Isotopically Labeled Compounds
Medchemexpress LLC Rabeprazole-d4 sodium | 117976-90-6 | 98.6% | 385.45 | C18H16D4N3NaO3S | 10 MG
Rabeprazole-d4 sodium is the deuterium-labeled sodium salt of rabeprazole, supplied as a stable isotope internal standard for analytical assays. It is intended for quantitative mass spectrometry and other analytical methods that require an isotopically labeled reference.
- Deuterium-labeled internal standard for LC-MS quantification.
- High chemical purity for reliable analytical performance.
- Suitable for pharmacokinetic and bioanalytical method development.
- Supplied in a small-mass package for trace-level studies.
- Stable under recommended storage conditions.
Medchemexpress LLC Squalane-d62 | 16514-83-3 | 100 MG
Squalane-d62 is the deuterium-labeled version of Squalane, a saturated derivative of Squalene found in certain fish and vegetable oils. It exhibits anticancer, antioxidant, skin hydrating, and emollient activities.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories CYCLOPENTYL BROMIDE-D9 (D, 99%), 1 G, 35468-44-1
CYCLOPENTYL BROMIDE-D9 (D, 99%), 1 G, 35468-44-1
Cambridge Isotope Laboratories L-PHENYLALANINE-N-FMOC (RING-D5, 98%), 0.25 G
L-PHENYLALANINE-N-FMOC (RING-D5, 98%), 0.25 G
Cambridge Isotope Laboratories SUCCINIC ACID, DISODIUM SALT (D4, 75%) 95% CHEMICAL PURITY, 10 G
SUCCINIC ACID, DISODIUM SALT (D4, 75%) 95% CHEMICAL PURITY, 10 G
Medchemexpress LLC Psychosine-d5 | 2260670-12-8 | 99.0% | 466.66 | 1 MG
Psychosine-d5 is a deuterium-labeled Psychosine. This compound acts as a substrate for the galactocerebrosidase (GALC) enzyme and is identified as a potential biomarker for Krabbe disease. It is also known as a highly cytotoxic lipid that can induce cell death in various cell types.
- 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 3,3,3-trideuterio-2-(3-fluoro-4-phenylphenyl)propanoic acid | 1185133-81-6 | MFCD09840635 | 99.9% | 247.28 g/mol | C15H10D3FO2 | 1 MG
Flurbiprofen-d3 is a deuterium-labeled analogue of flurbiprofen supplied as an isotopically labeled reference standard for analytical and research use. It is used primarily as an internal standard to enable accurate quantitation in mass spectrometry-based assays and bioanalytical method development.
- Isotopically labeled internal standard for quantitative mass spectrometry.
- High chemical and isotopic purity for reliable assay performance.
- Suitable for LC-MS/MS and GC-MS bioanalytical workflows.
- Applicable to pharmacokinetic and metabolic studies.
- Provided as a stable solid with batch-specific documentation.
Medchemexpress LLC Glyphosate-d2-1 | 99.9% | 5 MG
Glyphosate-d2-1 is a deuterium-labeled version of Glyphosate, an herbicidal derivative of the amino acid glycine. It targets and blocks the shikimate pathway in plants, a metabolic pathway not found in animals, which is essential for the synthesis of aromatic amino acids. This compound is primarily used as a tracer and internal standard in quantitative analysis.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration can influence pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Acetophenone-d8 (1-phenylethan-1-one-d8) | 19547-00-3 | MFCD00064447 | 100.0% | 128.20 g/mol | C8D8O | 1g
Acetophenone-d8 is the deuterium labeled Acetophenone Acetophenone is an organic compound with simple structure[1]
Medchemexpress LLC L-valine-d1 | 77257-03-5 | 118.15 g/mol | C5H10DNO2 | 10 MG
L-Valine-d1 is the deuterium-labeled analogue of L-valine supplied as a solid research reagent. It is intended for laboratory and analytical use, including mass spectrometry internal standards and metabolic tracing.
- Single deuterium substitution provides a predictable mass shift for MS-based quantitation.
- Suitable as an internal standard and tracer in metabolic and analytical studies.
- Supplied as a solid powder (10 mg) for convenient storage and handling.
- Stable when stored as powder at -20°C; in solvent, store at -80°C for long-term stability.
- Intended for research use only.
Cayman Chemical Myristic Acid-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 30719-21-2, 250 mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
American Radiolabeled Chemicals Inc Chlorine-36 Sodium Chloride, 50 μCi, 1.85 MBq, 0.1 mCi/ml, Aqueous Solution
Chlorine-36 Sodium Chloride, 50 μCi, 1.85 MBq, 0.1 mCi/ml, Aqueous Solution
Medchemexpress LLC Glycine-1-13C | 20110-59-2 | MFCD00037548 | 99.4% | 76.06 | C13CH5NO2 | 50mg
Glycine-1-13C is the 13C-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC Cefotaxime-d3 | 63527-52-6 | 98.0% | 458.48 g/mol | C16H14D3N5O7S2 | 1 MG
Cefotaxime-d3 is the deuterium-labeled isotopologue of the third-generation cephalosporin cefotaxime, supplied as a solid for use as an analytical internal standard and tracer in quantitative methods such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for quantitative assays.
- High purity: 98.0%.
- Chemical formula: C16H14D3N5O7S2.
- Molecular weight: 458.48 g/mol.
- Appearance: white to off-white solid.
- Intended applications: tracer, calibration, and bioanalytical quantitation.
- Available in 1 mg size; larger sizes available by quote.