Isotopically Labeled Compounds
![Revvity Health Sciences Inc Oxytocin, [Tyrosyl-3,5-<sup>3</sup>H]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810506.jpg-250.jpg)
Revvity Health Sciences Inc Oxytocin, [Tyrosyl-3,5-3H]-, 50µCi (1.85MBq)
Oxytocin, [Tyrosyl-3,5-3H]-, 50µCi (1.85MBq)
Medchemexpress LLC Phenol, 2-(methoxy-d3)- | 74495-69-5 | 99.0% | 127.16 g·mol⁻1 | C7H5D3O2 | 10 MG
Guaiacol-d3 (2-Methoxyphenol-d3) is a deuterium-labeled isotopologue of guaiacol supplied as a high-purity analytical standard and research reagent. It is intended for use as a stable isotope internal standard, in mass spectrometry, metabolic tracing, and mechanistic studies where deuterium labeling facilitates compound identification and quantitation.
- Deuterium-labeled guaiacol for analytical applications.
- Chemical formula C7H5D3O2; molecular weight 127.16 g·mol⁻1.
- High purity: 99.0%.
- Suitable as a mass spectrometry internal standard and tracer.
- Available in small pack sizes for laboratory use (e.g., 10 MG).
Cambridge Isotope Laboratories GUANOSINE 5'-TRIPHOSPHATE (GTP), AMMONIUM SALT (D, 97%+) CHEM PUR. >90% (IN SOLN), 50 UMOL
GUANOSINE 5'-TRIPHOSPHATE (GTP), AMMONIUM SALT (D, 97%+) CHEM PUR. >90% (IN SOLN), 50 UMOL
Medchemexpress LLC Spermine-d20 | 71-44-3 | 98.5% | 222.46 g/mol | C10H6D20N4 | 25 MG
Spermine-d20 is a deuterium-labeled isotopologue of the polyamine spermine supplied as a research-grade stable isotope standard for analytical and biological studies. It is intended for use as an internal standard, tracer, or reference material in mass spectrometry and metabolomics. For research use only.
- Deuterium-labeled standard for isotope dilution and tracer studies.
- High purity suitable for analytical applications.
- Used as an internal standard in LC-MS/MS and GC-MS workflows.
- Supplied as a small quantity solid to minimize waste for method development.
- Intended for research use only; not for human or clinical applications.
Cambridge Isotope Laboratories MIXED FATTY ACIDS (U-13C, 98%+; U-D, 97%+), 1 G
MIXED FATTY ACIDS (U-13C, 98%+; U-D, 97%+), 1 G
Cambridge Isotope Laboratories SODIUM ACETATE (1,2-13C2, 99%), 5 G, 56374-56-2
SODIUM ACETATE (1,2-13C2, 99%), 5 G, 56374-56-2
Cambridge Isotope Laboratories DIETHANOLAMINE (ETHYLENE-D8, 98%), 1 G, 103691-51-6
DIETHANOLAMINE (ETHYLENE-D8, 98%), 1 G, 103691-51-6
![Revvity Health Sciences Inc Glucose, D-[3-3H]-, Aqueous Solution, 1 mCi (37 MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810504.jpg-250.jpg)
Revvity Health Sciences Inc Glucose, D-[3-3H]-, Aqueous Solution, 1 mCi (37 MBq)
Glucose, D-[3-3H]-, Aqueous Solution, 1 mCi (37 MBq)
Medchemexpress LLC Adipic acid-d10 | 25373-21-1 | MFCD00190459 | 99.9% | 156.20 | C6D10O4 | 50 MG
Adipic acid-d10 is the fully deuterated isotopologue of adipic acid used as a stable-isotope analytical standard and tracer for method development. It provides high isotopic enrichment and chemical purity for reliable quantitation in research-scale analytical workflows.
- Deuterated stable-isotope standard for analytical applications.
- High isotopic enrichment and chemical purity (reported 99.93%).
- Suitable as an internal standard for mass spectrometry and NMR.
- Formula C6D10O4 and molecular weight 156.20 for accurate calculations.
- Available in small research-scale quantities for method development.
Cayman Chemical DesethylchloroquIn-d4 1mg
An internal standard for the quantification of desethylchloroquine by GC- or LC-MS
Cayman Chemical FluvoxamIn-d4maleate 5mg
An internal standard for the quantification of fluvoxamine by GC- or LC-MS
Medchemexpress LLC 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone-d4 | 764661-24-7 | 99.7% | 211.25 g/mol | C10H9D4N3O2 | 5 MG
NNK-d4 is the deuterium-labeled analogue of the tobacco-specific nitrosamine NNK, provided for research use as an isotopic tracer or internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It is intended for laboratory research only and not for human use.
- High purity (99.65%).
- Isotopically labeled to improve quantitation and traceability in mass spectrometry.
- Soluble in DMSO at ≥ 62.5 mg/mL for easy sample preparation.
- Suitable as a tracer or internal standard for NMR, GC-MS, and LC-MS workflows.
- Provided with supporting documentation including COA and SDS.
Selleck Chemical LLC L-Xylose
L-Xylose is a synthesized levorotary form of Xylose a sugar first isolated from wood
