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Cat. No.: HY-207462

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CBA-4

CBA-4 is an L,D-transpeptidase inhibitor. CBA-4 covalently acylates the active site of L,D-transpeptidase to form a stable acylenzyme adduct. CBA-4 can be used for research on bacterial resistance.

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

CAS No.: 2114983-08-1
Formula: C₁₄H₁₇NO₄S
Molecular Weight:295.35

Storage:

Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month

CBA-4 Chemical Structure

CAS No.: 2114983-08-1

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Use of MCE Products

Fluorescent Dye

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

Biological Activity
- Description
- In Vitro
Chemical Information
Purity & Documentation
References
Calculators
Help & FAQs
Classifications
Bioz

Biological Activity

Description

In Vitro

CBA-4 (39 μM; 15 min) fully acylates purified Ldt_fm and forms a stable acyl-enzyme adduct that shows no detectable hydrolysis after 3 h of incubation^[1].
CBA-4 (30 min) undergoes copper-catalyzed azide–alkyne cycloaddition (CuAAC) with 3-azido-7-hydroxycoumarin at an initial rate of 0.56 μM min⁻¹, reaching 21% conversion after 30 min of incubation at room temperature^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Chemical Information

CAS No. 2114983-08-1
Appearance Solid
Molecular Weight 295.35
Formula C₁₄H₁₇NO₄S
Color Light yellow to yellow
SMILES

OC(C1=C(SCCC#C)[C@H](C)[C@@]([C@@]2([H])[C@H](O)C)([H])N1C2=O)=O
Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (270 KB)
SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 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]. Saidjalolov S, et al. Click and Release Chemistry for Activity-Based Purification of β-Lactam Targets. Chemistry. 2021 May 17;27(28):7687-7695. [Content Brief]

Calculators

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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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