Other Solvents
Medchemexpress LLC Spermine-d20 | 71-44-3 | 98.5% | 222.46 g/mol | C10H6D20N4 | 1 MG
Spermine-d20 is a deuterium-labeled isotopologue of spermine used as a stable isotope tracer or internal standard for quantitative NMR, GC-MS, and LC-MS analyses. It provides a mass-shifted analog for accurate quantitation in analytical and tracer studies.
- Purity 98.47%.
- Molecular formula C10H6D20N4; molecular weight 222.46 g/mol.
- Used as a tracer or internal standard for NMR, GC-MS, and LC-MS quantitation.
- Appearance white to off-white solid.
- Storage: powder -20°C (3 years); in solution -80°C (6 months), -20°C (1 month).
- Typical analytical pack size available: 1 mg.
Medchemexpress LLC Mequinol-d4 (4-methoxyphenol-d4) | 126840-02-6 | 128.16 | C7H4D4O2 | 10 MG
Mequinol-d4 is the d4 isotopologue of 4-methoxyphenol supplied as a 10 mg powder for research use. It is intended as a stable isotope reference standard and analytical reagent for tracer studies, method development, and mass spectrometry applications. For research use only; not for human or clinical use.
- Deuterium-labeled reference standard for analytical applications.
- Suitable as an internal standard for mass spectrometry and tracer studies.
- Supplied as a 10 mg powder for laboratory use.
- Molecular weight 128.16; chemical formula C7H4D4O2.
- Recommended storage: powder -20°C; in solvent -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Clemizole-d4 | 442-52-4 | 99.8% | 329.86 | C19H16D4ClN3 | 10 MG
Clemizole-d4 is a deuterium-labeled analogue of clemizole supplied as a high-purity solid for use as an internal standard and tracer in quantitative analytical methods. It is suitable for studies involving histamine H1 receptor activity and for research into HCV replication pathways, and is prepared to support reproducible mass spectrometry and NMR measurements.
- Used as an internal standard and tracer for NMR, GC-MS, and LC-MS analyses.
- High purity (99.82%) suitable for quantitative work.
- Molecular weight 329.86; formula C19H16D4ClN3.
- White to off-white solid with recommended frozen storage for long-term stability.
- Soluble in DMSO at 100 mg/mL; may require warming and sonication.
- Intended for research use only; not for human or diagnostic use.
Medchemexpress LLC Choline-d4 chloride | 285979-70-6 | 99.7% | 143.65 | C5H10D4ClNO | 10 MG
Choline-d4 chloride is the deuterium-labeled form of choline chloride intended for research and analytical applications. It is a quaternary ammonium salt and a substrate for choline acetyltransferase, commonly used as an internal standard or tracer in mass spectrometry and metabolic studies. This material is supplied for research use only and is accompanied by supporting documentation for quality and safety.
- Deuterium-labeled tracer for analytical and metabolic studies.
- Suitable as an internal standard for LC-MS/MS quantitation.
- Quaternary ammonium salt chemistry compatible with aqueous workflows.
- Provided with datasheet, SDS, and COA for lot-specific information.
- Available in small microgram/milligram pack sizes for analytical use.
Medchemexpress LLC Pyraclostrobin-d6 | 99.9% | 393.85 g/mol | C19H12D6ClN3O4 | 1 MG
Pyraclostrobin-d6 is the deuterium-labeled isotopologue of the fungicide pyraclostrobin, supplied as a high-purity research standard for analytical and tracer applications. It is intended for use as an internal standard in mass spectrometry, quantitative analysis, and metabolic tracing studies.
- Deuterium-labeled internal standard for pyraclostrobin.
- High purity: 99.9%.
- Chemical formula C19H12D6ClN3O4; molecular weight 393.85 g/mol.
- Supplied as a 1 mg powder for analytical use.
- Storage guidance: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Amantadine-d6 | 1219805-53-4 | MFCD19704894 | 98.1% | 157.29 | C10H11D6N | 10 MG
Amantadine-d6 is a deuterium-labeled analogue of amantadine supplied as a stable isotope standard for research and analytical applications, including mass spectrometry, metabolic, and pharmacokinetic studies.
- Deuterium-labeled (d6) amantadine for stable isotope applications.
- High chemical and isotopic purity (98.1%).
- Molecular formula C10H11D6N; molecular weight 157.29.
- Suitable as an internal standard for LC-MS/MS and other analytical methods.
- Available in small-mass packaging for analytical workflows (e.g., 10 MG).
