Isotopically Labeled Compounds
Cambridge Isotope Laboratories ACETIC ACID (1-13C, 99%), 5 G, 1563-79-7
ACETIC ACID (1-13C, 99%), 5 G, 1563-79-7
Cambridge Isotope Laboratories ETHANOL (1-13C, 99%) (, 1 G, 14742-23-5
ETHANOL (1-13C, 99%) (, 1 G, 14742-23-5
Cambridge Isotope Laboratories TAUROCHENODEOXYCHOLIC ACID, SODIUM SALT (2,2,3,4,4,6,6,7,8-D9, 98%) 100 UG/ML IN METHANOL, 1 ML
TAUROCHENODEOXYCHOLIC ACID, SODIUM SALT (2,2,3,4,4,6,6,7,8-D9, 98%) 100 UG/ML IN METHANOL, 1 ML
Medchemexpress LLC Tasquinimod-d3 | 1416701-99-9 | 99.3% | 409.37 | C20H14D3F3N2O4 | 1 MG
Tasquinimod-d3 is a deuterium-labeled isotopologue of tasquinimod supplied as a high-purity reference standard for analytical and research applications. It is intended for use as an internal standard or tracer in mass spectrometry, chromatography, and pharmacokinetic studies; not for human therapeutic use.
- High isotopic labeling for accurate mass spectrometry quantitation.
- High chemical purity (99.3%) for reliable analytical results.
- Available in small, pre-weighed quantities suitable for LC-MS workflows.
- Characterized molecular weight and formula for confident identification.
- Provided with documentation to support traceability and analytical use.
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphorylcholine-d70 | 56952-01-3 | 99.0% | 860.58 | C44H18D70NO8P | 10 MG
DSPC-d70 is a deuterium-labeled 1,2-distearoyl-sn-glycero-3-phosphorylcholine supplied as a high-purity research reagent. It is used as a tracer or internal standard for quantitative lipid analysis by NMR, GC-MS, or LC-MS, and as a lipid component in liposome and lipid nanoparticle formulations.
- Deuterated (d70) phosphatidylcholine for analytical applications.
- High purity (99.0%) suitable for quantitative assays.
- Molecular weight 860.58; formula C44H18D70NO8P.
- CAS number 56952-01-3 for unambiguous identification.
- Available as a 10 mg pack for laboratory use.
- Intended for research use only.
Medchemexpress LLC Isonicotinic acid-d4 | 53907-55-4 | 98.1% | 127.13 | C6HD4NO2 | 10 MG
Isonicotinic acid-d4 is the deuterium-labeled analog of isonicotinic acid, provided as an analytical standard for research and quantitative mass spectrometry. It is used as a stable isotope internal standard or tracer in metabolic and analytical studies, supplied in small laboratory pack sizes such as 10 MG.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity suitable for analytical applications (≈98.1%).
- CAS number 53907-55-4 for unambiguous identification.
- Molecular weight 127.13 g/mol for calculation and method development.
- Available in small pack sizes, for example 10 MG, for laboratory use.
- Store sealed and protected from moisture; in solvent: -80°C for long-term storage, -20°C for short-term storage.
Medchemexpress LLC Urea-13C (carbonyl diamide-13C) | 58069-82-2 | MFCD00064398 | 99.1% | 61.05 g/mol | 13CH4N2O | 50 MG
Urea-13C is urea labeled with the stable isotope carbon-13 (13C), provided as a solid reagent for diagnostic and analytical applications. It is used as the substrate in the 13C-urea breath test for detection of Helicobacter pylori and as a tracer or internal standard for quantitative NMR, GC-MS, and LC-MS analyses.
- 13C enrichment of 99.1%.
- Suitable as substrate for 13C-urea breath testing to detect Helicobacter pylori.
- Useful as tracer and internal standard for NMR, GC-MS, and LC-MS quantitative analysis.
- Solid, white to off-white physical form for easy handling and storage.
- Available in small pack sizes such as 50 mg for research use.
Cambridge Isotope Laboratories DL-VANILMANDELIC ACID (VMA) (RING-D3, 98%), 0.01 G
DL-VANILMANDELIC ACID (VMA) (RING-D3, 98%), 0.01 G
Medchemexpress LLC Prostaglandin D2-d9 | 2254642-52-7 | 99.0% | 361.52 g/mol | C20H23D9O5 | 100 UG
Prostaglandin D2-d9 is a deuterium-labeled analogue of prostaglandin D2 used as a stable isotope internal standard and tracer for quantitative mass spectrometry and NMR assays. Supplied as a solution (100 μg) for research use, the isotopic label improves accuracy and precision in PGD2 quantification.
- Deuterium-labeled internal standard for LC-MS, GC-MS, and NMR.
- High purity (99.0%) for reliable quantitation.
- Supplied as 100 μg solution in methyl acetate for convenient use.
- Stable under recommended storage: solution -20°C (up to 2 years); stock solutions -80°C (6 months).
- Suitable as a tracer and calibration standard to improve assay accuracy and precision.
Medchemexpress LLC Devimistat-d10 (CPI-613-d10) | 2586055-61-8 | 99.8% | 398.65 | C22H18D10O2S2 | 10 MG
Devimistat-d10 is the deuterium-labeled form of devimistat designed for use as a tracer and as an internal standard in quantitative analytical assays. It is supplied as a high-purity solid suitable for NMR, GC-MS, and LC-MS applications, and includes storage recommendations for both powder and solution states.
- Can be used as a tracer for metabolic and pharmacokinetic studies.
- Serves as an internal standard for quantitative NMR, GC-MS, and LC-MS.
- High purity supports accurate and reproducible analytical results.
- Molecular weight and formula provided for analytical reference.
- Supplied as a white to off-white solid with specified storage conditions.
- Stable under recommended storage for reliable long-term use.
Medchemexpress LLC Clenbuterol-d9 | 129138-58-5 | 99.9% | 1 MG
Clenbuterol-d9 is the deuterium labeled Clenbuterol, acting as a β2-adrenergic receptor agonist. This compound is suitable for use as a tracer and an internal standard in quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Deuterium labeled compound
- β2-adrenergic receptor agonist
- Useful as a tracer in analytical techniques
- Functions as an internal standard for quantitative analysis
Cambridge Isotope Laboratories SODIUM FORMATE (13C, 99%; D, 98%), 0.25 G, 1215684-17-5
SODIUM FORMATE (13C, 99%; D, 98%), 0.25 G, 1215684-17-5
Medchemexpress LLC ε-caprolactone-d6 | 1219802-08-0 | 99.3% | 120.18 g·mol^-1 | C6H4D6O2 | 5 MG
Deuterium-labeled ε-caprolactone is a stable isotope reagent used as a tracer and internal standard for quantitative NMR, GC-MS, and LC-MS. It is supplied in small laboratory-scale quantities and is characterized by the deuterated formula C6H4D6O2 and a molecular weight of 120.18 g·mol⁻1.
- High chemical purity: 99.3%.
- Suitable as tracer and internal standard for quantitative analysis.
- Deuterated molecular formula: C6H4D6O2.
- Appearance: colorless to light yellow liquid.
- Long-term storage: -20°C for pure material; in solvent store at -80°C (6 months) or -20°C (1 month).
- Available in small milligram pack sizes for research use.
Revvity Health Sciences Inc Chromium-51 Radionuclide, 1mCi, EDTA Complex in 0.005M EDTA (pH 7.0)
Chromium-51 Radionuclide, 1mCi, EDTA Complex in 0.005M EDTA (pH 7.0)