Isotopically Labeled Compounds
Medchemexpress LLC 1-Bromotridecane-d4 25mg
1-Bromotridecane-d4 is the deuterium labeled 1-Bromotridecane[1]
Medchemexpress LLC Dxd-d5 (Exatecan-d5 derivative for ADC) | 1599440-33-1 | 98.9% | 498.51 | 1 ML
Dxd-d5 is a deuterium labeled Dxd, which is a potent DNA topoisomerase I inhibitor with an IC50 of 0.31 μM. It is used as a conjugated drug of HER2-targeting ADC (DS-8201a).
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can influence the pharmacokinetic and metabolic profiles of drugs.
- Intended for research use only.
Medchemexpress LLC Boc-Leu-OH H2O-d3 50mg
Boc-Leu-OH H2O-d3 is the deuterium labeled Boc-Leu-OH H2O[1]
Medchemexpress LLC Propan-2-amine-d6 h 25mg
Propan-2-amine-d6 hydrochloride is the deuterium labeled Propan-2-amine[1]
Medchemexpress LLC L-valine (13C5,15N) | 202407-30-5 | MFCD00144708 | 98.0% | 123.10 g·mol⁻1 | 13C5H11 15N O2 | 10 MG
L-valine labeled with five 13C atoms and one 15N atom, supplied as a white to off-white powder for analytical and tracer applications. It is intended for use in mass spectrometry, metabolic labeling, SILAC, and other experiments requiring isotopically labeled amino acids. Store the powder at low temperature and follow solvent storage guidelines for solutions.
Cayman Chemical L-ThreonIn-d2 1mg
An internal standard for the quantification of L-threonine by GC- or LC-MS
Cayman Chemical ThymIdIn-d4 5mg
An internal standard for the quantification of thymidine by GC- or LC-MS
Cayman Chemical Methomyl-d3 1mg
An internal standard for the quantification of methomyl by GC- or LC-MS
Medchemexpress LLC 6-Mercaptopurine-13C2,15N | 1190008-04-8 | 96.0% | 155.16 | 1 MG
6-Mercaptopurine-13C2,15N is a 13C- and 15N-labeled version of 6-Mercaptopurine, a purine analogue that functions as an antagonist of endogenous purines and has been widely utilized as an antileukemic and immunosuppressive agent. This labeled compound is intended for research use only and is not sold to patients. Stable heavy isotopes like those in this product have been incorporated into drug molecules for quantitation during drug development, with deuteration specifically noted for its potential impact on pharmacokinetic and metabolic profiles of drugs.
- 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 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
Medchemexpress LLC Nε-(1-carboxymethyl)-L-lysine-d4 | 936233-18-0 | MFCD04114278 | 99.8% | 208.25 g/mol | C8H12D4N2O4 | 500 UG
CML-d4 is a deuterium-labeled derivative of Fmoc-L-lysine (Boc)-OH used as a stable isotope internal standard and tracer for analytical and metabolic studies. It is supplied as a white to off-white solid with high chemical and isotopic purity, and is intended for quantitative LC-MS, NMR, and related research applications.
- High chemical and isotopic purity suitable for analytical standards.
- Useful as an internal standard for quantitative LC-MS and NMR.
- Supplied as a stable solid with recommended cold storage for long-term stability.
- Analytical data, including certificate of analysis and elemental analysis, available for batches.
Medchemexpress LLC Monomethyl auristatin E-d8 | 2070009-72-0 | MFCD28386277 | 99.3% | 726.03 | C39H59D8N5O7 | 10 MG
MMAE-d8 is a deuterated isotopologue of monomethyl auristatin E, a potent mitotic inhibitor that disrupts microtubule dynamics. The deuterium-labeled compound is designed for use as an analytical standard, tracer, or internal standard in antibody-drug conjugate research, mass spectrometry, and pharmacokinetic studies. Supplied as a high-purity solid for laboratory use.
- Deuterated isotopologue for analytical and tracer applications.
- Potent tubulin inhibitor useful as an ADC payload reference.
- High reported purity suitable for sensitive assays.
- Available in small milligram pack sizes for research workflows.
- Supplied as a stable solid for accurate dosing and handling.
Medchemexpress LLC L-Xylose-2-13C | 478506-63-7 | 99.0% | C₄¹³CH₁₀O₅ | 25 MG
L-Xylose-2-13C is the 13C labeled L-Xylose. L-Xylose is a rare sugar and the levorotatory form of Xylose. It can be utilized as a raw material for the synthesis of various drugs and bioactive molecules. Stable heavy isotopes of elements such as hydrogen and carbon have been integrated into drug molecules for use as tracers for quantitation during the drug development process.
- Serves as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories METHACETIN (METHOXY-13C, 99%), 10 G, 72156-70-8
METHACETIN (METHOXY-13C, 99%), 10 G, 72156-70-8
Cambridge Isotope Laboratories LAURIC ACID (1-13C, 99%), 5 G, 93639-08-8
LAURIC ACID (1-13C, 99%), 5 G, 93639-08-8