Medchemexpress LLC Sotalol-d6 hydrochloride | 1246820-85-8 | 98.0% | 314.86 | C12H15D6ClN2O3S | 10 MG
Sotalol-d6 hydrochloride is the deuterium-labeled isotopologue of sotalol hydrochloride provided as the hydrochloride salt for use as a stable-isotope reference standard in analytical and pharmacokinetic research. The deuterated compound is intended for tracer, quantitation, and internal standard applications in LC-MS workflows.
- Deuterium-labeled internal standard for LC-MS quantitation.
- Hydrochloride salt form for stability and solubility.
- High purity (≈98.0%) suitable for analytical use.
- Suitable for pharmacokinetic and tracer studies.
- Available in small reference pack sizes (for example, 10 mg).
Medchemexpress LLC Pentoxifylline-d5 | 1185995-18-9 | 99.9% | 283.34 | C13H13D5N4O3 | 10 MG
Pentoxifylline-d5 is the deuterated analogue of pentoxifylline supplied for analytical and research use as an internal standard and tracer. It is intended for quantitative bioanalytical and pharmacokinetic studies and is compatible with NMR, GC-MS, and LC-MS methods.
- Deuterated internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS assays.
- High isotopic and chemical purity for accurate quantitation.
- Provided in milligram-scale quantities for analytical workflows.
- Useful in pharmacokinetic and tracer studies.
eMolecules 16738-20-8 | 1-(2,4-Dimethylphenyl)-2-thiourea | Oakwood Chemical | MFCD00041164 | 180.270 | C9H12N2S | 98.000 | Cc1ccc(NC(N)=S)c(C)c1 | 1g | 537677138
1-(2,4-Dimethylphenyl)-2-thiourea | Oakwood Chemical | 16738-20-8 | MFCD00041164 | 180.270 | C9H12N2S | 98.000 | Cc1ccc(NC(N)=S)c(C)c1 | 1g | 537677138
Medchemexpress LLC Calcitriol-d6 | 78782-99-7 | MFCD15071365 | 99.3% | 422.67 | C27H38D6O3 | 10 MG
Calcitriol-d6 is the deuterium-labeled form of calcitriol (1,25-dihydroxyvitamin D3) used as an isotopically labeled internal standard in research and quantitative analysis.
- Deuterium-labeled (d6) analog of calcitriol.
- Intended for use as an internal standard for LC-MS or GC-MS quantification.
- High chemical purity suitable for analytical applications.
- Molecular formula C27H38D6O3; molecular weight 422.67.
Cambridge Isotope Laboratories Phenol-D6 (D, 98%), 13127-88-3, MFCD00002144, 5g
Molecular Formula C6D6O, Chemical Purity 98%, Molecular Weight 100.149
Medchemexpress LLC Estriol-d2 | 53866-32-3 | 98.5% | 1 MG
Estriol-d2 is the deuterium labeled form of Estriol. It acts as an antagonist of the G-protein coupled estrogen receptor in estrogen receptor-negative breast cancer cells. This compound is suitable for use as a tracer and as an internal standard for quantitative analysis by techniques such as NMR, GC-MS, or LC-MS.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
- Deuterium labeled Estriol
- Antagonist of G-protein coupled estrogen receptor
- Molecular formula: C18H22D2O3
- Molecular weight: 290.39
- Purity: 98.47%
- Appearance: Solid, white to off-white
Medchemexpress LLC Flumequine-13C3 | 1185049-09-5 | 1 MG
Flumequine-13C3 is the 13C3 labeled Flumequine. It is a quinolone antibiotic that acts as a topoisomerase II inhibitor, with an IC50 of 15 μM (3.92 μg/mL).
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Applicable in isotope-labeled compounds research
- Suitable for metabolic flux analysis
- Used in therapeutic drug monitoring
Cambridge Isotope Laboratories DIETHYLSTILBESTROL (CIS/TRANS MIX) (RING-3,3',5,5'-DIETHYL-1,1,1',1'-D8, 98%), 0.1 G, 91318-10-4
DIETHYLSTILBESTROL (CIS/TRANS MIX) (RING-3,3',5,5'-DIETHYL-1,1,1',1'-D8, 98%), 0.1 G, 91318-10-4
Cambridge Isotope Laboratories 501630918
DEUTERIUM HYDRIDE (D, 97%), 30 L, 13983-20-5. **This item is shipped in a CODE U-1, 1L ALUMINUM CYLINDER. The fee for the cylinder will need added to the order as a separate charge, per each. Please include part# NC1912543 to your order.