Isotopically Labeled Compounds
Cayman Chemical ProstaglndIn F2a-d4 50ug
An internal standard for the quantification of PGF2α by GC- or LC-MS.
Medchemexpress LLC Prostaglandin D2-d4 | 211105-29-2 | 98.8% | 356.49 | C20H28D4O5 | 50 UG
Prostaglandin D2-d4 is a deuterium-labeled analogue of prostaglandin D2 supplied as a solution in methyl acetate for use as an internal standard in GC- or LC-MS assays. It is intended for research use to support accurate quantification of PGD2 in biological samples and analytical workflows.
- Deuterium-labeled internal standard for PGD2 quantification by GC- or LC-MS.
- High chemical purity (98.8%) for reliable analytical performance.
- Supplied as a microgram-scale solution suitable for trace-level analyses.
- Stable when stored at -20°C for up to two years.
- Molecular formula C20H28D4O5 and molecular weight 356.49 aid compound identification.
Medchemexpress LLC Flurbiprofen-d5 | 215175-76-1 | MFCD27992097 | 99.8% | 249.29 g/mol | C15H8D5FO2 | 5 MG
Flurbiprofen-d5 is the deuterium-labeled isotopologue of flurbiprofen used as a stable isotope reference standard for analytical and mass spectrometry applications. It functions as an internal standard for quantitative LC-MS/MS assays and is provided in small, accurately weighed packages for method development and validation.
- Deuterated internal standard for LC-MS quantitation.
- High chemical purity: 99.8%.
- Molecular formula C15H8D5FO2 and molecular weight 249.29 g/mol.
- Supplied in small, calibrated quantities for accurate dosing.
- Suitable for method development, validation, and quantitative analysis.
Medchemexpress LLC Dopamine-13C hydrochloride | 335081-04-4 | 99.7% | 1 MG
Dopamine-13C hydrochloride | 335081-04-4 | 99.7% | 1 MG
Cambridge Isotope Laboratories Pentachlorobenzene (unlabeled) 100 ug/mL in isooctane 1 2 mL
Pentachlorobenzene (unlabeled) 100 ug/mL in isooctane 1 2 mL
![Revvity Health Sciences Inc GLP-1 (7-36), [<sup>125</sup>I]-, 10µCi (370kBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC2307162.jpg-250.jpg)
Revvity Health Sciences Inc GLP-1 (7-36), [125I]-, 10µCi (370kBq)
GLP-1 (7-36), [125I]-, 10µCi (370kBq)
Cayman Chemical LaurIc AcId-13C 500mg
An internal standard for the quantification of lauric acid by GC- or LC-MS
Medchemexpress LLC Fenoterol-d6 hydrobromide | 1286129-04-1 | 98.0% | 5 MG
Fenoterol-d6 hydrobromide | 1286129-04-1 | 98.0% | 5 MG
Medchemexpress LLC Propazine-d14 | 1219802-87-5 | 99.0% | 5 MG
Propazine-d14 is a deuterium labeled Propazine, intended for research use only. It can serve as a tracer or an internal standard for quantitative analysis in various analytical techniques such as NMR, GC-MS, or LC-MS. Stable heavy isotopes like deuterium are incorporated into drug molecules primarily for quantitation during drug development and can also influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Acts as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes to aid in drug development.
- Potential to affect pharmacokinetic and metabolic profiles of drugs.
Cayman Chemical AbacavIr-d4 500ug
An internal standard for the quantification of abacavir by GC- or LC-MS
Cayman Chemical Sphingosine d17 1
A naturally-occurring but uncommon form of sphingosine, accounting for approximately 13% of the sphingosine in human skin; can be phosphorylated by sphingosine kinases to produce C17 sphingosine-1-phosphate
Medchemexpress LLC Guanine-13C | 201489-20-5 | 99.5% | 152.12 g/mol | C413CH5N5O | 1mg
Guanine-13C is the 13C labeled Guanine[1] Guanine (2-Aminohypoxanthine) is one of the fundamental components of nucleic acids (DNA and RNA) Guanine is a purine derivative consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds
Cambridge Isotope Laboratories Glycan-N48-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol
Glycan-N48-13C-Gal6 6 6 ([galactose-13C6 99%]3) 500 pmol