Isotopically Labeled Compounds
Cayman Chemical Cyclophosphamide-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 173547-45-0, 1 mg
An internal standard for the quantification of cyclophosphamide by GC- or LC-MS
Cayman Chemical Fulvestrant-d3, Purity: ≥99% deuterated forms (d1-d3), 1 mg
An internal standard for the quantification of fulvestrant by GC- or LC-MS
Cayman Chemical Fluprostenol-d4 100ug
An internal standard for the quantification of fluprostenol by GC- or LC-MS
Medchemexpress LLC 1-phenyl-1-butyne-d5 | 1219803-38-9 | >98.0% | 135.22 g/mol | C10H5D5 | 5 MG
1-Butynylbenzene-d5 is the deuterium-labeled analog of 1-butynylbenzene (1-phenyl-1-butyne). It is supplied as a small-quantity, isotopically labeled research reagent containing an alkyne functional group suitable for copper-catalyzed azide-alkyne cycloaddition (CuAAC) and for use as an internal standard in analytical applications.
- Deuterium-labeled alkyne reagent.
- CAS number: 1219803-38-9.
- Molecular formula C10H5D5; molecular weight 135.22 g/mol.
- Purity >98.0% chemical purity.
- Appearance liquid.
- Pack size 5 MG.
- Storage pure form -20°C; in solvent -80°C (6 months) or -20°C (1 month).
Apexbio Technology LLC Aldicarb 100mg
B4778 is a small molecule designed for biomedical research applications It modulates specific cellular signaling pathways implicated in disease-relevant biological processes Through interaction with its molecular target B4778 is utilized in studies aiming to elucidate mechanisms of cellular regulation including investigations into cell proliferation apoptosis or differentiation The compound is suitable for use in cell-based assays and pathway analysis supporting research on signaling cascades and potential therapeutic interventions
Medchemexpress LLC L-lysine-d9 hydrochloride | 2708343-64-8 | 99.1% | 191.70 g/mol | C6H6D9ClN2O2 | 10 MG
L-Lysine-d9 hydrochloride is a deuterium-labeled form of the essential amino acid L-lysine, presented as the hydrochloride salt and intended for use as an internal standard, tracer, or reference material in mass spectrometry and metabolomics workflows.
- Deuterium-labeled internal standard for LC-MS and metabolomics.
- Purity approximately 99.0% (batch example 99.09%).
- Molecular formula: C6H6D9ClN2O2.
- Molecular weight: 191.70 g/mol.
- Appearance: white to off-white solid.
- Typical package: 10 MG; other sizes available.
Medchemexpress LLC Sudan III-d6 | 1014689-17-8 | 93.0% | 358.43 g/mol | C22H10D6N4O | 10 MG
Sudan III-d6 is a deuterium-labeled analogue of the hydrophobic bisazo dye Sudan III, supplied as a research-grade isotopic standard. It contains six deuterium atoms (d6), has formula C22H10D6N4O, and an exact molecular weight of 358.43 g/mol. Typical uses include internal standard and tracer applications in analytical chemistry and mass spectrometry.
- Deuterium-labeled (d6) isotopic standard.
- Hydrophobic bisazo dye for analytical use.
- Purity 93.0% (as provided).
- Available in small milligram packs for standards and calibration.
- Storage: powder -20°C (3 years), 4°C (2 years); in solvent -80°C (6 months), -20°C (1 month).
Medchemexpress LLC Ethephon-d4 | 1020719-29-2 | >98.0% | 148.52 g/mol | C2H2D4ClO3P | 5 MG
Ethephon-d4 is the deuterium-labeled analogue of ethephon supplied as a stable-isotope reference material for tracer and quantitative analytical applications. It is provided as a white to off-white solid suitable for use as an internal standard in laboratory workflows, with storage and handling recommendations for low-temperature, sealed conditions.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS methods.
- White to off-white solid, easy to handle.
- High isotopic enrichment and chemical purity (>98.0%).
- Supplied in pre-weighed milligram quantities for analytical use.
