Isotopically Labeled Compounds
Medchemexpress LLC n-Heptyl Alcohol-d15 10mg
n-Heptyl Alcohol-d15 is the deuterium labeled 1-Heptanol[1]
Medchemexpress LLC CH5468924-d4 (Alectinib metabolite M-4-d4) | >98.0% | 460.6 g/mol | C28H28D4N4O2 | 2.5mg
CH5468924-d4 (Alectinib Metabolite M-4-d4) is the deuterium labeled CH5468924
Medchemexpress LLC Deruxtecan-d5 | 00-00-0 | 98.4% | C52H51D5FN9O13 | 10MG
Deruxtecan-d5 is a deuterium-labeled derivative of deruxtecan supplied as an off-white to light yellow solid for use as a tracer or internal standard in quantitative analysis (NMR, GC-MS, LC-MS) and antibody-drug conjugate research. It is highly pure, readily soluble in DMSO, and should be stored cold and protected from moisture and light.
- deuterium-labeled internal standard for quantitative assays.
- high purity: 98.4%.
- solid form, off-white to light yellow.
- soluble in DMSO ≥ 100 mg/mL.
- storage: -20°C; in solvent -80°C for 6 months, -20°C for 1 month.
- suitable for tracer studies and ADC research.
Medchemexpress LLC Diethyltoluamide-d7 | 1219799-37-7 | 98.5% | 198.31 | C12H10D7NO | 10 MG
Diethyltoluamide-d7 is a deuterium-labeled analogue of N,N-diethyl-m-toluamide (DEET) used as an isotope-labeled reference standard for analytical chemistry. It is intended for use as an internal standard in mass spectrometry, calibration, and method validation, supplied in milligram quantities with high isotopic enrichment and purity.
- Deuterium-labeled internal standard (D7) for mass spectrometry.
- High purity (98.5%) suitable for quantitative analysis.
- Molecular weight 198.31 g/mol.
- CAS number 1219799-37-7 for unambiguous identification.
- Supplied in small milligram quantities for analytical workflows.
Cayman Chemical L-MethIonIn-d3 100mg
An internal standard for the quantification of L-methionine by GC- or LC-MS
Medchemexpress LLC Guanidine-d5 (hydrochloride) | 108694-93-5 | 98% | 100 MG
Guanidine-d5 (hydrochloride) is the deuterium labeled Guanidine hydrochloride. Guanidine hydrochloride (Guanidinium chloride), a strong chaotrope, is also a strong denaturant of proteins. This product is for research use only and not for sale to patients. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has potential to influence pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories URIC ACID (1,3-15N2, 98%+), 0.5 G, 62948-75-8
URIC ACID (1,3-15N2, 98%+), 0.5 G, 62948-75-8
Medchemexpress LLC D-Fructose-4-13C | 84270-09-7 | 5 MG
D-Fructose-4-13C is the 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants.
- 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 (Rac)-Cotinine-d3 | 110952-70-0 | 99.9% | 5 MG
(Rac)-Cotinine-d3 is the deuterium-labeled version of (Rac)-Cotinine. It is intended for research use only. The incorporation of stable heavy isotopes such as deuterium into drug molecules can serve as tracers for quantitative analysis during drug development, and has also been noted for its potential to influence the 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.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC 1,3-propanediol-d8 | 285978-25-8 | MFCD01074016 | 98.9% | 84.14 | C3D8O2 | 5 MG
1,3-Propanediol-d8 is the deuterium-labeled isotopologue of 1,3-propanediol used as an internal standard and analytical reference for mass spectrometry, isotope tracing, and other research applications. It has molecular formula C3D8O2, molecular weight 84.14, and CAS 285978-25-8.
- Deuterium-labeled standard for quantitative analysis by GC-MS and LC-MS.
- High isotopic enrichment for accurate isotope tracing experiments.
- High chemical purity suitable for analytical workflows.
- Available in small quantities that are convenient for method development.
- Compatible with common sample preparation and derivatization protocols.
Medchemexpress LLC Nonadecane (Standard) | 629-92-5 | 50 MG
Nonadecane (Standard) is the analytical standard for Nonadecane. This product is intended for research and analytical applications, including its use as a herbicide for controlling weeds in Dendrobium orchids.
- Analytical standard of Nonadecane
- Intended for research and analytical applications
- Can be used as a herbicide for controlling weeds in Dendrobium orchids
- Commonly used in qualitative, quantitative, and methodological research experiments in HPLC, GC, and MS
- Purity: 99.60%
Cambridge Isotope Laboratories DEHYDROEPIANDROSTERONE (DHEA) (16,16-D2, 97%), 0.1 G, 67034-83-7
DEHYDROEPIANDROSTERONE (DHEA) (16,16-D2, 97%), 0.1 G, 67034-83-7
Medchemexpress LLC 1-hexanol-d11 | 2159-18-4 | MFCD08705002 | 99.3% | 113.24 | C6H3D11O | 10 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol supplied for analytical and research applications. It is intended for use as an isotope-labeled reagent or internal standard in mass spectrometry, NMR, and tracer studies, providing spectral clarity and reliable quantitation.
- High isotopic purity supporting accurate mass spectrometry and tracer experiments.
- High chemical purity to minimize interfering signals in analyses.
- Suitable as an internal standard for quantitative workflows.
- Compatible with MS and NMR analytical techniques.
- Available in multiple small pack sizes for method development and routine use.
- Specified storage conditions to preserve long-term stability.
Medchemexpress LLC Progesterone-13C2 | 82938-07-6 | 316.45 | 1 MG
Progesterone-13C2 is the 13C-labeled Progesterone, a steroid hormone that regulates the menstrual cycle and is crucial for pregnancy. It can be used as a tracer or as an internal standard for quantitative analysis by 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.