Isotopically Labeled Compounds
Cayman Chemical L-ThreonIn-d2 5mg
An internal standard for the quantification of L-threonine by GC- or LC-MS
Cayman Chemical DeoxycholIc AcIdodIum salt 5g
A secondary bile acid; inhibits TCA-induced spore germination in seven C. difficile strains at 0.2% v/v; inhibits growth and decreases the cytotoxicity of C. difficile culture supernatants to Vero cells at 0.02% v/v; inhibits ionizing radiation-induced p53-dependent transcription in a reporter assay using HCT116 cells at 200 µM; fecal and intestinal tissue levels are increased in a rat model of high-fat diet-induced obesity compared with rats fed a normal diet; increased serum levels have been found in patients with colorectal cancer
American Radiolabeled Chemicals Inc L-AP4-3H 250UC
L-AP4-3H 250uCi in ethanol:water (1:1), 1 mCi/ml, S.A. 30-60 Ci/mmol, M.W. 183.10, Shipped in Dry Ice, Exclusive, (L-(+)-2-Amino-4-phosphono-2,3-3H-butyric acid)
Medchemexpress LLC Malonyl CoA lithium | 108347-84-8 | 99.0% | C24H38N7O19P3S.xLi | 10MG
Malonyl CoA lithium is the lithium salt of malonyl coenzyme A used as a biochemical tool to modulate fatty acid metabolism. It functions as an inhibitor of carnitine palmitoyl transferase 1 (CPT1) and is provided for research applications with supporting documentation available.
- Inhibits carnitine palmitoyl transferase 1 (CPT1).
- Lithium salt of malonyl coenzyme A.
- Supplied in research-scale quantities (1 mg-100 mg).
- Purity 98.0-99.0% depending on batch.
- Molecular formula C24H38N7O19P3S·xLi.
- Data sheet and SDS available for handling and safety information.
Medchemexpress LLC Glycine-13C2,15N | 211057-02-2 | 99.9% | 78.05 g/mol | 13C2H515NO2 | 5mg
Glycine-13C2 15N is the 13C- and 15N-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
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 2-(methoxy-d3)-4-vinylphenol | 1335436-42-4 | ≥98.0% | 153.19 | C9H7D3O2 | 10mg
2-(Methoxy-d3)-4-vinylphenol is deuterated labeled 2-(Methoxy)-4-vinylphenol
Medchemexpress LLC Sodium benzoate-d5 | 62790-26-5 | MFCD01075425 | 99.5% | 149.13 | C7D5NaO2 | 50mg
Benzoate-d5 (sodium) is the deuterium labeled Sodium benzoate[1]
Medchemexpress LLC 2-mercaptoethanol-d6 | 203645-37-8 | 99.7% | 84.17 | C2D6OS | 25mg
2-Mercaptoethanol-d6 is deuterium labeled 2-Mercaptoethanol[1]
Medchemexpress LLC Methoxyamine-d3 hydrochloride | 110220-55-8 | 99.5% | 86.54 | CH3D3ClNO | 10mg
Methoxyamine-d3 (O-Methylhydroxylamine-d3) hydrochloride is the deuterium labeled Methoxyamine hydrochloride Methoxyamine hydrochloride is an orally active and potent base excision repair (BER) inhibitor[1]
Medchemexpress LLC Sunitinib-d10 | 1126721-82-1 | MFCD09841296 | 99.9% | 408.54 g/mol | C22H17D10FN4O2 | 1 MG
Sunitinib-d10 is a deuterium-labeled form of the receptor tyrosine kinase inhibitor sunitinib, supplied as a solid powder intended for use as an isotope-labeled internal standard or tracer in quantitative bioanalytical workflows (LC-MS, GC-MS, NMR). It is provided in small analytical package sizes and requires low-temperature storage for long-term stability.
- Deuterium-labeled (d10) internal standard for quantitative mass spectrometry and tracer studies.
- High reported purity (99.89%) suitable for analytical applications.
- Chemical formula C22H17D10FN4O2 and molecular weight 408.54 g/mol.
- Available in low-mass packages for analytical use and stable when stored at recommended low temperatures.
Medchemexpress LLC Glycine-2-13C | 20220-62-6 | MFCD00037550 | 99.3% | 76.06 g/mol | H2N13CH2COOH | 5mg
Glycine-2-13C is the 13C-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Medchemexpress LLC Acetophenone-d8 | 19547-00-3 | MFCD00064447 | 100.0% | 128.20 g·mol⁻¹ | C8D8O | 5g
Acetophenone-d8 is the deuterium labeled Acetophenone Acetophenone is an organic compound with simple structure[1]
Medchemexpress LLC L-proline-13C5,15N | 202407-23-6 | 99.6% | 121.09 | 13C5H915NO2 | 1mg
L-Proline-13C5 1-15N is the 13C- and 15N-labeled L-Proline L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins
Medchemexpress LLC Guanine-13C,15N2 | 202407-12-3 | 98.6% | 154.11 g/mol | C4(13C)H5N3(15N)2O | 5mg
Guanine-13C 15N2 is the 13C and 15N labeled Guanine[1] Guanine (2-Aminohypoxanthine) is one of the fundamental components of nucleic acids (DNA and RNA) Guanine is a purine derivative consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds