Description
DBCO-PEG4-Desthiobiotin is a click-chemistry reagent of minimum 95 % purity, identified by CAS number 2032788-37-5 and empirical formula C₃₉H₅₃N₅O₈. With a molar mass of 719,87 g/mol, it pairs a dibenzocyclooctyne (DBCO) moiety for copper-free strain-promoted azide–alkyne cycloaddition with a desthiobiotin affinity tag linked through a PEG4 spacer. Desthiobiotin enables milder elution from streptavidin than biotin, which is advantageous when reversible capture is required. Supplied as a 5 mg plastic unit, the material suits bioconjugation, probe labelling, and affinity enrichment in chemical biology and organic synthesis laboratories. The PEG4 chain enhances solubility and spacing between the reactive DBCO group and the affinity handle. This reagent from manufacturer baseclick supports azide-modified biomolecules, surfaces, and small molecules under mild aqueous or organic conditions typical of SPAAC workflows. Use standard laboratory precautions for reactive organic intermediates and refer to the safety data sheet for handling guidance.
This article is part of Coenzymes, nucleotides & vitamins, in Biochemicals & reagents.
Key features
- Appearance: white to yellow solid
- Purity (HPLC): ≥95 %
- CAS number: 2032788-37-5
- Pack size: 5 mg plastic
- Purity: min. 95 %
- Empirical formula: C₃₉H₅₃N₅O₈
- Molar mass: 719,87 g/mol
- Storage temperature: -20 °C
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about DBCO-PEG4-Desthiobiotin, min. 95 %, 5 mg, plastic
What is this article?
DBCO-PEG4-Desthiobiotin, min. 95 %, 5 mg, plastic is the article on this page. Luminix Health distributes baseclick for laboratory use. It sits in Coenzymes, nucleotides & vitamins, inside Biochemicals & reagents, in Microbiology lab supplies.
Coenzymes, nucleotides and vitamins are the small molecules enzymes and cells consume: NAD, ATP, a vitamin cofactor. Purity, salt form and hydration are the specification, and many are unstable in solution or in the light. The lot is stored as the label says, often cold.
A biochemical is a molecule of life, sold as a reagent: an amino acid, a sugar, a nucleotide, a lipid, an enzyme, an antibiotic. The difference from a bulk chemical is that the use is a biological one, and the impurities that matter are the ones that change that use. An enzyme is specified by activity, not only by mass. An antibiotic is specified by potency. Papers are on PubMed. Structures are on PubChem. Strains and lines that consume these reagents are at ATCC.
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