Isotopically Labeled Compounds
Cambridge Isotope Laboratories D-XYLOSE (1,2-13C2, 99%), 0.5 G, 201741-00-6
D-XYLOSE (1,2-13C2, 99%), 0.5 G, 201741-00-6
Cambridge Isotope Laboratories L-LYSINE:2HCL (6-13C, 99%), 0.25 G
L-LYSINE:2HCL (6-13C, 99%), 0.25 G
Cambridge Isotope Laboratories SODIUM PYRUVATE (13C3, 99%), 1 G, 142014-11-7
SODIUM PYRUVATE (13C3, 99%), 1 G, 142014-11-7
Cambridge Isotope Laboratories 2'-DEOXYADENOSINE:H2O (DEOXYRIBOSE-2-13C, 99%), 0.1 G
2'-DEOXYADENOSINE:H2O (DEOXYRIBOSE-2-13C, 99%), 0.1 G
Cambridge Isotope Laboratories Sodium Bicarbonate (13C, 99%), 87081-58-1, 5g
Molecular Formula CHO3.Na, Purity 98%, Molecular Weight 84.995, Synonyms: Sodium hydrogen carbonate; Baking soda; Carbonic acid monosodium salt
Medchemexpress LLC Fmoc-3VVD-OH-d8 | 863971-44-2 | MFCD28386982 | 10 MG
Fmoc-3VVD-OH-d8 is a deuterium-labeled Fmoc-protected amino-acid derivative used as an ADC linker intermediate and as a stable-isotope tracer for analytical and pharmacokinetic studies. The deuterated analog supports mass-spectrometry quantification and may alter metabolic or pharmacokinetic behavior.
- Deuterium-labeled analog suitable for tracer and quantification studies.
- Used as an ADC linker intermediate in antibody-drug conjugate synthesis.
- Formula C36H43D8N3O7; molecular weight 645.86.
- Off-white to light yellow solid appearance.
- Store at 4°C; in solution store at -80°C (up to 6 months) or -20°C (up to 1 month); protect from light.
- Available in small mg-scale quantities (e.g., 10 MG).
Medchemexpress LLC DL-Norepinephrine-d6 hydrochloride | 1219803-04-9 | 5 MG
DL-Norepinephrine-d6 hydrochloride is a deuterium-labeled variant of DL-Norepinephrine hydrochloride. This compound is a racemic catecholamine neurotransmitter, composed of an equal mixture of L- and D-stereoisomers, where the L-isomer is active and the D-isomer has minimal or no activity. It can be used as a tracer, for example, in Parkinson's disease research.
- Deuterium labeled
- Tracer application
- Internal standard for quantitative analysis
- For research use only
- High purity
- Solid form
- Stable isotope compound
- Potential impact on pharmacokinetic and metabolic profiles
Medchemexpress LLC Dl-norepinephrine-d6 hydrochloride | 1219803-04-9 | 1 MG
DL-Norepinephrine-d6 hydrochloride is the deuterium labeled DL-Norepinephrine hydrochloride. It is an external racemic catecholamine neurotransmitter, representing an equal mixture of L- and D-stereoisomers. It can be used as a tracer for Parkinson's disease research when labeled with tritium.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Tetrabenazine-d6 | 1392826-25-3 | 323.46 | C19H21D6NO3 | 10 MG
Tetrabenazine-d6 is a deuterium-labeled analogue of tetrabenazine provided as a research reference standard for analytical and preclinical applications. It serves as a tracer or internal standard for quantitative analyses (LC-MS, GC-MS, NMR), and is used in studies of vesicular monoamine transporter activity and hyperkinetic movement disorder research.
- Deuterium-labeled isotopologue for analytical internal standard use.
- Useful for LC-MS, GC-MS, and NMR quantification.
- Targeted for monoamine transporter (VMAT) research.
- Soluble in DMSO; limited solubility in water (may require ultrasonic).
- Supplied as a small-quantity research reference (10 mg).
