Isotopically Labeled Compounds
Medchemexpress LLC Progesterone-d9 | 15775-74-3 | 323.52 | 1 MG
Progesterone-d9 is a deuterium-labeled version of Progesterone, a steroid hormone vital for regulating the menstrual cycle and pregnancy. Intended for research use only, it can be used as a tracer or an internal standard in quantitative analysis. Deuteration, the incorporation of stable heavy isotopes, can influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer in research applications
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeling can impact pharmacokinetic and metabolic profiles of drugs
- For research use only, not for patient use
Medchemexpress LLC L-lysine-13C6,15N2 hydrochloride | 1200447-00-2 | 190.59 | 5 MG
L-Lysine-13C6,15N2 (hydrochloride) is the 13C- and 15N-labeled L-Lysine hydrochloride. L-lysine hydrochloride is an essential amino acid for humans with various benefits including treating herpes, increasing calcium absorption, reducing diabetes-related illnesses and improving gut health.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Treats herpes.
- Increases calcium absorption.
- Reduces diabetes-related illnesses.
- Improves gut health.
Medchemexpress LLC L-Leucine-d3 | 87828-86-2 | 134.19 | 5 MG
L-Leucine-d3 is the deuterium labeled L-Leucine, an essential branched-chain amino acid (BCAA) that activates the mTOR signaling pathway. Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during drug development. Deuteration has gained attention because of its potential to affect 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 Methoxyfenozide-d9 | 2469014-53-5 | 99.0% | 377.52 g/mol | C22H19D9N2O3 | 10 MG
Methoxyfenozide-d9 is a deuterium-labeled analytical standard of methoxyfenozide supplied as a white to off-white solid. It is intended for use as an internal standard in quantitative analysis and method development where isotopically labeled analogs improve measurement accuracy and precision.
- Deuterium-labeled (d9) analog for isotope-dilution methods.
- High purity suitable for analytical use.
- High isotopic enrichment for accurate mass discrimination.
- Stable solid form with recommended cold storage for longevity.
- Available in a 10 mg package for small-scale analytical workflows.
Sigma Aldrich Fine Chemicals Biosciences Acetonitrile-d3 >=99.8 atom % D | 2206-26-0 | MFCD00001881 | 10G
Acetonitrile-d3 >=99.8 atom % D | Purity: >=99% (CP) | Mol Wt: 44.07 | 2206-26-0 | MFCD00001881 | 10G
Medchemexpress LLC (2S)-Gemcitabine-13C,15N2 hydrochloride | 1262897-74-4 | 99.6% | C813CH12ClF2N15N2O4 | 1 MG
(2S)-Gemcitabine-13C,15N2 hydrochloride is a 13C and 15N labeled version of (2S)-Gemcitabine hydrochloride. It is intended for research use only. Stable heavy isotopes, such as those incorporated into this drug molecule, are used as tracers 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.
Cambridge Isotope Laboratories Potassium Nitrate (15n+) 1gm-1 Gram
Potassium Nitrate (15n+) 1gm-1 Gram
Sigma Aldrich Fine Chemicals Biosciences L-Tryptophan-15N2 95 atom % 15N, 95% (CP) | 204634-20-8 | MFCD00209799 | 250MG
L-Tryptophan-15N2 95 atom % 15N, 95% (CP) | Purity: 95% (CP) | Mol Wt: 206.21 | 204634-20-8 | MFCD00209799 | 250MG
Medchemexpress LLC Clothianidin-d3 | 1262776-24-8 | MFCD17019117 | 252.70 g/mol | C6H8ClN5O2S | 5 MG
Clothianidin-d3 is a deuterium-labeled analogue of the neonicotinoid insecticide clothianidin, provided as a 5 mg analytical reference standard for use as an internal standard or reference in mass spectrometry, residue, and trace analysis.
- Isotopically labeled with three deuterium atoms (d3) for accurate mass spectrometry quantification.
- Intended for use as an analytical reference standard and internal standard in LC-MS/MS or GC-MS analyses.
- Provided as a small, neat solid suitable for preparing calibration standards and spike recoveries.
- CAS 1262776-24-8 identifies the deuterated compound for reference in analytical workflows.
- Useful for pesticide residue analysis and trace-level quantification in environmental and food matrices.
Medchemexpress LLC Tridecanoic acid-d25 | 202529-03-1 | 100mg
Tridecanoic acid-d25 is the deuterium labeled Tridecanoic acid Tridecanoic acid (N-Tridecanoic acid) a 13-carbon medium-chain saturated fatty acid can serve as an antipersister and antibiofilm agent that may be applied to research bacterial infections Tridecanoic acid inhibits Escherichia coli persistence and biofilm formation[1]
Cambridge Isotope Laboratories Chloroform-D(D,99.8%)-Silver Foil, 865-49-6, MFCD00000827, 100 g
Chloroform-D(D,99.8%)-Silver Foil, 865-49-6, MFCD00000827, 100 g
Sigma Aldrich Fine Chemicals Biosciences Dibutyl phthalate-3,4,5,6-d4 98 atom % D | 93952-11-5 | MFCD00144148 | 25MG
Dibutyl phthalate-3,4,5,6-d4 98 atom % D | Mol Wt: 282.37 | 93952-11-5 | MFCD00144148 | 25MG
Medchemexpress LLC L-proline-2,5,5-d3 | 65807-22-9 | MFCD16039492 | 99.6% | 118.15 | C5H6D3NO2 | 50mg
L-Proline-d3 is the deuterium labeled L-Proline L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins