Isotopically Labeled Compounds
Medchemexpress LLC L-ornithine-d6 hydrochloride | 347841-40-1 | >98.0% | 174.66 g/mol | C5H7D6ClN2O2 | 10 MG
L-Ornithine-d6 hydrochloride is the deuterium-labeled form of L-ornithine supplied as the monohydrochloride salt. It is intended for use as an isotope-labeled reference standard in metabolomics, mass spectrometry, and quantitative analytical workflows where a labeled internal standard or tracer is required.
- Deuterium-labeled (d6) analog for isotope dilution workflows.
- Provided as the monohydrochloride salt for stability and solubility.
- Typical isotopic enrichment ≥98 atom % D.
- Chemical purity ≥98%.
- Molecular weight 174.66 g/mol.
- Suitable as an internal standard for LC-MS and GC-MS assays.
Medchemexpress LLC N6-carbamoyl-L-lysine-2,6,6-d3 | 98.8% | 192.23 | C7H12D3N3O3 | 1 MG
L-Homocitrulline-d3 is the deuterium-labeled isotopologue of L-homocitrulline supplied as a research-grade standard for analytical and metabolic studies. It is intended for use as an internal standard or tracer in LC-MS/MS quantitation, metabolic pathway analysis, and method development.
- Deuterium-labeled internal standard for precise quantitation
- High purity (98.8%) suitable for analytical workflows
- Small pack sizes designed for trace-level applications
- Stable as a powder when stored at -20°C for long-term preservation
- Compatible with common solvents used in sample preparation
- Datasheet and COA provided for batch-specific validation
Medchemexpress LLC Ibuprofen-d3 sodium | 1219805-09-0 | MFCD11983518 | 99.0% | 231.28 | C13H14D3NaO2 | 10 MG
Ibuprofen-d3 sodium is the deuterium-labeled sodium salt of ibuprofen supplied as a solid research reagent. It is intended for use as an isotopic internal standard or tracer in analytical, pharmacokinetic, and metabolic studies, particularly LC-MS/MS methods. The material is supplied at high chemical purity and is for research use only.
- Isotopically labeled internal standard for LC-MS quantitation.
- High chemical purity (reported 99.0%).
- Suitable for pharmacokinetic and metabolic tracing studies.
- Solid powder, stable when stored sealed and away from moisture.
- Available in small research pack sizes, e.g. 10 MG.
Medchemexpress LLC Nadolol-d9 (SQ-11725-d9) | 94513-92-5 | 97.0% | 318.46 | C17H18D9NO4 | 10 MG
Nadolol-d9 is the deuterium-labeled analog of nadolol, a non-selective, orally active β-adrenergic receptor blocker used for analytical and research applications as a tracer or internal standard.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- Non-selective β-adrenergic receptor blocker analog suitable for tracer and pharmacokinetic studies.
- High purity (97.0%) for reliable analytical performance.
- Molecular formula C17H18D9NO4 and molecular weight 318.46 g/mol.
- Off-white to light yellow solid appearance.
- Storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months) or -20°C (1 month).
- Available in small analytical quantities, including 10 mg packs.
Medchemexpress LLC Paraxanthine-d6 | 117490-41-2 | >99.0% | 186.20 | C7H2D6N4O2 | 1 MG
Paraxanthine-d6 is the deuterium-labeled analogue of paraxanthine supplied as a stable isotope reference material for analytical and research use. It is intended as an internal standard for quantitative mass spectrometry and tracer studies of caffeine metabolites. The material is provided as a crystalline solid with high isotopic purity and is compatible with common organic solvents.
- Stable isotope internal standard for quantitative mass spectrometry.
- High isotopic purity (>99% deuterated forms) for accurate quantitation.
- Compatible with LC-MS and tracer studies.
- Crystalline solid, soluble in DMSO and common organic solvents.
- Molecular formula C7H2D6N4O2; molecular weight 186.20.
Medchemexpress LLC 1-bromoheptane-d15 | 98195-42-7 | 194.19 g·mol⁻¹ | C7D15Br | 50 MG
1-Bromoheptane-d15 is a deuterium-labeled analogue of 1-bromoheptane (C7D15Br, MW 194.19 g·mol⁻¹) used as an isotopic standard and reagent in synthetic and analytical chemistry. It is supplied as a liquid, typically colorless to light yellow, and is intended for applications that require deuterium incorporation or accurate mass-based quantitation.
- Deuterium-labeled (d15) for isotopic tracing and mass-spectrometry quantitation
- Chemical formula C7D15Br; molecular weight 194.19 g·mol⁻¹
- Supplied as a liquid, colorless to light yellow
- Suitable as an internal standard for mass spectrometry
- Useful in mechanistic studies, tracer experiments, and synthetic applications requiring deuterium
Cambridge Isotope Laboratories Glycerol (D8, 99%) | 7325-17-9 | MFCD00084149 | 5g
Glycerol (D8, 99%) | Putity: 98% | MW: 100.14 | 7325-17-9 | MFCD00084149 | 5g
Cambridge Isotope Laboratories Glycine (13C2, 99%; 15N, 99%) | 211057-02-2 | MFCD00083979 | 0.25g
Glycine (13C2, 99%; 15N, 99%) | Putity: 98% | MW: 78.05 | 211057-02-2 | MFCD00083979 | 0.25g
Cambridge Isotope Laboratories D-Glucose U-13C6, 110187-42-3, MFCD00037544, 10G
Chemical Formula: HO*CH2(*CHOH)4*CHO, Molecular Weight: 186.11, Chemical Purity: 98%.
Cambridge Isotope Laboratories Sodium Acetate (1-13C, 99%), 23424-28-4, MFCD00037666, 1G
Sodium Acetate (1-13C, 99%), 23424-28-4, MFCD00037666, 1G
Medchemexpress LLC (±) Anabasine-d4 | 1020719-08-7 | MFCD04039400 | >95.0% | 166.26 g/mol | C10H10D4N2 | 5 MG
(±) Anabasine-d4 is the deuterium-labeled racemate of anabasine supplied for analytical and research use as an isotope-labeled reference or internal standard. It is intended for quantitative and metabolite studies involving nicotinic acetylcholine receptor pathways. Chemical formula C10H10D4N2; molecular weight 166.26 g/mol; CAS 1020719-08-7. Solubility: DMSO ~130 mg/mL. Store protected from light; refrigerate solid, and freeze solutions for long-term storage.
Cambridge Isotope Laboratories PYRIDINE-D5 (D, 99.5%) +0.05% V/V TMS, 10 X 0.5ML, 7291-22-7
PYRIDINE-D5 (D, 99.5%) +0.05% V/V TMS, 10 X 0.5ML, 7291-22-7
Cambridge Isotope Laboratories N-HEXANE (D14, 98%), 5 G, 21666-38-6
N-HEXANE (D14, 98%), 5 G, 21666-38-6
Cambridge Isotope Laboratories 1,2-DICHLOROBENZENE-D4 (D, 99%), 25 G, 2199-69-1
1,2-DICHLOROBENZENE-D4 (D, 99%), 25 G, 2199-69-1