Isotopically Labeled Compounds
Cayman Chemical DL-Aspartic Acid-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 14341-75-4, 50 mg
An internal standard for the quantification of aspartic acid by GC- or LC-MS
Cambridge Isotope Laboratories 2-MERCAPTOETHANOL (D6, 98%), 0.5 G, 203645-37-8
2-MERCAPTOETHANOL (D6, 98%), 0.5 G, 203645-37-8
Cambridge Isotope Laboratories TERT-BUTANOL (D9, 98%), 5 G, 25725-11-5
TERT-BUTANOL (D9, 98%), 5 G, 25725-11-5
Cambridge Isotope Laboratories L-METHIONINE (13C5, 99%; 15N, 99%), 0.05 G, 202468-47-1
L-METHIONINE (13C5, 99%; 15N, 99%), 0.05 G, 202468-47-1
Medchemexpress LLC 2,2'-bipyridine-d8 | 32190-42-4 | 99.3% | 164.24 g/mol | C10D8N2 | 1 MG
2,2′-Bipyridine-d8 is the deuterium-labeled isotopologue of 2,2′-bipyridine designed for use as a tracer or internal standard in quantitative analytical techniques such as NMR, GC-MS, and LC-MS. Sold for research use only, it is supplied in small-quantity formats for analytical and method development applications.
- Deuterium-labeled isotopologue suitable as tracer or internal standard.
- High purity (99.3%).
- Molecular formula C10D8N2; molecular weight 164.24 g/mol.
- Available in small quantities (1 mg) for analytical use.
- Documentation available: data sheet, certificate of analysis, and safety data sheet.
Medchemexpress LLC Bisphenol B-d8 | 2469735-90-6 | 98.9% | 250.36 | C16H10D8O2 | 5 MG
Bisphenol B-d8 is a deuterium-labeled isotopologue of bisphenol B provided in milligram quantities for analytical and research use. It is intended as a stable isotope internal standard for mass spectrometry and quantitative analysis of bisphenol compounds.
- Deuterium-labeled internal standard for mass spectrometry and quantitative analysis.
- Available in small milligram packs suitable for analytical workflows.
- High purity, 98.9%, suitable for analytical applications.
- Chemical formula C16H10D8O2 and molecular weight 250.36.
- For research use only; not for human or therapeutic use.
Cayman Chemical (±)-Nornicotine-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 66148-18-3, 1 mg
An internal standard for the quantification of (±)-nornicotine by GC- or LC-MS
Cambridge Isotope Laboratories DIETHYLSTILBESTROL (CIS/TRANS MIX) (RING-3,3',5,5'-DIETHYL-1,1,1',1'-D8, 98%), 0.1 G, 91318-10-4
DIETHYLSTILBESTROL (CIS/TRANS MIX) (RING-3,3',5,5'-DIETHYL-1,1,1',1'-D8, 98%), 0.1 G, 91318-10-4
Cambridge Isotope Laboratories DEUTERIUM (D, 99.9%) (D2,99.8%+HD,0.2%), 850 L, 7782-39-0
DEUTERIUM (D, 99.9%) (D2,99.8%+HD,0.2%), 850 L, 7782-39-0 **This item is shipped in a CODE H-8, 8L CARBON STEEL CYLINDER. The fee for the cylinder will need added to the order as a separate charge, per each. Please include part# NC2038865 to your order.
Cayman Chemical Myristic Acid-13C, Purity: ≥95%, CAS: 57677-52-8, 250 mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
Medchemexpress LLC Diethyl phosphoric acid-d10 | 2483831-48-5 | 99.7% | 164.16 g/mol | C4HD10O4P | 1 MG
Diethyl phosphate-d10-1 is the deuterium-labeled isotopologue of diethyl phosphoric acid used as an internal standard and reference material for analytical chemistry, particularly mass spectrometry and metabolite quantitation. It is supplied at high purity and is intended for research and analytical applications where isotopic labeling improves assay accuracy.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (99.7%) for reliable analytical performance.
- Suitable for quantitative analysis and method development.
- Available in small sample sizes for analytical workflows.
- Certificate of analysis and safety data sheet available.
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Revvity Health Sciences Inc Methionine, L-[35S]-, 5mCi (185MBq), 50mM Tricine, 10mM BME
Methionine, L-[35S]-, 5mCi (185MBq), 50mM Tricine, 10mM BME
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Revvity Health Sciences Inc L-[3,4-3H]-Glutamic Acid, 5mCi (185MBq)
L-[3,4-3H]-Glutamic Acid, 5mCi (185MBq)
Medchemexpress LLC Rac-atomoxetine-d5 hydrochloride | 1398065-95-6 | MFCD04972577 | 99.0% | 296.85 | C17H17D5ClNO | 1 MG
(Rac)-Atomoxetine-d5 hydrochloride is the deuterium-labeled form of atomoxetine hydrochloride provided for research and analytical use. It serves as an isotopically labeled internal standard or tracer for quantitative assays, particularly mass spectrometry, and is supplied as the hydrochloride salt with molecular weight 296.85 and formula C17H17D5ClNO.
- Deuterium-labeled internal standard for quantitative mass spectrometry.
- Hydrochloride salt form suitable for analytical workflows.
- High chemical purity (99.0%).
- Supplied in small, accurately weighed quantities for trace analysis.
- Suitable as tracer and internal standard for LC-MS/MS and GC-MS assays.
Cambridge Isotope Laboratories MALONIC ACID (2-13C, 99%), 0.5 G, 55514-11-9
MALONIC ACID (2-13C, 99%), 0.5 G, 55514-11-9