Isotopically Labeled Compounds
![Revvity Health Sciences Inc U-69,593, [Phenyl-3,4-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810503.jpg-250.jpg)
Revvity Health Sciences Inc U-69,593, [Phenyl-3,4-3H]-, 250µCi (9.25MBq)
U-69,593, [Phenyl-3,4-3H]-, 250µCi (9.25MBq)
Medchemexpress LLC Glycolithocholic aci 100mg | 474-74-8 | 433.62 | C26H43NO4 | 100 MG
Glycolithocholic acid (lithocholylglycine) is an endogenous glycine-conjugated secondary bile acid supplied as an analytical standard for research and diagnostic assays, including studies of ulcerative colitis, non-alcoholic steatohepatitis, and primary sclerosing cholangitis.
- High purity: 99.90%.
- Molecular weight: 433.62 g/mol.
- Chemical formula: C26H43NO4.
- Available as solid packs including 100 mg, and smaller sizes.
- Also available as a 10 mM solution in DMSO for ready use.
- Includes supporting technical files: datasheet, COA, SDS, and spectral data.
- Intended for analytical and research applications.
eMolecules 347841-43-4 | Medchem Express | Acetylcholine-d16 (bromide) | 1mg | 784544309 | HY-B0282AS3 | MFCD01074175 | 242.212 | C7H16BrNO2
Ambeed | (4-Carbamoyl-3-chlorophenyl)boronic acid | 250mg | 586031168 | A365815 | 850589-52-5 | MFCD07363777 | 199.400 | C7H7BClNO3
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Medchemexpress LLC Lactate-d3 sodium | 1219802-24-0 | MFCD29050090 | 98.0% | 115.08 g/mol | C3H2D3NaO3 | 10 MG
Lactate-d3 sodium is the deuterium-labeled sodium salt of DL-lactic acid supplied as a 60% w/w aqueous solution for use as an isotopically labeled reagent in analytical and metabolic studies.
- Supplied as a 60% w/w aqueous solution suitable for stock and dilution.
- Deuterium-labeled (d3) sodium salt for isotopic tracing and mass spectrometry applications.
- High purity: 98.0%.
- Molecular weight approximately 115.08 g/mol and formula C3H2D3NaO3.
- Provided in a small 10 mg quantity for analytical use and method development.
Medchemexpress LLC Palmitic acid-d31 | 39756-30-4 | 287.62 | 5 MG
Palmitic acid-d31 is a deuterium-labeled palmitic acid, a long-chain saturated fatty acid commonly found in both animals and plants. It can induce glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in mouse granulosa cells. This compound is valuable as a tracer or an internal standard for quantitative analysis in various spectroscopic methods, and its deuterium labeling offers potential benefits for studying pharmacokinetic and metabolic profiles.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeling for pharmacokinetic and metabolic studies
Medchemexpress LLC Methotrexate-d3 diammonium | 00-00-0 | MFCD08063571 | 99.7% | 491.52 | C20H25D3N10O5 | 5 MG
Methotrexate-d3 diammonium is a deuterium-labeled analog of methotrexate provided as the diammonium salt for research use. It serves as a stable isotope internal standard and analytical reference for LC-MS, pharmacokinetic, and tracer studies, supplied in small milligram quantities with high isotopic purity.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (≈99.7%) suitable for analytical applications.
- Diammonium salt form for improved handling and stability.
- Soluble in DMSO for easy sample preparation.
- Available in small milligram pack sizes for research use.
Medchemexpress LLC L-lysine-13C dihydrochloride | 202190-50-9 | 99.9% | 220.10 | C5(13C)H16Cl2N2O2 | 10 MG
L-lysine-13C dihydrochloride is a stable-isotope labelled form of the essential amino acid L-lysine, provided as the dihydrochloride salt for tracer, metabolic, and mass-spectrometry studies. It is 13C-labelled at the carboxyl carbon and supplied as a white to off-white solid with high chemical purity.
- 13C-labelled at the carboxyl carbon for tracer and mass-spectrometry applications.
- Provided as the dihydrochloride salt for improved solubility and stability.
- High purity (99.9%) suitable for research use.
- White to off-white solid; molecular weight 220.10 g/mol.
- CAS number 202190-50-9 for unambiguous identification.
- Storage: store sealed at 4°C; in solvent, store at -80°C (6 months) or -20°C (1 month).
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.
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.
![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
Medchemexpress LLC Benzophenone-d10 | 22583-75-1 | MFCD00143675 | 99.6% | 192.28 | C13D10O | 25mg
Benzophenone-d10 is the deuterium labeled Benzophenone (HY-Y0546) Benzophenone is an endogenous metabolite Benzophenone is a photosensitizer that absorbs UV light transfers its energy to DNA and triggers DNA damage Benzophenone can be used as the fragrance enhancer ultraviolet curing agent additive in plastics or the flavor ingredient Benzophenone can also be used in the manufacturing of insecticides agricultural chemicals hypnotics antihistamines and other pharmaceuticals Benzophenone exhibits certain carcinogenicity in mouse/rat models under long term exposure Benzophenone exhibits estrogenic activity[1][2]
Medchemexpress LLC Cefoperazone-d5 | 2410425-70-4 | 98.6% | 1 MG
Cefoperazone-d5 is a deuterium-labeled form of Cefoperazone, a semisynthetic cephalosporin known for its broad-spectrum antibacterial activity. This compound is intended for research use only, primarily as a tracer or an internal standard in quantitative analytical methods.
- Deuterium labeled cefoperazone
- Semisynthetic cephalosporin with broad-spectrum antibacterial activity
- Functions as a tracer in research
- Used as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
- Incorporates stable heavy isotopes for drug development quantitation
- Potential to affect pharmacokinetic and metabolic profiles of drugs
- Targets β-lactam
Medchemexpress LLC Mephenytoin-d5 | 1185032-66-9 | >98.72% | 1 MG
Mephenytoin-d5 is a deuterium labeled form of Mephenytoin, an anticonvulsant that acts as a substrate for CYP2C19 and CYP2B6. It is commonly utilized as a tracer and internal standard for quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Can be used as a tracer for quantitative analysis
- Can be used as an internal standard for quantitative analysis
- Deuteration may affect pharmacokinetic and metabolic profiles
Medchemexpress LLC Α-Vitamin E-d6 | 113892-08-3 | 5 MG
α-Vitamin E-d6 is a deuterium-labeled form of α-Vitamin E, intended for research use only. This compound serves as a tracer and internal standard for quantitative analysis via methods like NMR, GC-MS, or LC-MS. Incorporating stable heavy isotopes such as deuterium can influence the pharmacokinetic and metabolic profiles of drugs during development. It has a molecular weight of 436.74, a chemical formula of C29H44D6O2, and appears as a light yellow to yellow oil with a purity of 98.85%.
- Used as a tracer
- Functions as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
- Deuterium labeling can impact pharmacokinetic and metabolic profiles