Isotopically Labeled Compounds
Medchemexpress LLC Methoxychlor-d6 | 106031-79-2 | 98.2% | 1 MG
Methoxychlor-d6 is a deuterium-labeled Methoxychlor, designed for research use. It serves as a tracer and internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS.
- 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 incorporated into drug molecules for quantitation during drug development
- Potential to affect the pharmacokinetic and metabolic profiles of drugs through deuteration
Medchemexpress LLC Pyrimethanil-d5 | 2118244-83-8 | 99.0% | 1 MG
Pyrimethanil-d5 is the deuterium-labeled version of Pyrimethanil, an anilinopyrimidine and broad-spectrum contact fungicide. It controls Botrytis spp. on various crops by inhibiting the biosynthesis of methionine and other amino acids in *Botrytis cinerea*. It is suitable for research into fungal disease prevention in fruit, vegetable, and ornamental plants that have mold infections.
- Deuterium labeled compound.
- 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 are incorporated for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC DEHP-d4 (Bis(2-ethylhexyl) phthalate-d4) | 93951-87-2 | 99.9% | 50 MG
DEHP-d4 is the deuterium labeled DEHP. DEHP (Bis(2-ethylhexyl) phthalate) is an endogenous metabolite.
- 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 Metolachlor-d6 | 1219803-97-0 | 99.6% | 1 MG
Metolachlor-d6 is the deuterium-labeled form of Metolachlor. Metolachlor is a pre-emergent, selective, chloroacetanilide herbicide used to control various annual grass and broadleaf weeds in corn and other crops. It is a chiral herbicide consisting of four stereoisomers.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical DesoxImetason-d3 1mg
An internal standard for the quantification of desoximetasone by GC- or LC-MS
Medchemexpress LLC Glycerol-d3 | 7325-16-8 | 1 G
Glycerol-d3 is the deuterium labeled Glycerol, utilized in sample preparation and gel formation for polyacrylamide gel electrophoresis. Stable heavy isotopes, like deuterium, are incorporated into drug molecules as tracers for quantitation during drug development.
- Can serve as a tracer
- Can serve as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS
- Deuteration may influence the pharmacokinetic and metabolic profiles of drugs
- For research use only
Medchemexpress LLC Trehalose 6,6'-dimycolate (cord factor) | 61512-20-7 | MFCD18643296 | 97.0% | 2053.4 g/mol | C130H250O15 | 1 MG
Trehalose 6,6′-dimycolate is a mycobacterial cell-wall glycolipid used as a research reagent to model Mycobacterium tuberculosis-induced inflammation and granuloma formation. It modulates innate and adaptive immune responses and is applied in both in vitro and in vivo immunology studies.
- Mimics mycobacterial cord factor activity.
- Induces granuloma formation and inflammatory signaling.
- Modulates macrophage killing and antigen presentation.
- Suitable for in vitro and in vivo immunology research.
- Provided as small-quantity, high-purity material (97.0%).
Cambridge Isotope Laboratories L-Valine (13C5 99% 15N 99%) 0 25 g
L-Valine (13C5 99% 15N 99%) 0 25 g
Medchemexpress LLC Fluorene-d8 | 35782-21-9 | 174.27 | C13H2D8 | 100 MG
Fluorene-d8 is the deuterium-labeled isotopologue of fluorene supplied as an analytical reference standard for laboratory research. It is intended for use in mass spectrometry, tracer studies, and synthetic applications where a deuterium-labeled fluorene is required.
- Deuterium-labeled reference for mass spectrometry and tracer studies.
- Helps improve quantitation accuracy as an internal standard.
- Suitable for analytical method development and validation.
- Useful in synthetic chemistry as a labeled building block.
- Stable molecular formula C13H2D8 and molecular weight 174.27 g/mol.
- Provided in small packaged quantities for laboratory use.
Medchemexpress LLC Ribitol-2-13C (Adonitol-2-13C) | 488-81-3 | 98.0% | 153.14 g/mol | C413CH12O5 | 25 MG
Ribitol-2-13C is a 13C-labelled ribitol provided as a stable isotope tracer for metabolic and biochemical studies, including flux analysis of the pentose phosphate pathway and quantitation by mass spectrometry.
- 13C label at the 2-position.
- Stable isotope tracer for metabolic flux analysis.
- High purity: 98.0%.
- Supplied as a 25 mg powder for small-scale experiments.
- Suitable for mass spectrometry and tracer quantitation workflows.
Cambridge Isotope Laboratories trans-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in acetonitrile-D3 1 2 mL
trans-DCCA (1 carboxyl-13C2 99% 1-D 97%) 100 ug/mL in acetonitrile-D3 1 2 mL
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.
Cambridge Isotope Laboratories Acenaphthylene (13C6 99%) 100 ug/mL in nonane 1 2 mL
Acenaphthylene (13C6 99%) 100 ug/mL in nonane 1 2 mL
Cayman Chemical 3-oxo DeoxycholIc AcId 50mg
A secondary bile acid; a metabolite of deoxycholic acid in C. perfringens