 years of experience

HPAPI production with OEL < 1 μg/m³
Cleanroom Class 100 to Class 100,000
Special type of reactions in cGMP workshop

Cleaning level: Class A B C
cGMP synthesis workshop

Product Description

PEG linkers, also known as PEG reagents, are chemically functionalized polyethylene glycol (PEG) compounds widely used in bioconjugation, drug development, molecular labeling, and biomedical research. These specialized PEG linkers contain reactive functional groups that enable the efficient conjugation of proteins, peptides, antibodies, drugs, and other biomolecules.

PEG linkers are particularly valuable as cross-linkers and bioconjugation reagents due to their excellent water solubility, low toxicity, low immunogenicity, and favorable biocompatibility. By incorporating PEG spacer arms between molecular components, PEG reagents can improve solubility, flexibility, stability, and accessibility in conjugated biomolecules.

Our range of PEG linkers and PEG reagents is suitable for applications including protein modification, antibody-drug conjugates (ADCs), targeted drug delivery, fluorescent labeling, diagnostics, proteomics, and life-science research. Explore PEG linkers with different spacer lengths and reactive groups for your specific bioconjugation and chemical synthesis requirements.

Appearance: Liquid

HPLC purity: ≥98% a/a

Form: Solid
Storage Temperature: Inert atmosphere, store in freezer, under 2-8°C
SMILES: O=C(OCC=1C=CC=CC1)NC(COCCC(=O)OC(C)(C)C)(COCCC(=O)OC(C)(C)C)COCCC(=O)OC(C)(C)C
InChIKey: MJBXXROMAURCNR-UHFFFAOYSA-N

About Us

We are a multidisciplinary research organization specializing in Medicinal Chemistry, Process Chemistry, and Biocatalysis—delivering scalable, efficient, and sustainable solutions for complex scientific challenges.

Our medicinal chemistry division drives early-stage drug discovery through the design and synthesis of novel chemical entities, SAR exploration, and creation of natural-product-inspired molecular libraries.

We develop safe, robust, and scalable synthetic routes for APIs and intermediates. Our expertise covers QbD-driven development, impurity profiling, polymorph optimization, and complete CMC/DMF support.

Our biocatalysis services include enzyme screening, whole-cell bioconversion, and industrial bioprocess scale-up—enabling greener, more cost-effective, and sustainable alternatives to traditional chemical transformations.

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