Isotopically Labeled Compounds
Medchemexpress LLC 1-bromooctane-d4 | 1219803-37-8 | 95.0% | 197.15 | C8H13D4Br | 1 MG
1-Bromooctane-d4 is the deuterium-labeled analogue of 1-bromooctane used as an isotope-labeled tracer and internal standard in analytical chemistry and mass spectrometry. It contains four deuterium atoms (d4), has molecular formula C8H13D4, and a molecular weight of 197.15 g·mol-1. Typical applications include quantitative analysis, structure elucidation, and mechanistic studies.
- Deuterium-labeled internal standard for mass spectrometry quantification.
- Useful tracer for metabolic and mechanistic studies.
- Improves accuracy and precision in isotope-dilution assays.
- Compatible with common organic solvents and GC/MS workflows.
- Supplied in small reference quantities suitable for analytical use.
Medchemexpress LLC D-glucose-d4 | 478529-49-6 | 99.0% | 184.18 g/mol | C6H8D4O6 | 10 MG
D-Glucose-d4 is a deuterium-labeled D-glucose used as an isotopic internal standard and tracer for analytical and metabolic studies. It is commonly applied in LC-MS, GC-MS, NMR, and metabolic flux experiments where stable isotope labeling enables tracking or accurate quantification.
- Deuterium labeling: d4
- Purity: 99.0%
- Chemical formula: C6H8D4O6
- Molecular weight: 184.18 g/mol
- Appearance: solid, white to off-white
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month)
- Pack size: 10 MG
![Revvity Health Sciences Inc Ghrelin (human), [His[<sup>125</sup>I]], 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812844.jpg-250.jpg)
Revvity Health Sciences Inc Ghrelin (human), [His[125I]], 10µCi
Ghrelin (human), [His[125I]], 10µCi
Cambridge Isotope Laboratories Algal starch (U-13C 98%) CP 90% 1 g
Algal starch (U-13C 98%) CP 90% 1 g
![Revvity Health Sciences Inc U-69,593, [Phenyl-3,4-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810503.jpg-250.jpg)
Revvity Health Sciences Inc U-69,593, [Phenyl-3,4-3H]-, 250µCi (9.25MBq)
U-69,593, [Phenyl-3,4-3H]-, 250µCi (9.25MBq)
Cambridge Isotope Laboratories BENZYL ALCOHOL (ALPHA-13C, 99%), 1 G, 54522-91-7
BENZYL ALCOHOL (ALPHA-13C, 99%), 1 G, 54522-91-7
Medchemexpress LLC Sacubitril-d4 | 1884269-07-1 | C24H25D4NO5 | 1 MG
Sacubitril-d4 is the deuterium-labeled version of Sacubitril, a potent Neprilysin (NEP) inhibitor (IC50 of 5 nM) and a component of the heart failure medicine LCZ696. This compound is valuable for research, serving as a tracer or an internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Used as a tracer in research
- Functions as an internal standard for quantitative analysis
- Supports research in heart failure
Medchemexpress LLC Glycolithocholic aci 100mg | 474-74-8 | 433.62 | C26H43NO4 | 100 MG
Glycolithocholic acid (lithocholylglycine) is an endogenous glycine-conjugated secondary bile acid supplied as an analytical standard for research and diagnostic assays, including studies of ulcerative colitis, non-alcoholic steatohepatitis, and primary sclerosing cholangitis.
- High purity: 99.90%.
- Molecular weight: 433.62 g/mol.
- Chemical formula: C26H43NO4.
- Available as solid packs including 100 mg, and smaller sizes.
- Also available as a 10 mM solution in DMSO for ready use.
- Includes supporting technical files: datasheet, COA, SDS, and spectral data.
- Intended for analytical and research applications.
eMolecules 347841-43-4 | Medchem Express | Acetylcholine-d16 (bromide) | 1mg | 784544309 | HY-B0282AS3 | MFCD01074175 | 242.212 | C7H16BrNO2
Ambeed | (4-Carbamoyl-3-chlorophenyl)boronic acid | 250mg | 586031168 | A365815 | 850589-52-5 | MFCD07363777 | 199.400 | C7H7BClNO3
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Medchemexpress LLC Dodecanoic-12,12,12-d3 acid | 79050-22-9 | 98.9% | 203.34 | C12H21D3O2 | 25mg
Lauric acid-d33 is the deuterium labeled Lauric acid Lauric acid is a middle chain-free fatty acid with strong bactericidal properties The EC50s for P acnes S aureus S epidermidis are 2 6 4 g/mL respectively
Sigma Aldrich Fine Chemicals Biosciences L Alanne 3 13C 99 atom 1500MG
L Alanne 3 13C 99 atom 1500MG
Cambridge Isotope Laboratories n-Heptadecane (D36 98%) (5% related per-deuterated alkanes) CP 95% 5 g
n-Heptadecane (D36 98%) (5% related per-deuterated alkanes) CP 95% 5 g
Medchemexpress LLC Palmitic acid-d31 | 39756-30-4 | 287.62 | 5 MG
Palmitic acid-d31 is a deuterium-labeled palmitic acid, a long-chain saturated fatty acid commonly found in both animals and plants. It can induce glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in mouse granulosa cells. This compound is valuable as a tracer or an internal standard for quantitative analysis in various spectroscopic methods, and its deuterium labeling offers potential benefits for studying pharmacokinetic and metabolic profiles.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeling for pharmacokinetic and metabolic studies
Medchemexpress LLC Methotrexate-d3 diammonium | 00-00-0 | MFCD08063571 | 99.7% | 491.52 | C20H25D3N10O5 | 5 MG
Methotrexate-d3 diammonium is a deuterium-labeled analog of methotrexate provided as the diammonium salt for research use. It serves as a stable isotope internal standard and analytical reference for LC-MS, pharmacokinetic, and tracer studies, supplied in small milligram quantities with high isotopic purity.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (≈99.7%) suitable for analytical applications.
- Diammonium salt form for improved handling and stability.
- Soluble in DMSO for easy sample preparation.
- Available in small milligram pack sizes for research use.