Isotopically Labeled Compounds
Cayman Chemical trans-Resveratrol-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1089051-56-8, 1 mg
An internal standard for the quantification of trans-resveratrol by GC- or LC-MS
Medchemexpress LLC Olaparib-d5 (AZD2281-d5) | 2143107-56-4 | MFCD34469897 | 99.4% | 439.49 | C24H18D5FN4O3 | 5 MG
Olaparib-d5 is the deuterium-labeled stable isotope of the PARP inhibitor olaparib, supplied as a high-purity analytical reference standard for method development, quantitative analysis, and use as an internal standard in mass spectrometry workflows. It is provided in small, accurately weighed packages suitable for LC-MS and other sensitive analytical techniques.
- High purity (99.37%) for reliable analytical results.
- Deuterium labeling produces a clear mass shift for internal standard use in MS.
- Suitable for LC-MS method development and quantitative assays.
- Soluble in DMSO, DMF, and ethanol for flexible sample preparation.
- Available in small mg packages for precise weighing and low consumption.
![Revvity Health Sciences Inc EXPRE<sup>35</sup>S<sup>35</sup>S Protein Labeling Mix, [<sup>35</sup>S]-, 7mCi (259MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810374.jpg-250.jpg)
Revvity Health Sciences Inc EXPRE35S35S Protein Labeling Mix, [35S]-, 7mCi (259MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol
EXPRE35S35S Protein Labeling Mix, [35S]-, 7mCi (259MBq), 50mM Tricine (pH 7.4), 10mM 2-mercaptoethanol
Cayman Chemical N-Arachidonoyl Taurine-d4, Purity: ≥99% deuterated forms (d1-d4), 1 mg
An internal standard for the quantification of N-arachidonoyl taurine by GC- or LC-MS
Medchemexpress LLC Olaparib-d5 | 2143107-56-4 | MFCD34469897; MFCD12912443 | 99.4% | 439.49 g·mol-1 | C24H18D5FN4O3 | 1 MG
Olaparib-d5 is the deuterium-labeled analogue of olaparib intended for use as a stable isotope internal standard in quantitative LC-MS/MS and pharmacokinetic studies. It offers a mass-shifted counterpart to the parent drug while maintaining similar chromatographic properties, enabling precise quantitation and method validation in analytical workflows.
- Stable isotope-labeled internal standard for LC-MS/MS assays.
- Provides a mass-shifted analogue for accurate quantitation.
- Near-identical chromatographic behavior to the parent compound.
- High purity suitable for analytical and pharmacokinetic studies.
- Soluble in DMSO and DMF; limited solubility in ethanol.
- Recommended storage: powder at -20°C; in solution at -80°C for extended storage.
Cayman Chemical Tiopronin-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 1189700-74-0, 1 mg
An internal standard for the quantification of tiopronin by GC- or LC-MS
Medchemexpress LLC Chlorpropham-d7 | 2140327-49-5 | 99.0% | 220.70 | C10H5D7ClNO2 | 1 MG
Chlorpropham-d7 is a deuterium-labeled isotopic standard of the herbicide chlorpropham intended for analytical and research applications. It is used as an internal standard or tracer in mass spectrometry and isotope-dilution studies to enable accurate quantification and method validation.
- Deuterium-labeled isotopic standard for analytical use.
- Molecular formula C10H5D7ClNO2 and molecular weight 220.70.
- High purity: 99.0% (HPLC) as reported on the certificate of analysis.
- Intended for use as an internal standard or tracer in mass spectrometry and quantitative analysis.
- Storage: powder -20°C (stable for 3 years); in solvent -80°C for 6 months, -20°C for 1 month.
Medchemexpress LLC Squalane-d62 | 16514-83-3 | 5 MG
Squalane-d62 is the deuterium labeled Squalane, a saturated derivative of Squalene found in certain fish and vegetable oils. It exhibits anticancer, antioxidant, skin hydrating, and emollient activities. Deuteration, incorporating stable heavy isotopes of hydrogen, carbon, and other elements, has gained attention for its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated into drug molecules as tracers for quantitation during drug development.
Cayman Chemical Deferasirox-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1133425-75-8, 1 mg
An internal standard for the quantification of deferasirox by GC- or LC-MS
Medchemexpress LLC Dienestrol-d2 | 1346606-45-8 | 500 UG
Dienestrol-d2 is a deuterium labeled Dienestrol. Stable heavy isotopes have been incorporated into drug molecules, primarily as tracers for quantitation during drug development. Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled compound
- Used as tracers for quantitation
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Alpha-D-glucose-13C | 287100-64-5 | 99.4% | 50 MG
Alpha-D-glucose-13C is the 13C labeled alpha-D-glucose, an endogenous metabolite. Stable heavy isotopes, such as carbon-13, are incorporated into drug molecules for use as tracers in quantitation during drug development. This compound is for research use only.
- Used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes incorporated into drug molecules
- Potential to affect pharmacokinetic and metabolic profiles of drugs (deuteration)
Medchemexpress LLC Morpholine-d4 hydrochloride | 1115228-35-7 | 127.61 | 1 G
Morpholine-d4 hydrochloride is the deuterium labeled Morpholine hydrochloride. It 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.
Medchemexpress LLC L-histidine-d5 hydrochloride hydrate | 2483831-75-8 | 99.6% | 214.66 g/mol | C6H7D5ClN3O3 | 100 MG
L-histidine-d5 hydrochloride hydrate is the deuterium-labeled form of L-histidine hydrochloride hydrate supplied as a hydrochloride hydrate salt. It is intended for analytical and research use as an isotopically labeled standard or tracer for mass spectrometry and metabolic studies, enabling accurate quantitation and isotope-tracing experiments.
- Deuterium-labeled amino acid useful for isotope tracing and metabolic studies.
- High purity (99.63%) suitable for analytical applications.
- Molecular formula C6H7D5ClN3O3 and molecular weight 214.66 g/mol.
- Available in small pack sizes appropriate for standards (1 mg-500 mg).
- Supplied as a hydrochloride hydrate for enhanced solubility and stability.
- Suitable as an internal standard for quantitative mass spectrometry.
![Revvity Health Sciences Inc Adenosyl-L-Methionine, S-[methyl-<sup>3</sup>H]-, 5-15 Ci/mmol (185-555GBq/mmol), 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502811040.jpg-250.jpg)
Revvity Health Sciences Inc Adenosyl-L-Methionine, S-[methyl-3H]-, 5-15 Ci/mmol (185-555GBq/mmol), 250µCi (9.25MBq)
Adenosyl-L-Methionine, S-[methyl-3H]-, 5-15 Ci/mmol (185-555GBq/mmol), 250µCi (9.25MBq)