Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Boc-Gly-OH-2-13C,15N 99 atom % 13C, 98 atom % 15N | 145143-01-7 | MFCD01075389 | 100MG
Boc-Gly-OH-2-13C,15N 99 atom % 13C, 98 atom % 15N | Purity: 98% (CP) | Mol Wt: 177.17 | 145143-01-7 | MFCD01075389 | 100MG
Sigma Aldrich Fine Chemicals Biosciences Estrone-2,4,16,16-d4 3-sulfate sodium salt >=95 atom % D, >=99% (CP), contains 35% TRIS-d5 as stabilizer | 285979-80-8 | MFCD01317421 | 100MG
Estrone-2,4,16,16-d4 3-sulfate sodium salt >=95 atom % D, >=99% (CP), contains 35% TRIS-d5 as stabilizer | Purity: >=99% (CP) | Mol Wt: 376.44 | 285979-80-8 | MFCD01317421 | 100MG
Sigma Aldrich Fine Chemicals Biosciences Sodium fumarate-2,3-13C2 99 atom % 13C | 287389-39-3 | MFCD01075569 | 100MG
Sodium fumarate-2,3-13C2 99 atom % 13C | Mol Wt: 162.02 | 287389-39-3 | MFCD01075569 | 100MG
Sigma Aldrich Fine Chemicals Biosciences Toluene-d8 99 atom D10G
Toluene-d8 is a deuterated derivative of toluene. Pyrolytic decomposition of dilute mixtures (concentration range 5-20ppm) of toluene-d8 in argon behind shock waves has been reported to afford various concentrations of hydrogen and deuterium atoms. This pyrolytic reaction was investigated by resonance absorption spectroscopy. It participates as solvent in the time-course 1H-NMR (Proton Nuclear Magnetic Resonance) spectral evaluation of (E)-dimethyl 2-(ferrocenylethynyl)-3-(4-nitrophenylethynyl)fumarate on irradiation with light at 546 and 578nm.
Sigma Aldrich Fine Chemicals Biosciences Diethyl-d10-amine 98 atom % D | 120092-66-2 | MFCD00190422 | 1G
Diethyl-d10-amine 98 atom % D | Purity: 99% (CP) | Mol Wt: 83.2 | 120092-66-2 | MFCD00190422 | 1G
Sigma Aldrich Fine Chemicals Biosciences Benzylamine-15N 98 atom % 15N | 42927-57-1 | MFCD00190515 | 1G
Benzylamine-15N 98 atom % 15N | Purity: 99% (CP) | Mol Wt: 108.15 | 42927-57-1 | MFCD00190515 | 1G
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
Sigma Aldrich Fine Chemicals Biosciences Cyanuric chloride-13C3 99 atom % 13C | 286013-07-8 | MFCD00190370 | 100MG
Cyanuric chloride-13C3 99 atom % 13C | Purity: 99% (CP) | Mol Wt: 187.39 | 286013-07-8 | MFCD00190370 | 100MG
Sigma Aldrich Fine Chemicals Biosciences Pentane-d12 98 atom % D | 2031-90-5 | MFCD00190495 | 5G
Pentane-d12 98 atom % D | Purity: 99% (CP) | Mol Wt: 84.22 | 2031-90-5 | MFCD00190495 | 5G
Cambridge Isotope Laboratories Dimethyl Sulfoxide-d6 (d, 99.9%) +0.05% V/v Tms, 2206-27-1, MFCD00002090, 50 g
Chemical Formula: CD3SOCD3, MW: 84.17, 99.9%, Synonyms: DMSO-D6; Methyl sulfoxide-D6; Hexadeuterodimethyl sulfoxide.
Medchemexpress LLC DL-alanine-d3 | 53795-94-1 | MFCD00084106 | 98.0% | 92.11 g/mol | C3H4D3NO2 | 10 MG
DL-Alanine-d3 is a deuterium-labeled form of the amino acid alanine provided as a solid for analytical and tracer applications. It is used as an internal standard and isotopic tracer in mass spectrometry, metabolomics, and method development where precise quantitation and tracking of alanine are required.
- Deuterium-labeled analog for use as an internal standard.
- High chemical and isotopic purity suitable for quantitative analysis.
- Available in small, premeasured amounts for analytical workflows.
- Suitable for mass spectrometry, metabolomics, and tracer studies.
- Stable solid form for straightforward storage and handling.
Medchemexpress LLC 1,3-propanediol-d6 | 284474-77-7 | MFCD01074057 | 99.3% | 82.13 g/mol | C3H2D6O2 | 5 MG
1,3-Propanediol-d6 is a deuterium-labeled analogue of 1,3-propanediol supplied as an isotope-labeled reagent for research applications. It is used as an internal standard or tracer in analytical techniques such as mass spectrometry and isotope tracing. The compound has formula C3H2D6O2, a molecular weight of 82.13 g/mol, and CAS 284474-77-7; follow recommended storage conditions to preserve isotopic integrity.
- Deuterium-labeled internal standard for analytical assays.
- Molecular formula C3H2D6O2 and molecular weight 82.13 g/mol.
- High isotopic and chemical purity (99.3%).
- Suitable for mass spectrometry and tracer experiments.
- Intended for research use only; not for human consumption.
- Recommended cold storage to maintain stability and isotopic composition.
Medchemexpress LLC Ketotifen-d3 (fumarate) | 1795138-23-6 | 99.23% | 25 MG
Ketotifen-d3 (fumarate) is the deuterium labeled form of Ketotifen fumarate. This compound acts as a second-generation noncompetitive H1-antihistamine and mast cell stabilizer. It is primarily used to prevent asthma attacks and is intended for research purposes only.
- Deuterium labeled compound
- Functions as a noncompetitive H1-antihistamine
- Acts as a mast cell stabilizer
- Can be used as a tracer
- Suitable as an internal standard for quantitative analysis (e.g., NMR, GC-MS, LC-MS)
Medchemexpress LLC Estrone-d4 | 53866-34-5 | 99.5% | 1 MG
Estrone-d4 is the deuterium-labeled version of Estrone (E1), a natural estrogenic hormone. Estrone is a primary endogenous estrogen, produced predominantly by adipose tissue. It is formed through the aromatization of androstenedione in fat cells. Deuterium substitution in drug molecules is used as a tracer for quantitation in drug development and has the potential to influence 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.
- Deuterium substitution can affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Benzyl benzoate-d5 | 347840-01-1 | 99.8% | 50 MG
Benzyl benzoate-d5 is a deuterium-labeled form of Benzyl benzoate. Benzyl benzoate (benzoic acid benzyl ester) is used as a fragrance ingredient in cosmetic products and in research related to scabies and demodex-associated inflammatory skin conditions. It is for research use only.
- Deuterium-labeled compound
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS techniques
- Potential to influence pharmacokinetic and metabolic profiles of drugs