Isotopically Labeled Compounds
Medchemexpress LLC L-tyrosine-2,3,5,6-d4 | 62595-14-6 | MFCD00079605 | 98.0% | 185.21 | C9H7D4NO3 | 10 MG
Deuterium-labeled L-tyrosine (L-tyrosine-2,3,5,6-d4) supplied as a 10 mg solid for research use. It is intended for use as an internal standard and tracer in metabolic and isotope-labeling studies and has been reported to inhibit citrate synthase activity in the posterior cortex. Not for human or clinical use.
- Deuterium-labeled internal standard for mass spectrometry and NMR.
- Chemical formula C9H7D4NO3 and molecular weight 185.21 g/mol.
- Purity (NMR) 98.0%.
- Supplied as a 10 mg solid suitable for analytical and tracer studies.
- For research use only; not for human or clinical applications.
Medchemexpress LLC Meglutol-d3 (dicrotalic acid-d3) | 59060-36-5 | MFCD01074174 | 98.0% | 165.16 | C6H7D3O5 | 10 MG
Meglutol-d3 (dicrotalic acid-d3) is the deuterium-labeled analogue of meglutol, intended for use as a tracer or internal standard in quantitative analysis by NMR, GC-MS, or LC-MS. It is a white to off-white solid with high purity and is supplied in small-mass packages for analytical use.
- Deuterium-labeled internal standard for quantitative analysis
- Purity 98.0%
- Molecular weight 165.16
- Soluble in methanol (100 mg/mL; may require ultrasonic)
- Stored as powder at -20°C (long term) or 4°C (short term)
Medchemexpress LLC Flibanserin-d4-1 | 2122830-91-3 | 99.3% | 394.43 g/mol | C20H17D4F3N4O | 10 MG
Flibanserin-d4-1 is a deuterium-labeled analog of flibanserin supplied as a solid research standard for analytical and pharmacokinetic applications. It functions as a 5-HT1A full agonist and a 5-HT2A antagonist and is used as an internal standard or tracer to support quantitative LC-MS and GC-MS methods and metabolic studies.
- Deuterium-labeled internal standard for analytical assays.
- High purity (~99.3%).
- Solid, white to off-white powder form.
- Molecular weight 394.43 g/mol.
- Available as a 10 mg pack.
- Suitable for LC-MS, GC-MS, and pharmacokinetic studies.
Cambridge Isotope Laboratories STEARIC ACID (U-13C18, 98%) 97% CHEMICAL PURITY, 0.25 G
STEARIC ACID (U-13C18, 98%) 97% CHEMICAL PURITY, 0.25 G
Cambridge Isotope Laboratories POTASSIUM CYANIDE (13C, 99%), 5 G, 25909-68-6
POTASSIUM CYANIDE (13C, 99%), 5 G, 25909-68-6
Medchemexpress LLC Cysteamine-d4 hydrochloride | 1219805-04-5 | MFCD08704995 | 99.0% | 117.63 | C2H4D4ClNS | 10 MG
Cysteamine-d4 hydrochloride is the deuterium-labeled hydrochloride salt of cysteamine provided as a research-grade isotopically labeled reagent for analytical and biochemical studies. It is designed for use where deuterium labeling improves detection, quantification, or tracing in laboratory methods.
- Deuterium-labeled analog for isotope tracing and internal standards.
- High purity suitable for analytical applications.
- Defined molecular weight and formula for accurate mass calculations.
- Applicable to mass spectrometry, metabolic profiling, and mechanistic studies.
- Available in small research pack sizes for method development and validation.
Medchemexpress LLC Propantheline-d3 bromide | 64717-35-7 | MFCD01311246 | 99.0% | 451.41 g/mol | C23H27D3BrNO3 | 10 MG
Deuterium-labeled propantheline bromide provided as a high-purity solid for use as a tracer and internal standard in quantitative mass spectrometry and NMR applications.
- Deuterium-labeled tracer for MS and NMR quantitative analysis.
- High purity: 99.0%.
- Molecular formula: C23H27D3BrNO3; molecular weight: 451.41 g/mol.
- Appearance: off-white to light yellow solid.
- Solubility: DMSO ≥ 100 mg/mL; H2O 50 mg/mL (may require ultrasonic).
- Storage: 4°C sealed; in solvent -80°C (6 months) or -20°C (1 month).
- Available in small analytical quantities, e.g., 10 mg pack.
Medchemexpress LLC Bisphenol A-d6 | 86588-58-1 | MFCD00224249 | 99.0% | 234.32 g/mol | C15H10D6O2 | 10 MG
Bisphenol A-d6 is a deuterium-labeled analogue of bisphenol A supplied as a solid analytical standard for use as an internal standard in mass spectrometry and isotopic tracing studies. It is intended for analytical workflows requiring a stable isotope-labeled reference and small laboratory pack sizes.
- Deuterium-labeled internal standard for mass spectrometry.
- Molecular formula C15H10D6O2 and molecular weight 234.32 g/mol.
- High chemical purity (99.0%).
- Available in small pack sizes such as 10 MG for analytical use.
- Recommended storage: powder at -20°C for long-term stability; in solvent at -80°C for extended storage.
Cambridge Isotope Laboratories HOMOVANILLIC ACID (PHENYL-D3, 2,2-D2, 96-98%), 0.1 G
HOMOVANILLIC ACID (PHENYL-D3, 2,2-D2, 96-98%), 0.1 G
Medchemexpress LLC Choline-d13 (chloride) | 352438-97-2 | MFCD01074298 | 99.9% | 152.70 g/mol | C5HD13ClNO | 10 MG
Choline-d13 chloride is the deuterium-labeled analog of choline chloride supplied for laboratory research use as a stable isotope tracer and analytical internal standard. It is provided as a research-grade, high-purity solid with supporting documentation for safe laboratory handling.
- Deuterium-labeled choline chloride suitable for tracer and analytical applications.
- High isotopic/purity level reported at 99.9%.
- Molecular weight approximately 152.70 g/mol, CAS number 352438-97-2.
- Available in small, research-sized quantities (10 MG vial option).
- Manufacturer data sheet and SDS available for handling and safety information.
Medchemexpress LLC Sinapyl alcohol-d3 5mg
Sinapyl alcohol-d3 is the deuterated labeled Sinapyl alcohol (HY-W109812) Sinapyl alcohol is an orally active anti-inflammatory and antinociceptive agent Sinapyl alcohol reduces the expression level of inducible NO synthase and COX-2[1]
Cambridge Isotope Laboratories VITAMIN K2 (MENAQUINONE MK-7) (5,6,7,8-D4, 2-METHYL-D3, 98%), 1 MG
VITAMIN K2 (MENAQUINONE MK-7) (5,6,7,8-D4, 2-METHYL-D3, 98%), 1 MG
Medchemexpress LLC Creatinine-d3 | 143827-20-7 | MFCD00190410 | 99.9% | 116.14 | C4H4D3N3O | 10 MG
Creatinine-d3 is a deuterium-labeled form of creatinine used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It has molecular formula C4H4D3N3O and a molecular weight of 116.14 g/mol. For research use only.
- Deuterated internal standard for accurate quantitation.
- High isotopic and chemical purity (99.9% by LCMS) for reliable results.
- Compatible with NMR, GC-MS, and LC-MS analytical methods.
- Available in small research pack sizes to support analytical workflows.
