Isotopically Labeled Compounds
Cayman Chemical DL-Aspartic Acid-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 14341-75-4, 100 mg
An internal standard for the quantification of aspartic acid by GC- or LC-MS
Medchemexpress LLC Nonanedioic-d14 acid | 119176-67-9 | MFCD00068296 | 99.9% | 202.31 | C9H2D14O4 | 10 MG
Azelaic acid-d14 is the deuterium-labeled isotopologue of azelaic acid (nonanedioic acid), supplied as a high-purity solid for use as a stable-isotope internal standard and tracer in analytical chemistry and metabolic studies.
- High isotopic and chemical purity suitable for analytical standards.
- Supplied as a solid for accurate weighing and solution preparation.
- Batch-specific certificate of analysis provided for verification.
- Appropriate for use as an internal standard in LC-MS/MS and GC-MS methods.
- Available in small-mass packaging sizes for reference standard applications.
![Revvity Health Sciences Inc ATP, [γ-<sup>32</sup>P]- 6000Ci/mmol 10mCi/ml , 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809324.jpg-250.jpg)
Revvity Health Sciences Inc ATP, [γ-32P]- 6000Ci/mmol 10mCi/ml , 250 µCi
ATP, [γ-32P]- 6000Ci/mmol 10mCi/ml , 250 µCi
Cayman Chemical Miltefosine-d4, Purity: ≥99% deuterated forms (d1-d4), 5 mg
An internal standard for the quantification of miltefosine by GC- or LC-MS
Medchemexpress LLC Desonide-13C3 | >98.0% | 419.49 | C21 13C3 H32 O6 | 1 MG
Desonide-13C3 is the 13C-labeled isotopologue of desonide provided for research use. It is intended as a tracer, internal standard, or analytical reference in studies of glucocorticoid receptor activity, inflammatory disease models, and Huntington's disease research. Supplied as a solid in small vials and accompanied by a certificate of analysis with storage recommendations.
- 13C-labeled isotopologue suitable for tracer and mass spectrometry internal standard use.
- High isotopic purity supports accurate quantitation in analytical workflows.
- Available in small-scale quantities for method development and validation.
- Supplied as a solid; follow the certificate of analysis for storage and handling.
- Intended for research use only; not for human or clinical use.
Cayman Chemical Mycophenolate Mofetil-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1132748-21-0, 5 mg
An internal standard for the quantification of mycophenolate mofetil by GC- or LC-MS
Cayman Chemical LoratdIn-d4 500ug
An internal standard for the quantification of loratadine by GC- or LC-MS
Medchemexpress LLC Amiodarone-d10 hydrochloride | 1261393-77-4 | MFCD34567863 | 98.8% | C25H20D10ClI2NO3 | 10MG
Amiodarone-d10 hydrochloride is a deuterium-labeled analog of the antiarrhythmic agent amiodarone, supplied as the hydrochloride salt. It is used as a stable-isotope internal standard or tracer in analytical chemistry, pharmacokinetic studies, and other research applications.
- Deuterium-labeled internal standard for quantitative analysis
- Hydrochloride salt supplied as a solid
- High purity (98.8%) for reliable analytical performance
- Suitable for pharmacokinetic and tracer studies
- Available in laboratory-scale packaging for research use
Medchemexpress LLC Succinimide-15N | 32807-36-6 | 99.0% | 100.08 | 25 MG
Succinimide-15N is the 15N labeled Succinimide. Succinimide rapidly hydrolyzes into aspartic acid and aspartic acid during the reduction/alkylation process. It is utilized in the development of antiepileptic agents.
- 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.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, primarily as tracers for quantitation during the drug development process. Deuteration has garnered attention due to its potential to influence the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories DL-A-Phosphatidylcholine dihexanoyl (D40 98%) (dhpc) CP 95% 0 1 g
DL-A-Phosphatidylcholine dihexanoyl (D40 98%) (dhpc) CP 95% 0 1 g
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphorylcholine-d79 | 326495-39-0 | 99.3% | 869.63 g/mol | C44H9D79NO8P | 1 MG
Deuterated form of 1,2-distearoyl-sn-glycero-3-phosphorylcholine used as a saturated phospholipid for liposome and lipid nanoparticle formulations. Deuteration replaces hydrogen atoms with deuterium to enable analytical tracing and may affect metabolic stability.
- Deuterium-labeled phospholipid for tracing and mass-shift studies.
- High purity suitable for formulation and analytical work.
- Small pack sizes for research-scale experiments.
- Compatible with liposome and lipid nanoparticle synthesis protocols.
Cambridge Isotope Laboratories D-RIBOSE (U-13C5, 98%), 0.1 G, 202114-47-4
D-RIBOSE (U-13C5, 98%), 0.1 G, 202114-47-4
Medchemexpress LLC 1,6-anhydro-β-D-glucopyranose-d7 | 2483832-05-7 | 99.9% | 169.18 g/mol | C6H3D7O5 | 10 MG
Levoglucosan-d7 is a deuterium-labeled analogue of levoglucosan (1,6-anhydro-β-D-glucopyranose) used as a stable-isotope standard and tracer in analytical chemistry, particularly mass spectrometry and environmental analysis.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (99.9%) for accurate quantitation.
- Available in small analytical pack sizes, such as 10 mg.
- Solid powder format with defined storage conditions to preserve stability.
- Molecular formula C6H3D7O5, molecular weight 169.18 g/mol.
Cayman Chemical Desipramine-d4 (hydrochloride), Purity: ≥99% deuterated forms (d1-d4), CAS: 61361-34-0, 5 mg
An internal standard for the quantification of desipramine by GC- or LC-MS