Isotopically Labeled Compounds
Cambridge Isotope Laboratories Musk ketone (t-butyl-D9 98%) 100 ug/mL in acetonitrile 1 2 mL
Musk ketone (t-butyl-D9 98%) 100 ug/mL in acetonitrile 1 2 mL
Medchemexpress LLC Adenosine 5'-triphosphate-d14 dilithium | 56-65-5 | 99.3% | 1 MG
ATP-d14 dilithium (Adenosine 5'-triphosphate-d14 dilithium) is a deuterium-labeled form of ATP, a central component in energy storage and metabolism. It functions as a coenzyme in cells and plays a role as an endogenous signaling molecule in immunity and inflammation. It is suitable for use as a tracer or as an internal standard in quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- 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 Salicylic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 78646-17-0, 25 mg
An internal standard for the quantification of salicylic acid by GC- or LC-MS
Medchemexpress LLC Acetophenone-d3 | 17537-31-4 | MFCD00064445 | 96.3% | 123.17 g/mol | C8H5D3O | 10g
Acetophenone-d3 is the deuterium labeled Acetophenone[1] Acetophenone is an organic compound with simple structure[2]
Cambridge Isotope Laboratories 1,1,3,3-TETRAETHOXYPROPANE (1,3-D2, 96-98%), 0.1 G, 105479-86-5
1,1,3,3-TETRAETHOXYPROPANE (1,3-D2, 96-98%), 0.1 G, 105479-86-5
Cambridge Isotope Laboratories Vitamin B6 (pyridoxal) (methyl-D3, 98%) | 1173023-49-8 | MFCD25368916 | 10g
Vitamin B6 (pyridoxal) (methyl-D3, 98%) | 1173023-49-8 | MFCD25368916 | 10g
Medchemexpress LLC Alanine-2,3,3,3-d4 | 53795-92-9 | MFCD00084108 | 99.8% | 93.12 | C3H3D4NO2 | 25 MG
Alanine-2,3,3,3-d4 is a deuterium-labeled stable isotope of alanine intended for research use. It is suitable for use as an internal standard in analytical workflows, and for metabolic tracing and isotope labeling studies. The material is supplied with supporting documentation including a datasheet, certificate of analysis, and safety data sheet, and is not intended for human use.
- Deuterium-labeled alanine for isotope tracing and analytical standards.
- High isotopic and chemical purity (99.8%).
- Suitable as an internal standard for LC-MS, GC-MS, and NMR.
- Available in small measured quantities for research workflows.
- Supplied with datasheet, certificate of analysis, and safety data sheet.
Medchemexpress LLC Bicarbonate-13C sodium | 87081-58-1 | MFCD00084061 | 98.0% | 85.00 | NaH13CO3 | 100 MG
Bicarbonate-13C sodium is the 13C-isotopically labeled form of sodium bicarbonate used as a tracer, labeled standard, and reagent in metabolic and analytical studies. It is supplied as a dry powder with high chemical purity and defined isotopic enrichment for quantitative experiments.
- Purity ≥98.0%.
- Isotopically labeled at the bicarbonate carbon (13C).
- Molecular formula NaH13CO3, molecular weight 85.00.
- Available in small-scale packages including 100 mg for analytical use.
- Recommended storage: sealed, away from moisture and light at 4°C; in solvent: -80°C up to 6 months.
- Suitable for tracer studies, metabolic labeling, and analytical standards.
Cayman Chemical Stearic Acid-d35, Purity: ≥99% deuterated forms (d1-d35), CAS: 17660-51-4, 250 mg
An internal standard for the quantification of stearic acid by GC- or LC-MS
Cambridge Isotope Laboratories Mono-(3-carboxypropyl)phthalate (unlabeled) 100 ug/mL in MTBE 1 2 mL
Mono-(3-carboxypropyl)phthalate (unlabeled) 100 ug/mL in MTBE 1 2 mL
Medchemexpress LLC Nortriptyline-d3 hydrochloride | 203784-52-5 | 99.7% | 5 MG
Nortriptyline-d3 (hydrochloride) is the deuterium labeled Nortriptyline hydrochloride. Nortriptyline hydrochloride (Desmethylamitriptyline hydrochloride) is a tricyclic antidepressant and the main active metabolite of Amitriptyline, and used to relieve the symptoms of depression.
- 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 1,2-distearoyl-sn-glycero-3-phosphorylcholine-d4 | 326495-35-6 | 99.0% | 794.17 g/mol | C44H84D4NO8P | 1 MG
DSPC-d4 (1,2-distearoyl-sn-glycero-3-phosphorylcholine-d4) is the deuterium-labeled form of DSPC used as an internal standard and tracer in analytical methods, and as a structural lipid for liposome and lipid nanoparticle formulations.
- Deuterium-labeled internal standard for NMR, GC-MS, and LC-MS
- Used as a lipid component in liposome and LNP systems
- Molecular formula C44H84D4NO8P and molecular weight 794.17 g/mol
- Purity: 99.0%
- Storage: powder -20°C (3 years); in solvent -80°C (6 months) or -20°C (1 month)
Medchemexpress LLC Phenindione-d5 | 70711-53-4 | MFCD00630829 | 99.5% | 227.27 | C15H5D5O2 | 10 MG
Phenindione-d5 is a deuterium-labeled analog of phenindione supplied as a research reagent and internal standard for quantitative analysis. It functions as a vitamin K antagonist and is intended for tracer studies and analytical applications such as LC-MS, GC-MS, and NMR.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity: 99.5%.
- Physical form: white to off-white solid.
- Storage: 4°C sealed; in solvent store at -80°C (6 months) or -20°C (1 month).
- Solubility: DMSO ≥100 mg/mL; water 0.67 mg/mL (requires ultrasonic).
- Packaged amount: 10 mg suitable for analytical use.
Medchemexpress LLC Nitrendipine-d5 | 2469554-26-3 | 99.8% | 365.39 | C18H15D5N2O6 | 10 MG
Nitrendipine-d5 is the deuterium-labeled analog of nitrendipine used as a stable-isotope internal standard and research reagent for analytical and pharmacological studies. It functions as a dihydropyridine calcium channel blocker and is supplied as a 10 mg solid for laboratory use.
- Deuterium-labeled internal standard for analytical assays.
- Dihydropyridine calcium channel blocker used in pharmacology studies.
- High isotopic and chemical purity (99.8%).
- Molecular weight 365.39; formula C18H15D5N2O6.
- Off-white to yellow solid appearance.
- Supplied as a 10 mg quantity; store protected from light at 4°C.
- Shelf life in solvent: -80°C (6 months), -20°C (1 month).
Medchemexpress LLC Diphenhydramine-d5 hydrochloride | 1219795-16-0 | MFCD12022195 | 99.7% | 296.85 | C17H17D5ClNO | 10 MG
Diphenhydramine-d5 hydrochloride is a deuterium-labeled hydrochloride salt of diphenhydramine supplied as a research-grade reference standard for analytical and pharmacokinetic studies. It is intended for use as an internal standard in mass spectrometry and related assays; not for human consumption.
- deuterium-labeled (d5) analogue for tracer and internal standard use.
- hydrochloride salt form for stability and solubility in analytical workflows.
- suitable for LC-MS/MS and quantitative pharmacokinetic studies.
- low-quantity packaging for analytical calibration and method development.
- molecular weight 296.85 and CAS 1219795-16-0 for unambiguous identification.