Isotopically Labeled Compounds
Medchemexpress LLC 3-pentanol-d5 | 144032-75-7 | 93.18 g/mol | C5H7D5O | 25 MG
3-pentanol-d5 is the deuterium-labeled analog of 3-pentanol used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It supports analytical workflows that require isotopic labeling for tracing and accurate quantification.
- Deuterium-labeled 3-pentanol for use as a tracer and internal standard.
- Intended for quantitative analysis by NMR, GC-MS, and LC-MS.
- Molecular formula: C5H7D5O.
- Molecular weight: 93.18 g/mol.
- CAS number: 144032-75-7.
- Available pack size: 25 mg.
- Storage: pure form -20°C (3 years); in solvent -80°C (6 months), -20°C (1 month).
Cambridge Isotope Laboratories Oxychlordane (unlabeled) 100 ug/mL in nonane 1 2 mL
Oxychlordane (unlabeled) 100 ug/mL in nonane 1 2 mL
Medchemexpress LLC 2-methylanisole-d3 | 258832-47-2 | ≥98.0% | 125.18 g·mol⁻¹ | C8H7D3O | 100 MG
2-Methylanisole-d3 is the deuterium-labeled isotopologue of 2-methylanisole provided for laboratory research. It is used as an isotopic standard and as a synthetic intermediate in the preparation of compounds with a methylhydroquinone core. For research use only; not for human consumption.
- Isotopic enrichment: 99 atom % D.
- Molecular formula: C8H7D3O.
- Molecular weight: 125.18 g·mol⁻¹.
- Typical chemical purity: ≥98.0%.
- Packaging: 100 mg suitable for analytical and synthetic workflows.
- Intended use: research applications and method development.
![Revvity Health Sciences Inc Estradiol 17 β-D-Glucuronide, [Estradiol-6,7-<sup>3</sup>H(N)]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-509050981.JPG-250.jpg)
Revvity Health Sciences Inc Estradiol 17 β-D-Glucuronide, [Estradiol-6,7-3H(N)]-, 250µCi (9.25MBq)
Estradiol 17 β-D-Glucuronide, [Estradiol-6,7-3H(N)]-, 250µCi (9.25MBq)
Medchemexpress LLC Apalutamide-d4 | 1638885-65-0 | MFCD18384392 | 99.9% | 481.46 g/mol | C21H11D4F4N5O2S | 10 MG
Apalutamide-d4 is a deuterium-labeled analogue of apalutamide supplied as a 10 mg analytical standard for research and analytical applications.
- Deuterium-labeled internal standard for mass spectrometry and analytical assays.
- CAS number 1638885-65-0 for unambiguous identification.
- Molecular formula C21H11D4F4N5O2S; molecular weight 481.46 g/mol.
- High purity: 99.9% suitable for analytical workflows.
- Packaged as a 10 mg quantity appropriate for reference and method development.
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.
Cambridge Isotope Laboratories SODIUM L-LACTATE (3,3,3-D3, 98%) 20% W/W IN H2O, 0.1 G/COMP, 285979-84-2
SODIUM L-LACTATE (3,3,3-D3, 98%) 20% W/W IN H2O, 0.1 G/COMP, 285979-84-2
Cambridge Isotope Laboratories 25-HYDROXYVITAMIN D3 (23,24,25,26,27-13C5, 99%) CHEMICAL PURITY 95%, 1 MG, 63283-36-3
25-HYDROXYVITAMIN D3 (23,24,25,26,27-13C5, 99%) CHEMICAL PURITY 95%, 1 MG, 63283-36-3
Medchemexpress LLC Glycine-2-13C-15N | 91795-59-4 | MFCD00064424 | 98.0% | 77.05 | C13CH515NO2 | 10mg
Glycine-2-13C 15N is the 13C- and 15N-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC Thiamethoxam-d3 | 1294048-82-0 | 99.0% | 5 MG
Thiamethoxam-d3 is the deuterium labeled version of Thiamethoxam, a broad-spectrum neonicotinoid insecticide intended for research use only. Stable heavy isotopes, including deuterium, have been incorporated into drug molecules primarily for quantitation during the drug development process, as deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Can be utilized as a tracer
- Suitable as an internal standard for quantitative analysis using methods such as NMR, GC-MS, or LC-MS
Medchemexpress LLC 1,1,2,2-tetradeuterio-2-(2-methyl-5-nitroimidazol-1-yl)ethanol | 1261392-47-5 | 98.25% | 5 MG
Metronidazole-d4 is a deuterium labeled form of metronidazole, a nitroimidazole antibiotic medication used primarily for anaerobic bacteria and protozoa. This product is for research use only and has not been fully validated for medical applications.
- Deuterium labeled metronidazole
- Can be used as a tracer
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes into drug molecules for quantitation during drug development
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Camptothecin-d5 | 1329616-37-6 | 99.6% | 353.38 | 1 MG
Camptothecin-d5 is the deuterium labeled Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells.
- 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 Mestranol-d2 | 72-33-3 | 99.0% | 1 MG
Mestranol-d2 is the deuterium labeled Mestranol. Mestranol is an inactive proagent that becomes biologically active upon conversion to ethinyl estradiol (EE). It acts as an estrogen receptor agonist and combines with a progestin in vivo. It can be used for the research of menopausal hormone or menstrual disorders.
- Click chemistry reagent for copper-catalyzed azide-alkyne cycloaddition
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes as tracers for quantitation during drug development
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories SODIUM ACETATE (2-13C, 99%), 5 G, 13291-89-9
SODIUM ACETATE (2-13C, 99%), 5 G, 13291-89-9
Medchemexpress LLC L-Tyrosine-d2-2 | 57746-15-3 | 183.20 | 1 MG
L-Tyrosine-d2-2 is the deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.
- 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.