DBCO-CONH-S-S-NHS ester - ≥97%, used for Antibody-Drug Conjugates (ADCs): Functions as a cleavable linker for attaching drugs to antibodies. Bioconjugation: Enables efficient molecular assembly through amine and click chemistry reactions. Protein Labeling

CAS: 1435934-53-4 Cat. No.: D648358 Formula: C₂₈H₂₇N₃O₆S₂ Molecular Weight: 565.66 PubChem CID: 98233194

GRADE & PURITY ≥97%

Storage

Protected from light,Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

Overview

DBCO-CONH-S-S-COONHS Ester or DBCO-CONH-S-S-NHS ester is a cleavable heterobifunctional linker commonly used in bioconjugation and click chemistry. It features a DBCO group for strain-promoted azide-alkyne cycloaddition (SPAAC) and an NHS ester for coupling to primary amines. Its disulfide bond enables controlled cleavage under reductive conditions, thereby supporting applications in targeted drug delivery and molecular assembly.

Specifications

Specifications & Purity

≥97%

Biochemical and Physiological Mechanisms

DBCO-CONH-S-S-NHS ester is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Application

Antibody-Drug Conjugates (ADCs): Functions as a cleavable linker for attaching drugs to antibodies. Bioconjugation: Enables efficient molecular assembly through amine and click chemistry reactions. Protein Labeling: Facilitates protein labeling with vario

Storage

Protected from light,Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥97%

Names and Identifiers

Canonical Smiles

C1CC(=O)N(C1=O)OC(=O)CCSSCCNC(=O)CCC(=O)N2CC3=CC=CC=C3C#CC4=CC=CC=C42

IUPAC Name

(2,5-dioxopyrrolidin-1-yl) 3-[2-[[4-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-4-oxobutanoyl]amino]ethyldisulfanyl]propanoate

InChIKey

RPNGUSKTYYIUDE-UHFFFAOYSA-N

INCHI

1S/C28H27N3O6S2/c32-24(29-16-18-39-38-17-15-28(36)37-31-26(34)13-14-27(31)35)11-12-25(33)30-19-22-7-2-1-5-20(22)9-10-21-6-3-4-8-23(21)30/h1-8H,11-19H2,(H,29,32)

Isomeric SMILES

C1CC(=O)N(C1=O)OC(=O)CCSSCCNC(=O)CCC(=O)N2CC3=CC=CC=C3C#CC4=CC=CC=C42

PubChem CID

98233194

Molecular Weight

565.66

Chemical and Physical Properties

• Solubility: DMSO : 100 mg/mL (176.78 mM; Need ultrasonic)
• Molecular Weight: 565.700 g/mol
• XLogP3: 1.700
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 12
• Exact Mass: 565.134 Da
• Monoisotopic Mass: 565.134 Da
• Topological Polar Surface Area: 164.000 Ų
• Heavy Atom Count: 39
• Formal Charge: 0
• Complexity: 992.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1