Isotopically Labeled Compounds
Medchemexpress LLC Ethyl maltol-d5 | 4940-11-8 | 99.0% | 145.17 | 1 MG
Ethyl maltol-d5 is the deuterium labeled Ethyl maltol. Ethyl maltol is an orally active and important food additive and flavor enhancer. It is less toxic to rats and dogs and can enhance copper-mediated cytotoxicity and induce apoptosis in lung epithelial cells. For research use only.
- 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 have potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories Chloroacetic acid (13C2 99%) 0 25 g
Chloroacetic acid (13C2 99%) 0 25 g
Cambridge Isotope Laboratories L-Phenylalanine (13C9 99% 15N 99%) 0 25 g
L-Phenylalanine (13C9 99% 15N 99%) 0 25 g
Cambridge Isotope Laboratories O O-Dimethyl dithiophosphate potassium salt (dimethyl-D6 98%) 2 mg/mL in methanol 1 2 mL
O O-Dimethyl dithiophosphate potassium salt (dimethyl-D6 98%) 2 mg/mL in methanol 1 2 mL
Medchemexpress LLC L-Lysine-13C6,15N2 hydrochloride | 1200447-00-2 | 190.59 | 50 MG
L-Lysine-13C6,15N2 (hydrochloride) is a stable isotope-labeled version of L-lysine hydrochloride, an essential amino acid. It is intended for research use only and not for patient consumption. The unlabeled L-lysine hydrochloride has various benefits, including aiding in the treatment of herpes, improving calcium absorption, reducing illnesses related to diabetes, and enhancing gut health.
- Can be used as a tracer.
- Can serve as an internal standard for quantitative analysis through techniques like NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes of carbon-13 and nitrogen-15.
- Potential to affect pharmacokinetic and metabolic profiles in drug development.
Cayman Chemical Ketotifen-13C-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 2748522-40-7, 1 mg
An internal standard for the quantification of ketotifen by GC- or LC-MS
Medchemexpress LLC Roflumilast-d4 | 1398065-69-4 | C17H10D4Cl2F2N2O3 | 1 MG
Roflumilast-d4 is a deuterium-labeled selective PDE4 inhibitor, primarily used for research. It can be utilized as a tracer or an internal standard for quantitative analysis by methods such as NMR, GC-MS, or LC-MS. Incorporating stable heavy isotopes into drug molecules, such as deuterium, aids in quantitation during drug development and can influence the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Acesulfame-d4 potassium | 1623054-53-4 | 1 MG
Acesulfame-d4 potassium is the deuterium labeled Acesulfame (potassium) (HY-D0195). Acesulfame potassium is an artificial sweetener that affects cognitive functions, potentially by altering neuro-metabolic functions in mice.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cambridge Isotope Laboratories beta-HCH (beta-BHC) (unlabeled) 100 ug/mL in toluene 1 2 mL
beta-HCH (beta-BHC) (unlabeled) 100 ug/mL in toluene 1 2 mL
Cambridge Isotope Laboratories Glycan-O2-13C-Gal4 (galactose-13C6 99%) 500 pmol
Glycan-O2-13C-Gal4 (galactose-13C6 99%) 500 pmol
eMolecules 24404-83-9 | Medchem Express | Glycolithocholic acid (sodium) | 5mg | 758391287 | HY-116374A | MFCD00036744 | 455.615 | C26H42NNaO4
Pharmablock | (pyridin-4-yl)methanol | 100mg | 649809395 | PBYM10333 | 586-95-8 | MFCD00006442 | 109.128 | C6H7NO
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Medchemexpress LLC Chrysene-d12 | 1719-03-5 | 99.7% | 100MG
Chrysene-d12 | 1719-03-5 | 99.7% | 100MG
Medchemexpress LLC Triptolide-d3 | 38748-32-2 | MFCD00210565 | 91.9% | 363.42 g·mol⁻¹ | C20H21D3O6 | 1 MG
Triptolide-d3 (d3) is the deuterium-labeled isotopologue of triptolide supplied as a stable isotope standard for analytical and research applications. It is intended for use as an internal standard or tracer in mass spectrometry and isotopic studies, and is provided in a 1 mg package.
- Deuterium-labeled (d3) isotopologue for internal standard use in mass spectrometry
- Purity 91.9% (>90%)
- Molecular formula C20H21D3O6
- Molecular weight 363.42 g·mol⁻¹
- Package size 1 mg
- Store at -20°C; protect from light; handle under inert atmosphere where indicated
Cayman Chemical AmprenavIr-d4 500ug
An internal standard for the quantification of amprenavir by GC- or LC-MS
Medchemexpress LLC Phenylmethan-d2-ol | 21175-64-4 | MFCD00084124 | 99.0% | 110.15 g/mol | C7H6D2O | 100 MG
Phenylmethan-d2-ol is the deuterium-labeled form of phenylmethanol (benzyl alcohol) used as a stable isotope reagent in analytical and synthetic chemistry. It is provided in small laboratory pack sizes for use in tracer studies, method development, and isotopic labeling workflows.
- Deuterium-labeled benzyl alcohol for tracer and standard applications.
- High chemical purity and isotopic labeling (99.0%).
- Available in small milligram pack sizes suitable for analytical workflows.
- Suitable as an internal standard for mass spectrometry and quantitative analysis.
- Compatible with standard organic synthesis and labeling procedures.