Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences 1-Propanol-1-13C 99 atom % 13C | 84615-47-4 | MFCD00145006 | 1G
1-Propanol-1-13C 99 atom % 13C | Mol Wt: 61.09 | 84615-47-4 | MFCD00145006 | 1G
Medchemexpress LLC D-(+)-talose-13C-1 | 83379-36-6 | 99.0% | 181.15 g/mol | C6H12O6 (13C-labeled at C-1) | 50 MG
D-(+)-Talose-13C-1 is the carbon-13 labeled isotopologue of D-(+)-talose designed for use as a tracer and internal standard in analytical and metabolic studies. It is supplied as a high-purity, stable isotope reagent suitable for isotope-dilution mass spectrometry, NMR, and other analytical applications.
- 13C label at carbon-1 for precise isotope tracing
- High purity: 99.0%
- Molecular weight 181.15 g/mol
- White to off-white solid, convenient for storage and handling
- Suitable as tracer and internal standard for MS and NMR workflows
- Available in small quantities for analytical applications
Cambridge Isotope Laboratories 1-Palmitoyl-2-oleoyl-SN-glycero-3-phosphocholine (fatty acids-D63 97% 50-60% Alpha vinyl carbons) 0 05 g
1-Palmitoyl-2-oleoyl-SN-glycero-3-phosphocholine (fatty acids-D63 97% 50-60% Alpha vinyl carbons) 0 05 g
Medchemexpress LLC 1-bromoundecane-d4 | 1219802-82-0 | 98.8% | 50 MG
Deuterium-labeled 1-bromoundecane (1-bromoundecane-d4) is supplied as a stable isotope standard for analytical and tracer applications. High purity and precise isotopic labeling make it suitable as an internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- Deuterium-labeled isotopologue of 1-bromoundecane.
- High purity: 98.8%.
- Molecular formula C11H19D4Br.
- Molecular weight 239.23 g/mol.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS.
- Available in 50 MG pack size.
Cambridge Isotope Laboratories VITAMIN K2 (MENAQUINONE MK-4) (5,6,7,8-D4, 2-METHYL-D3, 98%), 1 MG
VITAMIN K2 (MENAQUINONE MK-4) (5,6,7,8-D4, 2-METHYL-D3, 98%), 1 MG
Medchemexpress LLC 4-amino-exatecan-d5 | 00-00-0 | 98.6% | C23H16D5N3O4 | 10MG
(4-NH2)-Exatecan-d5 is the deuterium-labeled form of (4-amino) exatecan, a topoisomerase inhibitor derivative of exatecan intended for research use. It is commonly used as a building block in antibody-drug conjugate synthesis and as a labeled tracer or internal standard for quantitative analytical methods.
- Deuterium-labeled analog for analytical studies.
- Suitable for synthesis of antibody-drug conjugates.
- Usable as tracer or internal standard for NMR, GC-MS, and LC-MS.
- High purity (98.6%) for reproducible results.
- Molecular formula C23H16D5N3O4; molecular weight 408.46.
Medchemexpress LLC Urea-13C,15N2 | 58069-83-3 | 99.9% | 63.03 | 5 MG
Urea-13C,15N2 is the 13C and 15N labeled Urea, which functions as a powerful protein denaturant through direct and indirect mechanisms. It also acts as a potent emollient and keratolytic agent, and is utilized as a diuretic. It is widely applied in fertilizers as a nitrogen source and serves as an important raw material for the chemical industry. Blood urea nitrogen (BUN) is used to evaluate renal function.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated into drug molecules for quantitation during drug development.
Cambridge Isotope Laboratories VITAMIN B3 (NICOTINIC ACID) (D4, 98%), 5 MG, 66148-15-0
VITAMIN B3 (NICOTINIC ACID) (D4, 98%), 5 MG, 66148-15-0
Medchemexpress LLC Propantheline-d3 bromide | 64717-35-7 | 99.0% | 1 MG
Propantheline-d3 (bromide) is a deuterium-labeled version of Propantheline bromide. Propantheline bromide is an antimuscarinic agent used to treat hyperhidrosis, cramps or spasms of the stomach, intestines, or bladder, and enuresis.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes have potential to affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC 1,2-dibromoethane-d4 | 22581-63-1 | MFCD00067676 | >99.0% | 191.88 g/mol | C2D4Br2 | 250 MG
1,2-Dibromoethane-d4 is the deuterium-labeled isotopologue of 1,2-dibromoethane used as an analytical standard and reagent. It provides a mass-shifted analog for mass spectrometry, tracer studies, and synthetic applications where deuterium labeling is required.
- High isotopic purity suitable for analytical use.
- Molecular formula C2D4Br2 and molecular weight 191.88 g/mol.
- CAS number 22581-63-1 for unambiguous identification.
- Supplied in small, laboratory-scale quantity (250 mg).
- Commonly used as an internal standard for GC-MS and LC-MS.
- Useful for tracer studies and deuterium-labeling in synthesis.
- Handle as a hazardous laboratory chemical and follow SDS recommendations.
![Revvity Health Sciences Inc L-[3,4-<sup>3</sup>H(N)]-Glutamine,>97%, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811077.jpg-250.jpg)
Revvity Health Sciences Inc L-[3,4-3H(N)]-Glutamine,>97%, 250µCi (9.25MBq)
L-[3,4-3H(N)]-Glutamine,>97%, 250µCi (9.25MBq)
Medchemexpress LLC L-tyrosine-d3 | 71939-39-4 | 99.0% | 184.21 g/mol | C9H8D3NO3 | 10 MG
L-Tyrosine-d3 is the deuterium-labeled form of L-tyrosine supplied as a solid stable isotope standard for analytical and research use. It is used as a tracer and internal standard in quantitative methods such as NMR, GC-MS, and LC-MS, and may be used in metabolic studies involving citrate synthase activity in the posterior cortex.
- Deuterium-labeled tracer and internal standard for NMR, GC-MS, and LC-MS.
- High purity (≈99.0%) suitable for analytical applications.
- Solid, white to off-white appearance for easy handling.
- Storage: powder stable at -20°C (3 years) and 4°C (2 years); in solvent store at -80°C (6 months) or -20°C (1 month).
- Molecular weight 184.21 g/mol; formula C9H8D3NO3.
Sigma Aldrich Fine Chemicals Biosciences Ammonium 15N chloride 98 a50G
Ammonium 15N chloride 98 a50G
Medchemexpress LLC DL-Aspartic acid-d3 | 14341-75-4 | MFCD00144167 | 99.6% | 136.12 g/mol | C4H4D3NO4 | 10 MG
DL-Aspartic acid-d3 is a deuterium-labeled form of DL-aspartic acid used as a stable isotope tracer in biochemical and pharmacological research. Supplied as a white to off-white solid in small research pack sizes, it supports studies of amino acid metabolism, prodrug design targeting colon tissues, and inflammatory condition research.
- Deuterium-labeled tracer suitable for metabolic and pharmacokinetic studies.
- High isotopic and chemical purity for accurate analytical results.
- Provided as a solid, white to off-white powder for convenient handling.
- Available in small research pack sizes for laboratory-scale experiments.
- Stable under recommended storage conditions for reliable long-term use.
Medchemexpress LLC Levosulpiride-d3 | 124020-27-5 | 99.8% | 1 MG
Levosulpiride-d3 is the deuterium labeled Levosulpiride, an (S)-enantiomer of sulpiride that acts as a D2 receptor antagonist and atypical antipsychotic agent of the benzamide class. This compound is for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes have been incorporated into drug molecules for quantitation during drug development.