Isotopically Labeled Compounds
Medchemexpress LLC 1,2-dibromoethane-d4 | 22581-63-1 | MFCD00037499 | 99.0% | 191.89 g/mol | C2D4Br2 | 1 G
1,2-dibromoethane-d4 is the deuterium-labeled (d4) isotopologue of 1,2-dibromoethane used as an analytical standard and solvent in research and spectroscopic applications. It provides high isotopic enrichment and chemical purity suitable for NMR, tracer, and synthesis work.
- Deuterium-labeled (d4) isotopologue of 1,2-dibromoethane.
- Isotopic purity ~99 atom % D.
- Assay purity 99.0%.
- Molecular formula C2D4Br2; molecular weight 191.89 g/mol.
- Liquid at ambient temperature; supplied in 1 G packages.
- Intended for research and analytical applications.
Cambridge Isotope Laboratories L-ASPARTIC ACID (3-13C, 98-99%), 0.25 G
L-ASPARTIC ACID (3-13C, 98-99%), 0.25 G
Medchemexpress LLC Thiocolchicine-d3 5mg | 1314417-95-2 | 418.52 | C22H22D3NO5S | 5 MG
Thiocolchicine-d3 is the deuterated analogue of thiocolchicine, a colchicine-site tubulin polymerization inhibitor provided for laboratory research use. It is supplied as a high-purity solid for analytical, tracer, and mechanistic studies.
- Research use only, not for human or veterinary use.
- Deuterated (d3) form for isotopic labeling and tracer experiments.
- CAS 1314417-95-2 for unambiguous identification.
- Purity typically reported at 99.0%.
- Chemical formula C22H22D3NO5S and molecular weight ~418.52 g/mol.
- SDS and COA available from the manufacturer product page.
Medchemexpress LLC Citric acid-d4 | 147664-83-3 | MFCD00209702 | 99.3% | 196.15 | C6H4D4O7 | 10 MG
Citric acid-d4 is the deuterium-labeled form of citric acid supplied as a white to off-white solid. It serves as a stable-isotope reference standard for analytical workflows, including mass spectrometry, NMR, isotopic tracer experiments, and quantitative assays. Molecular formula C6H4D4O7; molecular weight 196.15; purity 99.31%.
- Deuterium labeled (d4) for isotope dilution and tracer studies.
- High purity for reliable quantitation.
- Solid form simplifies weighing and solution preparation.
- Available in small research-sized pack quantities.
- Stable when stored sealed away from moisture and light.
Cambridge Isotope Laboratories PALMITIC ACID (9,9,...16,16,16-D17, 98%) 97% CHEMICAL PURITY, 0.1 G
PALMITIC ACID (9,9,...16,16,16-D17, 98%) 97% CHEMICAL PURITY, 0.1 G
Medchemexpress LLC L-Glutamine-d5 (L-Glutamic acid 5-amide-d5) | 14341-78-7 | 151.18 | 1 MG
L-Glutamine-d5 is a deuterium-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid found abundantly throughout the body and involved in many metabolic processes. It provides a source of carbons for oxidation in some cells.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
![Revvity Health Sciences Inc Methionine, Cell Labeling Grade, L-[35S]-,>600 Ci (22.2 TBq)/mmol, 50 mM Tricine, 10 mM BME, 5 mCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812334.jpg-250.jpg)
Revvity Health Sciences Inc Methionine, Cell Labeling Grade, L-[35S]-,>600 Ci (22.2 TBq)/mmol, 50 mM Tricine, 10 mM BME, 5 mCi
Methionine, Cell Labeling Grade, L-[35S]-,>600 Ci (22.2 TBq)/mmol, 50 mM Tricine, 10 mM BME, 5 mCi
Cambridge Isotope Laboratories CHENODEOXYCHOLIC ACID (2,2,3,4,4,6,6,7,8-D9, 98%), 10 MG
CHENODEOXYCHOLIC ACID (2,2,3,4,4,6,6,7,8-D9, 98%), 10 MG
Cambridge Isotope Laboratories N-(3-AMINOPROPYL) BUTANE-1,4-DIAMINE:3HCL (1,1,2,2,3,3,4,4-D8, 98%) CHEMICAL PURITY 95%, 50 MG, 1173019-26-5
N-(3-AMINOPROPYL) BUTANE-1,4-DIAMINE:3HCL (1,1,2,2,3,3,4,4-D8, 98%) CHEMICAL PURITY 95%, 50 MG, 1173019-26-5
Medchemexpress LLC 2-mercaptoethanol-d6 | 203645-37-8 | 84.17 | C2D6OS | 10mg
2-Mercaptoethanol-d6 is deuterium labeled 2-Mercaptoethanol[1]
Sigma Aldrich Fine Chemicals Biosciences Urea 15N2 98 atom 15N 995G
Urea-15N2 enriched with 15N isotope.
Medchemexpress LLC Bicarbonate-13C sodium | 87081-58-1 | MFCD00084061 | 98.0% | 85.00 | 13CHNaO3 | 50 MG
Bicarbonate-13C sodium is the 13C-enriched form of sodium bicarbonate supplied for laboratory and analytical use. It functions as an inorganic buffering agent and a stable isotope tracer for metabolic, biochemical, and NMR applications. Handle and store under dry conditions to minimize decomposition and preserve isotopic integrity.
- 13C-enriched bicarbonate for isotope tracing and NMR studies
- Provides pH buffering and culture medium stabilization
- Applicable to biochemical assays and metabolic experiments
- Hygroscopic; store sealed and protect from moisture
- Provided in small research pack sizes suitable for laboratory use
Cambridge Isotope Laboratories 1,3-BUTADIENE (D6, 98%) + HYDROQUINONE | 1 L | 1441-56-1
**Gas will be shipped in a Code K-460 lecture bottle. One lecture bottle per each ordered. There is a separate fee for each bottle that will need to be included in the order. Please include qty 1 of part# NC1924736/per each gas ordered.
Medchemexpress LLC Triundecanoin-d5 | >98.0% | 601.95 | C36H63D5O6 | 1mg
Triundecanoin-d5 is the deuterium labeled Triundecanoin
Cayman Chemical Ursocholic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), 10 mg
An internal standard for the quantification of ursocholic acid by GC- or LC-MS