Other Solvents
Medchemexpress LLC Tristearin-d105 | 125941-88-0 | 99.1% | 1 MG
Tristearin-d105 is a deuterium-labeled Tristearin, which is a triglyceride derived from three units of stearic acid. Intended for research use only, it is not sold for patient use. This compound can be used as a tracer or an internal standard in quantitative analysis.
- Used as a tracer
- 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
- Deuteration has the potential to affect pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories Sodium L-lactate (13C3 98%) 20% w/w in water 0 1 g/comp
Sodium L-lactate (13C3 98%) 20% w/w in water 0 1 g/comp
Cambridge Isotope Laboratories 2-Hydroxybenzoic acid (salicylic acid) (D6 97%) 0 1 g
2-Hydroxybenzoic acid (salicylic acid) (D6 97%) 0 1 g
Medchemexpress LLC Methionine | 00-00-0 | MFCD11983488 | 98.0% | C5H7D4NO2S | 10MG
Methionine-d4 is the deuterium-labeled form of methionine used as an isotopic tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. The labeled compound provides accurate mass discrimination and consistent performance in analytical assays, and is supplied as a high-purity solid suitable for storage and routine laboratory use.
- Deuterium-labeled internal standard for quantitative methods
- Compatible with NMR, GC-MS, and LC-MS analyses
- High chemical purity for reliable quantitation
- Stable solid form for long-term storage
- Suitable as a tracer in metabolic and pharmacokinetic studies
Cayman Chemical StearIc AcId-13C 100mg
An internal standard for the quantification of stearic acid by GC- or LC-MS
Medchemexpress LLC Thymidine-13C10,15N2 | 1821188-00-4 | 254.14 | 1 MG
Thymidine-13C10,15N2 is the 13C and 15N labeled Thymidine, a specific precursor of deoxyribonucleic acid. It is used as a cell synchronizing agent and acts as a DNA synthesis inhibitor, capable of arresting cells at the G1/S boundary prior to DNA replication. Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into drug molecules, primarily as tracers for quantitation during drug development. Deuteration has gained attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Acetyl-CoA synthetas 5ug
Recombinant mouse Acetyl-CoA synthetase 1 (ACSS2) is supplied as an N-terminal 6xHis-tagged protein produced in E. coli for biochemical and metabolic research. The protein is provided in microgram quantities with purity >90% (example COA 92%) and an approximate molecular weight of 82.9 kDa, and is intended for use in enzymatic assays, binding studies, and as a reference standard.
- His-tagged recombinant protein for easy purification and detection.
- Purity greater than 90% by reducing SDS-PAGE.
- Approximately 82.9 kDa molecular weight for accurate size reference.
- Produced in E. coli for efficient expression.
- Suitable for enzymatic assays and metabolic studies.
- Provided in small microgram quantities for research use.
- Certificate of analysis available for batch verification.
![Revvity Health Sciences Inc Testosterone, [4-<sup>14</sup>C]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812837.jpg-250.jpg)
Revvity Health Sciences Inc Testosterone, [4-14C]-, 50µCi (1.85MBq)
Testosterone, [4-14C]-, 50µCi (1.85MBq)
Cambridge Isotope Laboratories Diethyl phthalate (unlabeled) 100 ug/mL in nonane 1 2 mL
Diethyl phthalate (unlabeled) 100 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories ( /-)-Chloramphenicol (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
( /-)-Chloramphenicol (unlabeled) 100 ug/mL in acetonitrile 1 2 mL
Medchemexpress LLC Acetylcholine-d9 chloride | 344298-95-9 | 99.0% | 1 MG
Acetylcholine-d9 chloride is a deuterium-labeled acetylcholine chloride, which is a potent, BBB-permeable cholinergic agonist. This neurotransmitter modulates the activity of dopaminergic neurons by stimulating nicotinic acetylcholine receptors and inhibits p53 mutant peptide aggregation in vitro. It can be utilized as a tracer or an internal standard for quantitative analysis through techniques like NMR, GC-MS, or LC-MS.
- Deuterium-labeled acetylcholine chloride
- Potent and BBB-permeable cholinergic agonist
- Modulates dopaminergic neuron activity
- Inhibits p53 mutant peptide aggregation in vitro
- Suitable as a tracer or internal standard for quantitative analysis
Medchemexpress LLC L-aspartic acid-13C4,15N | 202468-27-7 | MFCD00144566 | 98.0% | 138.07 | 13C4H7 15NO4 | 10 MG
L-Aspartic acid-13C4,15N is a stable isotope-labeled form of the amino acid L-aspartic acid used as a reference standard and tracer in analytical, metabolic, and mass spectrometry applications.
- Stable isotope-labeled (13C4, 15N) suitable as an internal standard for LC-MS/MS and quantitative assays.
- High purity; ≥98.0%.
- Molecular weight 138.07 provides consistent mass spectrometric behavior.
- Chemical formula 13C4H7 15NO4 reflects isotopic labeling.
- Supplied in small laboratory quantities for analytical workflows.
Medchemexpress LLC Ketotifen-d3 fumarate | 1795138-23-6 | 99.2% | 50 MG
Ketotifen-d3 (fumarate) is a deuterium-labeled version of Ketotifen fumarate. This compound is a second-generation noncompetitive H1-antihistamine and mast cell stabilizer, utilized for the prevention of asthma attacks.
- Can be used as a tracer.
- Can serve as an internal standard for quantitative analysis through methods like NMR, GC-MS, or LC-MS.
Medchemexpress LLC Sulfamethoxazole-13C6 | 1196157-90-0 | 99.9% | 1 MG
Sulfamethoxazole-13C6 is a 13C labeled Sulfamethoxazole (Ro 4-2130-13C6), which is a sulfonamide antibiotic with widespread antibacterial activity. It inhibits bacterial folate metabolism by competing with 4-Aminobenzoic acid (PABA) to act on dihydropteroate synthetase and dihydropteroate reductase.
- Suitable for the study of urinary tract infections (UTIs), prostatitis, and bronchitis.
- Can be used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.