Isotopically Labeled Compounds
Medchemexpress LLC L-Methionine-DL-sulfoximine (MSX; MSO) | 15985-39-4 | MFCD00002621 | 98.0% | 1 ML
L-Methionine-DL-sulfoximine (MSX; MSO) is a highly specific and irreversible inhibitor of Glutamine synthetase (GS). It is also a potent convulsant that primarily affects astroglia metabolically and morphologically. This product is for research use only.
- Inhibits Gln-dependent ammonia-stimulated neuronal toxicity in vitro
- Potentiates Gln deficit-dependent depression
- Significantly increases fixed nitrogen release in cyanobacteria
- Promising candidate for research in biofertilizers
- Promising candidate for research in convulsive seizures
Medchemexpress LLC Adipic acid-d8 | 52089-65-3 | 99.7% | 154.19 g/mol | C6H2D8O4 | 100 MG
Adipic acid-d8 is the deuterium-labeled form of adipic (hexanedioic) acid supplied as a high-purity isotopic standard for analytical and research applications. It is used as an internal standard, tracer, or calibration reference in mass spectrometry, NMR, and method development.
- Deuterium-labeled (d8) for clear mass shifts in MS analyses.
- High purity suitable for use as an analytical reference material.
- Compact 100 mg quantity convenient for laboratory workflows.
- Known molecular weight and formula for accurate calculations.
- Suitable for quantitative LC-MS/MS, GC-MS, and NMR applications.
Medchemexpress LLC Adamantane-d16 | 30470-60-1 | 98.4% | 152.33 Da | C10D16 | 10 MG
Adamantane-d16 is the fully deuterated form of adamantane, supplied as a stable-isotope standard for analytical and research applications. It is provided as a high-purity powder intended for use in mass spectrometry, isotope tracing, and related analytical workflows.
- Fully deuterated cage hydrocarbon for isotope labeling.
- Suitable as an internal standard for mass spectrometry and quantitative analysis.
- Molecular formula C10D16 and molecular weight 152.33 Da.
- High purity (98.4%) appropriate for analytical use.
- Stable as a powder under recommended cold storage conditions.
Medchemexpress LLC Para-fluoronitrobenzene-d4 | 1219802-01-3 | 5mg
NSC 10281-d4 is the deuterium labeled NSC 10281[1]
Medchemexpress LLC Trimethoprim-d9 | 1189460-62-5 | 99.6% | 5 MG
Trimethoprim-d9 | 1189460-62-5 | 99.6% | 5 MG
Medchemexpress LLC D-Fructose-13C-1 | 117013-19-1 | 100 MG
D-Fructose-13C-1 is the 13C labeled D-Fructose. D-Fructose (D(-)-Fructose) is a naturally occurring monosaccharide found in many plants. It is for research use only and not sold to patients.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Purity of 98.0%
- Appears as a solid, white to off-white
- Stable isotope
Cambridge Isotope Laboratories L-CYSTEINE-N-FMOC, S-TRITYL (3,3-D2, 98%), 0.1 G, 360565-11-3
L-CYSTEINE-N-FMOC, S-TRITYL (3,3-D2, 98%), 0.1 G, 360565-11-3
Medchemexpress LLC Azaperone-d4 | 1173021-72-1 | 1MG
Azaperone-d4 is a deuterium-labeled version of Azaperone, a dopamine antagonist that also exhibits antihistaminic and anticholinergic properties. This pyridinylpiperazine and butyrophenone neuroleptic agent is known for its antiemetic effects and is primarily used as a tranquilizer in veterinary medicine. Deuterium labeling incorporates stable heavy isotopes into drug molecules, serving as tracers for quantitation during drug development and potentially affecting pharmacokinetic and metabolic profiles.
- Deuterium labeled compound
- Dopamine antagonist
- Exhibits antihistaminic properties
- Exhibits anticholinergic properties
- Pyridinylpiperazine and butyrophenone neuroleptic agent
- Provides antiemetic effects
- Used as a tranquilizer in veterinary medicine
- Useful as a tracer for drug development
Cambridge Isotope Laboratories 24R,25-DIHYDROXYVITAMIN D3 UNLABELED 97% CHEMICAL PURITY, 1 MG
24R,25-DIHYDROXYVITAMIN D3 UNLABELED 97% CHEMICAL PURITY, 1 MG
Medchemexpress LLC DEHP-d4 (Bis(2-ethylhexyl) phthalate-d4) | 93951-87-2 | 99.9% | 1 MG
DEHP-d4 is the deuterium labeled version of DEHP, an endogenous metabolite. It is primarily used as a tracer and an internal standard for quantitative analysis. This compound is for research use only.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes of hydrogen and carbon
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories URACIL (1,3-15N2, 98%), 0.5 G, 5522-55-4
URACIL (1,3-15N2, 98%), 0.5 G, 5522-55-4
Medchemexpress LLC Sulfamethazine-d4 | 1020719-82-7 | 99.9% | C12H10D4N4O2S | 5 MG
Sulfamethazine-d4 is a deuterium-labeled version of Sulfamethazine, an antimicrobial used to treat and prevent various animal diseases, including gastrointestinal and respiratory tract infections. This compound is suitable for use as a tracer and internal standard for quantitative analysis in techniques such as NMR, GC-MS, or LC-MS. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer for quantitative analysis
- Functions as an internal standard for analytical methods
- Impacts pharmacokinetic and metabolic profiles of drugs
- Suitable for research applications
Medchemexpress LLC Menaquinone-4-d7 | 1233937-25-1 | 250 UG
Menaquinone-4-d7 (Vitamin K2(MK-4)-d7) is the deuterium labeled Menaquinone-4. Menaquinone-4 is a vitamin K, used as a hemostatic agent, and also an adjunctive therapy for the pain of osteoporosis.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules.
- Used as tracers for quantitation during the drug development process.
- Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories AMMONIUM ACETATE (15N, 98%+), 1 G, 86451-35-6
AMMONIUM ACETATE (15N, 98%+), 1 G, 86451-35-6
![Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Aqueous Sol, Specific Activity: 20 Ci/mmol, 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812204.jpg-250.jpg)
Revvity Health Sciences Inc Thymidine, [Methyl-3H]-, Aqueous Sol, Specific Activity: 20 Ci/mmol, 250 µCi
Thymidine, [Methyl-3H]-, Aqueous Sol, Specific Activity: 20 Ci/mmol, 250 µCi