Isotopically Labeled Compounds
Cayman Chemical DecnoIc AcId-d2 50mg
An internal standard for the quantification of decanoic acid by GC- or LC-MS
Cayman Chemical ArachIdIc AcId-d2 100mg
An internal standard for the quantification of arachidic acid by GC- or LC-MS
Medchemexpress LLC (S)-malic acid-d3 | 59652-74-3 | MFCD08705100 | 99.0% | 137.11 | C4H3D3O5 | 5mg
(S)-Malic acid-d3 is the deuterium labeled (S)-Malic acid (S)-Malic acid ((S)-2-Hydroxysuccinic acid) is a dicarboxylic acid in naturally occurring form contributes to the pleasantly sour taste of fruits and is used as a food additive[1][2]
Medchemexpress LLC L-ornithine-d2 hydrochloride | 2483831-42-9 | 99.9% | 170.63 | C5H11D2ClN2O2 | 50 MG
L-Ornithine-d2 hydrochloride is a deuterium-labeled analog of L-ornithine hydrochloride supplied as a white to off-white solid for research use. It is used as a stable isotope tracer or internal standard in quantitative analyses by NMR, GC-MS, and LC-MS and is useful in metabolic and biochemical studies involving the urea cycle and nitrogen disposal.
- Deuterium-labeled tracer for quantitative mass spectrometry and NMR.
- High purity (approximately 99.9%) suitable for analytical standards.
- Molecular formula C5H11D2ClN2O2 and molecular weight 170.63.
- Available in multiple pack sizes to support method development and scale-up.
- Solid form with recommended sealed storage away from moisture and light; solvent storage at -80°C (6 months) or -20°C (1 month).
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
Medchemexpress LLC Betaine-d3 chloride | 1219349-47-9 | 98.6% | 156.63 g/mol | C5H9D3ClNO2 | 10 MG
Betaine-d3 chloride is the deuterium-labeled form of betaine chloride intended for use as an isotopic tracer and internal standard in quantitative NMR, GC-MS, and LC-MS analyses for research applications.
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- Reported purity 98.6%.
- Molecular weight 156.63 g/mol.
- Molecular formula C5H9D3ClNO2.
- Available in a 10 mg package suitable for analytical workflows.
- For research use only; not for human or clinical use.
Medchemexpress LLC Balsalazide-d4 | 2714315-25-8 | 361.34 | C17H11D4N3O6 | 10 MG
Balsalazide-d4 is a deuterium-labeled analogue of balsalazide intended for use as an analytical/internal standard and research reagent in biochemical and pharmacological studies, particularly those involving interleukin and STAT3 signaling. It is supplied as a 10 mg solid with documented storage and solubility information to support analytical workflows.
- Deuterium-labeled isotopic standard for analytical assays
- Provided as 10 mg of solid suitable for LC-MS and quantitative analysis
- Molecular formula C17H11D4N3O6; molecular weight 361.34
- Soluble in DMSO at 50 mg/mL; ultrasonic assistance may be required
- Storage guidance: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months)
- Suitable for metabolic tracing, quantitation, and mechanism-of-action studies
Cambridge Isotope Laboratories "CELL FREE" AMINO ACID MIX (20 AA) (U-13C, 97-99%; U-15N, 97-99%), 1 G
"CELL FREE" AMINO ACID MIX (20 AA) (U-13C, 97-99%; U-15N, 97-99%), 1 G
Medchemexpress LLC L-Glutamine-N,N2-15N2 | 204451-48-9 | 148.13 | 25 MG
L-Glutamine-15N2 is the 15N-labeled version of L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid that is abundant throughout the body and involved in many metabolic processes, providing a source of carbons for oxidation in some cells. This product is for research use only and not sold to patients.
- Can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Contains stable heavy isotopes of nitrogen (15N).
- Purity: 99.10%.
- Documentation: data sheet, certificate of analysis, safety data sheet, and handling instructions are available.
- Available in various in-stock sizes.
![Medchemexpress LLC Phenol, 4,4′-[1-(methyl-d3)ethylidene-2,2,2-d3]bis- | 86588-58-1 | 99.7% | 234.32 | 25 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000384190-logo.png-250.jpg){kind=logo}
Medchemexpress LLC Phenol, 4,4′-[1-(methyl-d3)ethylidene-2,2,2-d3]bis- | 86588-58-1 | 99.7% | 234.32 | 25 MG
Bisphenol A-d6 is the deuterium-labeled Bisphenol A. Bisphenol A is a phenolic, organic synthetic compound used in the production of polycarbonate plastics and epoxy resins. It is classified as an endocrine-disrupting compound (EDC) and is associated with various diseases, including cardiovascular diseases, respiratory diseases, diabetes, kidney diseases, obesity, and reproductive disorders.
- 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 for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Revvity Health Sciences Inc Iodine-125 Radionuclide, 10mCi, 10-5M NaOH (pH 8-11), Concentration: >350mCi/mL
Iodine-125 Radionuclide, 10mCi, 10-5M NaOH (pH 8-11), Concentration: >350mCi/mL
Medchemexpress LLC 1,3-diphenylurea-d10 | 108009-46-7 | 99.0% | 222.31 | C13H2D10N2O | 1 MG
1,3-diphenylurea-d10 is the deuterium-labeled (d10) isotopologue of 1,3-diphenylurea, supplied as a high-purity reference standard for analytical and research use. It is intended for use as an internal standard or tracer in mass spectrometry and other isotopic labeling applications.
- High purity (99.0%) suitable for analytical standards.
- Deuterium-labeled isotopologue for use as an internal or tracer standard.
- Available in small milligram pack sizes for research workflows.
- Molecular weight 222.31 and formula C13H2D10N2O for reference.
- Documentation available: COA, SDS, and handling instructions.
- Storage guidance provided for room temperature and frozen solvent conditions.
BIOHIPPO GAL4-TAR-BSD LV
GAL4-TAR-BSD is a transcription factor reporter lentiviral vector designed to monitor transcription factor pathways in living cells This construct delivers a RFP reporter cassette together with a Blasticidin selection marker for generation of stable cell pools The vector is provided as a ready to use Lentivirus preparation pseudotyped with VSV-G for efficient gene delivery and stable genomic integration Each vial provides a nominal titer of 5x10E6 transducing units TU Typical applications include Identification of protein-protein interactions (PPI) and as a reporter in mammalian two-hybrid assay The system is suitable for use with Human/mouse and can support assay development high content screening and mechanism of action studies This product is intended for research use only and is not for diagnostic or therapeutic procedures