Medchemexpress LLC Piribedil-d8 | 1398044-45-5 | MFCD28900715 | 99.8% | 306.39 | C16H10D8N4O2 | 5 MG
Piribedil-d8 is the deuterium-labeled analogue of piribedil used primarily as an internal standard or tracer for quantitative analytical methods. Supplied as a white to off-white solid with high isotopic and chemical purity, it is intended for use in NMR, GC-MS, and LC-MS assays and pharmacokinetic studies. Store and handle according to manufacturer recommendations.
- Deuterium-labeled internal standard for accurate quantitation
- High purity suitable for analytical and bioanalytical workflows
- Soluble in DMSO for convenient stock solution preparation
- Stable when stored under recommended temperature conditions
- Applicable as tracer and internal standard in mass spectrometry and NMR analyses
Medchemexpress LLC Aminoguanidine sulfate (13C,15N4) | MFCD00151369 | 99.0% | 177.13 | 13CH8 15N4 O4 S | 1 MG
Aminoguanidine-13C,15N4 sulfate (1:2) is a stable-isotope labeled form of aminoguanidine sulfate intended for use as a tracer or internal standard in quantitative analytical methods. It provides defined 13C and 15N enrichment and high chemical purity to support accurate measurements in small-mass analytical workflows.
Medchemexpress LLC Acetylcholine-d16 bromide | 347841-43-4 | 98.6% | 5 MG
Acetylcholine-d16 bromide is a deuterium-labeled form of Acetylcholine bromide, intended solely for research applications. It serves as a valuable tool in drug development, enabling its use as a tracer and internal standard for quantitative analysis in techniques such as NMR, GC-MS, or LC-MS. The incorporation of stable heavy isotopes like deuterium has been noted for its potential impact on the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Used as a tracer
- Used as an internal standard for quantitative analysis
- Compatible with NMR, GC-MS, or LC-MS
- White to off-white solid
- Soluble in water at 250 mg/mL
Cambridge Isotope Laboratories Creatine (Methyl-D3) | 143827-20-7 | MFCD00190410 | 0.25 g
Creatine (Methyl-D3) | Purity: 97% | Mol Wt: 134.15 | 143827-20-7 | MFCD00190410 | 0.25 g
Medchemexpress LLC Venlafaxine-d10 hydrochloride | 1216539-56-8 | >98% | 2.5 MG
Venlafaxine-d10 hydrochloride is a deuterium labeled version of Venlafaxine hydrochloride, an orally active, potent serotonin (5-HT)/norepinephrine (NE) reuptake dual inhibitor, and an antidepressant. Intended for research use only, its deuteration may influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled Venlafaxine hydrochloride
- Potent serotonin (5-HT)/norepinephrine (NE) reuptake dual inhibitor
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Exhibits antidepressant properties
Medchemexpress LLC Pacritinib-d4 | 476.60 | 5 MG
Pacritinib-d4 (SB1518-d4) is the deuterium labeled Pacritinib. It is a potent inhibitor of both wild-type JAK2 (IC50=23 nM) and JAK2V617F mutant (IC50=19 nM). This compound also inhibits FLT3 (IC50=22 nM) and its mutant FLT3D835Y (IC50=6 nM). Stable heavy isotopes 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.
- Deuterium labeled compound
- Potent inhibitor of wild-type JAK2 and JAK2V617F mutant
- Inhibits FLT3 and its mutant FLT3D835Y
- Used as a tracer for quantitation during drug development
- Potential to affect pharmacokinetic and metabolic profiles
Medchemexpress LLC Caspofungin-d4 | 1131958-73-0 | 1097.34 | 500 UG
Caspofungin-d4 is a deuterium-labeled version of Caspofungin, a potent antifungal agent. It works by inhibiting the synthesis of β-(l,3)-D-glucan, a crucial component of the fungal cell wall. This compound is intended for research use only and is not for patient administration. Deuterium substitution can influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled.
- Potent antifungal agent.
- Inhibits synthesis of fungal cell wall component β-(l,3)-D-glucan.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.