Isotopically Labeled Compounds
Medchemexpress LLC Creatine-d5 monohydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 5 MG
Creatine-d5 monohydrate is a deuterium-labeled form of creatine monohydrate used as a stable-isotope internal standard and analytical reference for quantitative LC-MS/MS and tracer studies. It separates from unlabeled creatine, enabling accurate quantitation in biological, food, and analytical matrices.
- Stable-isotope labeled for use as an internal standard.
- High purity (99.93%) for reliable analytical performance.
- Suitable for LC-MS/MS quantitation and tracer studies.
- Small package sizes support method development and validation.
- Provides a clear mass shift from unlabeled analyte for peak identification.
Cambridge Isotope Laboratories SODIUM PYRUVATE (3-13C, 99%), 1 G, 124052-04-6
SODIUM PYRUVATE (3-13C, 99%), 1 G, 124052-04-6
Medchemexpress LLC Cyantraniliprole-d3 (HGW-86-d3) | 1392493-34-3 | 99.6% | 476.73 g/mol | C19H11D3BrClN6O2 | 5 MG
Cyantraniliprole-d3 is the deuterium-labeled analog of the insecticide cyantraniliprole, provided as an isotopically labeled reference standard for analytical and research applications. It is intended for research use only and is supplied as a solid (white to off-white).
- Deuterium-labeled analog for use as an internal standard in LC-MS/MS quantitation
- High purity suitable for analytical workflows
- Available in small, pre-weighed quantities for method development
- Solid, white to off-white appearance for easy visual inspection
- Useful for pesticide residue analysis and method validation
Cambridge Isotope Laboratories 5-FLUOROURACIL (13C4, 99%; 15N2, 98%), 10 MG, 202407-03-2
5-FLUOROURACIL (13C4, 99%; 15N2, 98%), 10 MG, 202407-03-2
Medchemexpress LLC Propanoic-13C sodium | 62601-06-3 | MFCD00002758 | 99.6% | 97.05 g/mol | 13C C3H5NaO2 | 10 MG
Sodium propionate labeled with 13C is the isotopically labeled sodium salt of propionic (propanoic) acid supplied for use as a tracer or internal standard in analytical chemistry (NMR, GC-MS, LC-MS). It is provided as a white solid for research use only and should be stored sealed, away from moisture and light.
Medchemexpress LLC Lactate-d3 sodium | 1219802-24-0 | 98% | 1 MG
Lactate-d3 sodium | 1219802-24-0 | 98% | 1 MG
Medchemexpress LLC Benzothioamide-d5 | 1219804-59-7 | 142.23 | C7H2D5NS | 100 MG
Benzothioamide-d5 is the deuterium-labeled analogue of benzothioamide used as a stable-isotope standard and tracer for analytical and mechanistic studies. Supplied as a solid, it is intended for use as an internal standard in mass spectrometry and as a reference in NMR experiments.
- Deuterium-labeled (d5) for clear mass shift in MS analyses
- Suitable as an internal standard for LC-MS, GC-MS, and NMR
- Supplied as a solid for convenient handling and storage
- Stable under recommended storage conditions for long-term use
- Useful as a tracer in mechanistic and quantitative studies
Cayman Chemical FenretInIde-d4 5mg
An internal standard for the quantification of fenretinide by GC- or LC-MS
Cambridge Isotope Laboratories GLYCAN-O15-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O15-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
Medchemexpress LLC Methyl stearate-d35 | 29823-25-4 | 99.9% | 100 MG
Methyl stearate-d35 is the deuterium labeled Methyl stearate. Methyl stearate, isolated from Rheum palmatum L., is a component of soybean and rapeseed biodiesels. For research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
![Revvity Health Sciences Inc Oleic Acid, [1-<sup>14</sup>C]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812382.jpg-250.jpg)
Revvity Health Sciences Inc Oleic Acid, [1-14C]-, 250µCi (9.25MBq)
Oleic Acid, [1-14C]-, 250µCi (9.25MBq)
Cambridge Isotope Laboratories 3-CHLOROTYROSINE:HCL (13C9, 98%; 15N, 98%), CP: 95%, 1 MG
3-CHLOROTYROSINE:HCL (13C9, 98%; 15N, 98%), CP: 95%, 1 MG
Medchemexpress LLC Tiaprofenic acid-d3 | 2740831-64-3 | 96.3% | 263.33 | C14H9D3O3S | 100 UG
Tiaprofenic acid-d3 is a deuterium-labeled analogue of tiaprofenic acid intended for use as a research reagent and analytical standard in studies of cyclooxygenase (COX) pathways. It is provided as an isotopically labeled, high-purity compound suitable for biochemical assays and mass spectrometry applications.
- Deuterium-labeled compound for isotopic tracing and internal standard use.
- High purity for reliable analytical performance.
- Available in small, pre-weighed quantities for convenient handling.
- Compatible with mass spectrometry and chromatographic methods.
- Suitable for metabolic studies and quantitative assays.
Cambridge Isotope Laboratories DL-NORMETANEPHRINE:HCL (A,B,B-D3, 98%), 5 MG, 1085333-97-6
DL-NORMETANEPHRINE:HCL (A,B,B-D3, 98%), 5 MG, 1085333-97-6
Cambridge Isotope Laboratories Naproxen (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Naproxen (unlabeled) 100 ug/mL in acetonitrile 1 2 mL