Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Stearic acid-1-13C 99 atom % 13C | 85541-42-0 | MFCD00002753 | 1G
Stearic acid-1-13C 99 atom % 13C | Purity: 99% (CP) | Mol Wt: 285.47 | 85541-42-0 | MFCD00002753 | 1G
Medchemexpress LLC Mexiletine-d6 hydrochloride | 1329835-60-0 | 99.9% | C11H12D6ClNO | 1 MG
Mexiletine-d6 hydrochloride is a deuterium labeled Mexiletine hydrochloride. It acts as a Class IB antiarrhythmic and a non-selective voltage-gated sodium channel blocker.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Vitamin D3-d7 | 1627523-19-6 | C27H37D7O | 500 UG
Vitamin D3-d7 is a deuterium-labeled form of Vitamin D3 (Cholecalciferol), a naturally occurring vitamin known to induce cell differentiation and prevent the proliferation of cancer cells. It incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules, primarily as tracers for quantitation during drug development, with potential to influence pharmacokinetic and metabolic profiles.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC L-Xylose-2-13C | 478506-63-7 | 99.0% | C413CH10O5 | 100 MG
L-Xylose-2-13C is the 13C labeled L-Xylose. L-Xylose (L-(-)-Xylose) is a rare sugar and the levorotatory form of Xylose. It can be used as a raw material for the synthesis of various drugs and bioactive molecules.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC L-Xylose-2-13C | 478506-63-7 | 99.0% | C413CH10O5 | 1 MG
L-Xylose-2-13C is the 13C labeled L-Xylose. L-Xylose is a rare sugar and the levorotatory form of Xylose. This compound serves as a raw material for the synthesis of various drugs and bioactive molecules. It is intended for research use only.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process.
Medchemexpress LLC Gepirone-d8 | 2749331-28-8 | 98.0% | 5 MG
Gepirone-d8 is the deuterium-labeled isotopologue of gepirone supplied as a stable-isotope reference standard for analytical and pharmacokinetic studies.
- Deuterium-labeled internal standard for gepirone.
- Intended for use in mass spectrometry and pharmacokinetic studies.
- Molecular formula C19H21D8N5O2, molecular weight 367.52 g/mol.
- Purity 98.0% (reported).
- CAS number 2749331-28-8.
- Soluble in DMSO; provided as a 5 mg solid.
Cayman Chemical LImaprost-d3 500ug
An internal standard for the quantification of limaprost by GC- or LC-MS
Medchemexpress LLC (±)-Nornicotine-d4 | 66148-18-3 | 152.23 | 100 MG
(±)-Nornicotine-d4 is the deuterium labeled (±)-Nornicotine, a major metabolite of Nicotine. It functions as a partial nAChRs agonist, specifically activating receptor subtypes containing α7 and α6 subunits. This compound is suitable for research applications in various fields.
- Disrupts β-catenin and ZO-1
- Induces F-actin depolymerization
- Supports self-administration behavior
- Applicable in research for atherosclerosis, Alzheimer's disease, and schizophrenia
Sigma Aldrich Fine Chemicals Biosciences Acetyl chloride-13C2 99 atom % 13C | 89186-79-8 | MFCD00000720 | 250MG
Acetyl chloride-13C2 99 atom % 13C | Purity: 99% (CP) | Mol Wt: 80.48 | 89186-79-8 | MFCD00000720 | 250MG
Medchemexpress LLC Hexaenoic acid-d6 1mg | 2692624-21-6 | 502.84 | C34H50D6O2 | 1 MG
Hexaenoic acid-d6 is the deuterium-labeled analog of hexaenoic acid supplied as a colorless oil for use as a stable isotope internal standard in analytical and biochemical research. It provides defined isotopic labeling and high chemical purity to support accurate quantitation by LC-MS and related methods.
- Deuterium-labeled internal standard for LC-MS quantitation.
- High chemical and isotopic purity for reliable results.
- Supplied as an oil for convenient handling and formulation.
- Recommended storage conditions preserve stability in solvent and neat forms.
- Suitable for studies of very long chain polyunsaturated fatty acids.
eMolecules Malonic Acid-2-13C | 55514-11-9 | MFCD00002709 | 100mg
Toronto Research Chemicals | Malonic Acid-2-13C | 100mg | 483419360 | M158008 | | 55514-11-9 | MFCD00002709 | 105.053 | C3H4O4
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Medchemexpress LLC 1-bromoundecane-d4 | 1219802-82-0 | 98.8% | 5 MG
1-Bromoundecane-d4 is the deuterium-labeled analogue of 1-bromoundecane supplied as an isotope-labeled standard for analytical and research use.
- Isotope-labeled tracer and internal standard for analytical applications.
- CAS 1219802-82-0.
- Molecular formula C11H19D4Br.
- Molecular weight 239.23 Da.
- Purity 98.8% (as listed).
- Available in small pack sizes such as 5 mg.