Medchemexpress LLC Glyphosate-d2-1 | 1071-83-6 | MFCD00055350 | 99.9% | 171.09 | C3H6D2NO5P | 10 MG
Glyphosate-d2-1 is a deuterium-labeled analytical standard of glyphosate supplied in milligram quantities for use in analytical and research applications. It is intended as an isotopically labeled internal standard to improve quantitation and identification in mass spectrometry and other analytical methods.
- Deuterium-labeled glyphosate for use as an internal standard.
- Supplied in milligram-scale quantity suitable for analytical workflows.
- High listed purity for trace-level quantitation.
- Accompanied by datasheet, certificate of analysis, and spectral reports.
- Suitable for LC-MS/MS method development and validation.
Medchemexpress LLC Diuron-d6 | 1007536-67-5 | MFCD01632291 | 99.0% | 239.13 | C9H4D6Cl2N2O | 10 MG
Diuron-d6 is the deuterium-labeled form of the herbicide diuron provided as a stable-isotope analytical standard for laboratory research and quantitative analysis. It is intended for use as an internal standard in mass spectrometry and for environmental and biological residue studies where isotopic labeling improves accuracy and detection.
Medchemexpress LLC Acetylcholine-d4 (bromide) | 93449-31-1 | 98.0% | 10 MG
Acetylcholine-d4 (bromide) is the deuterium-labeled analogue of acetylcholine bromide supplied for research and analytical use. It serves as an isotopically labeled tracer and internal standard for quantitative assays and is provided as a high-purity solid suitable for spectroscopic and mass-spectrometric workflows.
- isotopically labeled internal standard for quantitative analysis
- compatible with NMR, GC-MS, and LC-MS workflows
- high chemical purity (98.0%) for reliable quantitation
- solid, white to off-white appearance for ease of handling
- stable when stored sealed and protected from moisture; in solvent: -80°C (up to 6 months) or -20°C (up to 1 month)
- intended for research use only
Medchemexpress LLC Penicillin G-d7 (potassium) | 352323-25-2 | 2.5 MG
Penicillin G-d7 (potassium), also known as Benzylpenicillin-d7 potassium salt, is a deuterium-labeled variant of Penicillin G potassium salt. This compound is intended for research use only and is not sold to patients. It can be utilized as a tracer and as an internal standard for quantitative analysis through techniques such as NMR, GC-MS, or LC-MS.
- Tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Methyl 4-hydroxybenzoate-d4 | 362049-51-2 | MFCD01861573 | 98.0% | 10 MG
Methyl paraben-d4 (methyl 4-hydroxybenzoate-d4) is the deuterium-labeled analogue of methyl paraben, supplied as a small solid for use as an analytical/internal standard in chromatography and mass spectrometry. It provides a stable isotope reference for quantitative analyses and method development in laboratory workflows.
- Deuterium-labeled analogue (d4) for use as an internal standard.
- Molecular formula: C8H4D4O3.
- Molecular weight: 156.17 g/mol.
- CAS number: 362049-51-2.
- Supplied as a 10 mg vial suitable for analytical applications.
- Reported isotopic enrichment: ~98 atom % D (supplier listings).
- Intended applications include LC-MS and GC-MS quantitation and method validation.
Medchemexpress LLC D-valine-d8 | 1116448-82-8 | 99.1% | 125.20 g/mol | C5H3D8NO2 | 10 MG
D-Valine-d8 is the deuterium-labeled enantiomer of valine used as an isotopically labeled standard or tracer in analytical and biochemical applications, including mass spectrometry, metabolic tracing, and chiral studies. It is supplied as a solid with high isotopic purity for reliable quantification.
- Deuterium-labeled D-valine suitable for isotopic labeling and internal standards.
- Molecular formula C5H3D8NO2 and molecular weight 125.20 g/mol.
- High purity (99.1%) for accurate analytical results.
- Available as a solid in small mg packages, including 10 MG.
- CAS number 1116448-82-8 for unambiguous identification.