Isotopically Labeled Compounds
Medchemexpress LLC Lovastatin-d9 | 75330-75-5 | 413.60 | 5 MG
Lovastatin-d9 is a deuterium-labeled Lovastatin, functioning as a cell-permeable HMG-CoA reductase inhibitor used to lower cholesterol.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Contains stable heavy isotopes incorporated for drug development quantitation
- Deuteration can impact pharmacokinetic and metabolic profiles
Medchemexpress LLC O-Toluic acid-d7 | 207742-73-2 | MFCD00216766 | 99.5% | 143.19 | 100 MG
O-Toluic acid-d7 is the deuterium labeled form of o-Toluic acid (2-Methylbenzoic acid), which is a benzoic acid with a methyl group at position 2. This compound functions as a xenobiotic metabolite and is intended 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.
Cayman Chemical BIBF 1120-13C-d3, Purity: ≥99% deuterated forms (d1-d3), 1 mg
An internal standard for the quantification of BIBF 1120 by GC- or LC-MS
Medchemexpress LLC Anastrozole-d12 | 120512-32-5 | 99.7% | C17H7D12N5 | 1 MG
Anastrozole-d12 is the deuterium labeled Anastrozole, a potent and highly selective aromatase inhibitor. It inhibits human placental aromatase with an IC50 of 15 nM. This compound is intended for research use only and can serve as a tracer or an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuterium substitution may impact the pharmacokinetic and metabolic profiles of drugs. It appears as a white to off-white solid.
- Potent and highly selective aromatase inhibitor
- Inhibits human placental aromatase with an IC50 of 15 nM
- Deuterium labeled Anastrozole
- Can be used as a tracer for quantitative analysis
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- White to off-white solid appearance
- Deuterium substitution can affect pharmacokinetic and metabolic profiles
Cambridge Isotope Laboratories D-Glucose (6,6-D2, 99%) | 18991-62-3 | MFCD00064367 | 1g
D-Glucose (6,6-D2, 99%) | Putity: 98% | MW: 182.17 | 18991-62-3 | MFCD00064367 | 1g
Cambridge Isotope Laboratories EN-1948-4 PCB RECOVERY STD 13C
5000166747 EN-1948-4 PCB RECOVERY STD 13C
Cambridge Isotope Laboratories ALACHLOR ACETYLCYSTEINE ADDUCT
5000167340 ALACHLOR ACETYLCYSTEINE ADDUCT
Cambridge Isotope Laboratories 4-FLUORO-3-PHENOXYBENZOIC ACID
5000167345 4-FLUORO-3-PHENOXYBENZOIC ACID
Cambridge Isotope Laboratories 5-beta-Pregnane-3Alpha 20Alpha-diol (2 2 3 4 4-D5 98%) 1 mg
5-beta-Pregnane-3Alpha 20Alpha-diol (2 2 3 4 4-D5 98%) 1 mg
Cayman Chemical 5-Bromopentanoic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 42932-62-7, 5 mg
An internal standard for the quantification of 5-bromopentanoic acid by GC- or LC-MS
Medchemexpress LLC DC-LC3in-D5 | 2868312-73-4 | 98.6% | C19H22Cl2N2O3 | 10 MM 1 ML
DC-LC3in-D5 is an autophagy inhibitor that functions by attenuating LC3B lipidation. It binds with LC3B and disrupts the LC3B-LBP2 interaction with an IC50 of 200 nM. This compound may be useful in anti-HCV or combination cancer research through its autophagy-inhibiting properties.
- Attenuates LC3B lipidation
- Disrupts LC3B-LBP2 interaction
- Demonstrates high selectivity to LC3A/B in proteome
- Exhibits potent covalent reactivity and selectivity to LC3A/B in HeLa cells
- Inhibits autophagic vesicle formation
- Leads to accumulation of p62
Medchemexpress LLC L-ornithine-d2 hydrochloride | 2483831-42-9 | 99.9% | 170.63 | C5H11D2ClN2O2 | 5 MG
L-ornithine-d2 hydrochloride is the deuterium-labeled form of L-ornithine supplied for research use as an internal standard or tracer in quantitative analyses. It is provided as a high-purity, white to off-white solid hydrochloride salt tailored for analytical workflows such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for quantitative analysis.
- High chemical purity (≈99.9%).
- Hydrochloride salt form, solid, white to off-white.
- Suitable for NMR, GC-MS, and LC-MS methods.
- Available in small milligram pack sizes for analytical use.
Medchemexpress LLC Hepes-d18 | 203805-87-2 | 99.89% | 50 MG
HEPES-d18 is the deuterium labeled version of HEPES. HEPES is a nonvolatile zwitterionic chemical buffering agent commonly used in cell culture. It is effective within a pH range of 6.8 to 8.2 and is also recognized as a potent inducer of lysosome biogenesis.
- Used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotope incorporated into drug molecules.
- Potential to affect pharmacokinetic and metabolic profiles of drugs through deuteration.
Cayman Chemical LeukotrIen B4-d4 100ug
An internal standard for the quantification of LTB4 by GC- or LC-MS.
Medchemexpress LLC 2-chloro-5-nitro-N-pyridin-4-ylbenzamide (d4) | 00-00-0 | MFCD00121849 | 281.69 | C12H4D4ClN3O3 | 5 MG
T0070907-d4 is the deuterium-labeled isotopologue of a selective PPARγ antagonist intended for research applications. It is used as an analytical or tracer standard and in mechanistic studies where isotope labeling improves detection, quantitation, or metabolic tracing.
- Deuterium-labeled isotopologue (d4) for tracer and analytical studies.
- Potent PPARγ antagonist suitable for receptor biology assays.
- Molecular formula C12H4D4ClN3O3; molecular weight 281.69.
- Available in small analytical quantities (e.g., 1 mg, 5 mg, 10 mg).
- Storage: powder -20°C; in solvent -80°C (6 months), -20°C (1 month).
- For research use only; not for human or clinical use.