Isotopically Labeled Compounds
Cambridge Isotope Laboratories EPICHOLESTEROL (3,4-13C2, 99%), 0.1 G
EPICHOLESTEROL (3,4-13C2, 99%), 0.1 G
Cambridge Isotope Laboratories L-ALANINE (1-13C, 99%; 15N, 98%), 0.25 G
L-ALANINE (1-13C, 99%; 15N, 98%), 0.25 G
Cambridge Isotope Laboratories 1-PHENYLETHANOL (1,2,2,2-D4, 98%), 5 G
1-PHENYLETHANOL (1,2,2,2-D4, 98%), 5 G
Medchemexpress LLC Elimusertib-d3 | 00-00-0 | 98.9% | 378.45 | C20H18D3N7O | 1 MG
Elimusertib-d3 is the deuterium-labeled analog of elimusertib, a potent and selective ATR kinase inhibitor. It is supplied as a high-purity analytical standard for research use, suitable for bioanalytical quantitation, metabolic profiling, and mechanistic investigations in oncology research.
- Deuterium-labeled analog for use as an internal standard in mass spectrometry.
- High purity (98.9%).
- Suitable for bioanalytical quantitation and pharmacokinetic studies.
- Useful for metabolic and mechanistic investigations.
- Supplied in a small, defined quantity for analytical applications (1 mg).
- Molecular formula C20H18D3N7O; molecular weight 378.45.
Medchemexpress LLC Norquetiapine-d8 (N-desalkylquetiapine-d8) | 1189866-35-0 | 303.45 | C17H9D8N3S | 1 MG
Norquetiapine-d8 (N-desalkylquetiapine-d8) is a deuterium-labeled analogue of norquetiapine supplied for research use as an isotopically labeled internal standard or tracer in quantitative analytical methods. It is intended for use in pharmacological and analytical studies, including method development and validation.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Isotopic label: d8; useful as a tracer or internal standard.
- Chemical formula C17H9D8N3S; molecular weight 303.45.
- Available as a 1 mg vial; purity and storage per certificate of analysis.
Cayman Chemical PalmItIc AcId-d2 500mg
An internal standard for the quantification of palmitic acid by GC- or LC-MS
Cayman Chemical N-NItroso DesloratdIn-d4 1mg
An internal standard for the quantification of N-nitroso desloratadine by GC- or LC-MS
Cambridge Isotope Laboratories Dopamine HCl (2-(3 4-dihydroxyphenyl)- ethylamine HCl) (1 1 2 2-D4 97-98%) 0 01 g
Dopamine HCl (2-(3 4-dihydroxyphenyl)- ethylamine HCl) (1 1 2 2-D4 97-98%) 0 01 g
American Radiolabeled Chemicals Inc A-BUNGAROTOXIN 125I 250UC
a-Bungarotoxin, Tyr54-125I 250uCi in buffered solution (pH 7.2), 0.25 mCi/ml, S.A. 2200 Ci/mmol, M.W. 7984
Medchemexpress LLC D-ribose-d6 | 99.9% | 156.17 g/mol | C5H4D6O5 | 1 MG
D-Ribose-d6 is a deuterium-labeled form of D-ribose used as an isotopic standard and tracer in analytical and biochemical research. It provides a mass-shifted reference for accurate identification and quantitation in MS and NMR studies, and is suitable for metabolic labeling and tracer experiments requiring deuterium enrichment.
- Deuterium-labeled (d6) isotopic standard.
- High purity, suitable for analytical use.
- Molecular weight 156.17 g/mol; formula C5H4D6O5.
- Compatible with mass spectrometry and NMR applications.
- Packaged for small-scale laboratory research.
Medchemexpress LLC D-glucose-13C2 | 201741-04-0 | MFCD00144082 | 98.0% | 182.14 g/mol | C4(13)C2H12O6 | 10 MG
D-Glucose-13C2 is a 13C2-labeled form of D-glucose provided as a purified stable-isotope tracer for metabolic, analytical, and mass spectrometry applications. It is supplied as a dry, crystalline material in pre-weighed quantities for laboratory use.
- 13C2 isotopic labeling for metabolic tracing and flux analysis.
- Purity 98.0% suitable for analytical and MS applications.
- Molecular weight 182.14 g/mol and formula C4(13)C2H12O6.
- Available in small pre-weighed packages for convenient handling.
- Supplied as a stable, dry crystalline material for reliable storage.
Sigma Aldrich Fine Chemicals Biosciences Cyclohexanone-2,2,6,6-d4 98 atom % D | 1006-03-7 | MFCD00144022 | 5G
Cyclohexanone-2,2,6,6-d4 98 atom % D | Purity: 99% (CP) | Mol Wt: 102.17 | 1006-03-7 | MFCD00144022 | 5G
Medchemexpress LLC Cetirizine-d4 dihydrochloride | 83881-52-1 | ≥98.0% | 10 MG
Cetirizine-d4 dihydrochloride is a deuterium-labeled research standard of cetirizine, supplied for analytical and laboratory use. The compound is provided as the dihydrochloride salt and is intended for use as an internal standard or tracer in mass spectrometry and chromatographic assays.
- Deuterium-labeled for mass spectrometry and tracer studies.
- Dihydrochloride salt for consistent handling and stability.
- High chemical purity (≥98.0%).
- Supplied in small milligram quantities suitable for analytical standards.
- Suitable as an internal standard for HPLC-MS and quantitative assays.