Aminobenzoic acids and derivatives
Medchemexpress LLC FITC-labeled α-Bungarotoxin | 95.0% | 8500 | 50 UG
FITC-labeled α-Bungarotoxin is FITC-conjugated α-Bungarotoxin (HY-P1264). α-Bungarotoxin acts as a competitive antagonist of nicotinic acetylcholine receptors (nAChRs).
- Specifically labels a pair of neurons with a diameter of approximately 30 μm in the cerebral ganglion of *Clione limacina*.
- Binding completely blocked by 1 nM unlabeled α-bungarotoxin.
- Binding to neurons of the cerebral ganglion of *Clione limacina* is blocked by nicotinic acetylcholine receptor agonists and antagonists.
Medchemexpress LLC Α-Bungarotoxin, FITC labeled | 95.0% | 8500 | 100 UG
FITC-labeled α-Bungarotoxin is a conjugate of FITC and α-Bungarotoxin, known to act as a competitive antagonist of nicotinic acetylcholine receptors (nAChRs). This labeled toxin specifically binds to neurons in the cerebral ganglion of *Clione limacina*, with its binding completely inhibited by unlabeled α-bungarotoxin or various nicotinic acetylcholine receptor agonists and antagonists. It is supplied as a yellow to orange solid.
- Purity: 95.0%
- Molecular weight: Approximately 8500
- Appearance: Solid
- Color: Yellow to orange
- Shipped at room temperature in continental US
- Storage conditions: Sealed, away from moisture and light, under nitrogen
Medchemexpress LLC 4-(dimethylamino)phenacyl bromide-d6 | 37904-72-6 | 98.8% | 248.15 g/mol | C10H6D6BrNO | 5 MG
4-(Dimethylamino)phenacyl bromide-d6 is a deuterium-labeled reagent provided for research use as a tracer and internal standard in quantitative analytical methods. It delivers defined isotopic labeling and high chemical purity to support accurate quantification in small-scale analytical workflows.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- High purity and defined isotopic labeling.
- Available in small mg-scale quantities for analytical use.
- Intended for research use only; not for clinical or diagnostic use.
Medchemexpress LLC 12-Hydroxystearic ac 25mg
12-Hydroxystearic acid-d5 is the deuterium labeled 12-Hydroxystearic acid[1]
Medchemexpress LLC 12-Hydroxystearic ac 10mg
12-Hydroxystearic acid-d5 is the deuterium labeled 12-Hydroxystearic acid[1]
Medchemexpress LLC 12-Hydroxystearic ac 1mg
12-Hydroxystearic acid-d5 is the deuterium labeled 12-Hydroxystearic acid[1]
Medchemexpress LLC 12-Hydroxystearic ac 50mg
12-Hydroxystearic acid-d5 is the deuterium labeled 12-Hydroxystearic acid[1]
Medchemexpress LLC 12-Hydroxystearic ac 5mg
12-Hydroxystearic acid-d5 is the deuterium labeled 12-Hydroxystearic acid[1]
Medchemexpress LLC 3-Methyluric Acid-13C4,15N3 | 1173019-10-7 | 99.5% | C213C4H6N15N3O3 | 2 MG
3-Methyluric Acid-13C4,15N3 is an isotope-labeled compound, specifically a 13C and 15N labeled form of 3-Methyluric Acid. Stable heavy isotopes of elements like carbon and nitrogen are incorporated into drug molecules, primarily serving as tracers for quantitation during the drug development process.
- Labeled with 13C and 15N isotopes
- Suitable as a tracer for quantitation in drug development
- Contributes to understanding pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC 2,5-diaminobenzoic acid-d3 | 98.0% | 155.17 g/mol | C7H8N2O2 | 10mg
2 5-Diaminobenzoic acid-d3 is the deuterium labeled 2 5-Diaminobenzoic acid
Medchemexpress LLC 2,5-diaminobenzoic acid-d3 | 98.0% | 155.17 g/mol | C7H5D3N2O2 | 5mg
2 5-Diaminobenzoic acid-d3 is the deuterium labeled 2 5-Diaminobenzoic acid
Medchemexpress LLC 7-Amino-4-methylcoumarin-3-acetic acid | 106562-32-7 | 99.9% | 25 MG
7-Amino-4-methylcoumarin-3-acetic acid is a fluorescent protein labeling agent that emits in the blue region (440-460 nm) when activated with UV light (350 nm). It is intended for research use only.
- Fluorescent protein labeling agent.
- Emits in the blue region (440-460 nm).
- Activated with UV light (350 nm).
- Suitable for immunofluorescence and flow cytometry.
- Used in biological conjugation and labeling chemistry.
Medchemexpress LLC 2-Amino-8-oxononanoic acid hydrochloride | 2984160-77-0 | 98.0% | C9H18ClNO3 | 1 ML
2-Amino-8-oxononanoic acid (hydrochloride) is the hydrochloride form of 2-Amino-8-oxononanoic acid. It is an amino acid that can be incorporated into proteins in E.coli in genetic studies. This compound is efficient in labeling proteins with different probes in a site-specific manner under mild conditions close to physiological pH.
- Hydrochloride form of 2-Amino-8-oxononanoic acid
- Incorporated into proteins in E.coli in genetic studies
- Efficient in labeling proteins with different probes
- Site-specific labeling under mild conditions
Medchemexpress LLC Sodium α-ketoisocaproic acid-13C2 | 2483736-09-8 | 98.0% | 154.11 | C413C2H9NaO3 | 1 MG
Sodium α-ketoisocaproic acid-13C2 is the 13C2 stable-isotope labeled sodium salt of α-ketoisocaproic acid intended for research use. It is used as a labeled tracer to study leucine metabolism and related biochemical pathways in metabolomics and analytical workflows such as mass spectrometry and NMR.
- Provides 13C2 stable-isotope labeling for tracer studies.
- Suitable for metabolomics, NMR, and MS-based assays.
- High purity for reliable analytical results.
- White to off-white solid, easy to handle and store.
- For research use only; not for human or clinical use.
Medchemexpress LLC (E)-3-(1H-indol-3-yl-4,5,6,7-d4)acrylic acid | MFCD00005633 | 99.4% | 191.22 g/mol | C11H5D4NO2 | 1 MG
3-Indoleacrylic acid-d4 is the deuterium-labeled isotopologue of 3-indoleacrylic acid provided as a high-purity stable-isotope standard for research and analytical use. It is intended for use as an internal standard or tracer in mass spectrometry and metabolic studies, delivering precise isotopic labeling for improved quantitation and identification.
- Deuterium-labeled (d4) isotopologue for use as a stable-isotope standard.
- High purity suitable for analytical applications.
- Accurate mass shift for unambiguous mass spectrometry identification.
- Available in mg-scale packages for method development and validation.
- Suitable as an internal standard in quantitative assays.