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Cat. No.: HY-149926

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Cathepsin Inhibitor 3

Cathepsin Inhibitor 3 (Compound 53k) is a non-radioactive intermediate in compound [¹⁸F] 2k radioactive synthesis, which has selectivity for cathepsin S. Cathepsin Inhibitor 3 can undergo radioactive fluorination and can be used for fluorine-18 labeling research. Cathepsin Inhibitor 3 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

For research use only. We do not sell to patients.

CAS No.: 3026372-49-3
Formula: C₃₁H₂₈FIN₂O₅
Molecular Weight:654.47

Storage:

Please store the product under the recommended conditions in the Certificate of Analysis.

Data Sheet (264 KB)

Cathepsin Inhibitor 3 Chemical Structure

CAS No.: 3026372-49-3

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Use of MCE Products

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity

Description

Cathepsin Inhibitor 3 (Compound 53k) is a non-radioactive intermediate in compound [¹⁸F] 2k radioactive synthesis, which has selectivity for cathepsin S. Cathepsin Inhibitor 3 can undergo radioactive fluorination and can be used for fluorine-18 labeling research^[1]. Cathepsin Inhibitor 3 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

Chemical Information

CAS No. 3026372-49-3
Molecular Weight 654.47
Formula C₃₁H₂₈FIN₂O₅
SMILES

C#C[C@@H](NC([C@@H](NC(C1=CC=C(C=C1)F)=O)CC2=CC=CC(I)=C2)=O)COCC3=CC=CC(C(OCC=C)=O)=C3
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Protocols

All Cell Biology

EdU Incorporation Assay (Click Chemistry-Based DNA Synthesis Measurement)
The EdU incorporation assay measures DNA synthesis by adding the thymidine analog 5-ethynyl-2′-deoxyuridine to cells or tissues, where it is incorporated into newly synthesized DNA during S phase. Incorporated EdU is detected by copper-catalyzed azide-alkyne cycloaddition, in which a fluorescent azide covalently reacts with the ethynyl group on EdU, allowing S-phase cells to be detected by fluorescence microscopy, flow cytometry, or high-content imaging. EdU detection does not require DNA denaturation or anti-BrdU antibody access, which preserves sample structure and improves compatibility with immunostaining and multiparameter cytometry compared with BrdU-based detection. EdU can be cytotoxic in a cell-type- and exposure-dependent manner, so pulse duration, concentration, and continuous-labeling designs should be validated for each cell type.

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (264 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Behring L, et al. Dipeptide-Derived Alkynes as Potent and Selective Irreversible Inhibitors of Cysteine Cathepsins. J Med Chem. 2023 Mar 23;66(6):3818-3851. [Content Brief]

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Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

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100 mg

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