Isotopically Labeled Compounds
Medchemexpress LLC C18 Glucosyl (β) ceramide (d18:1/18:0) | 95119-86-1 | 728.09 | 1 MG
GlcCer (d18:1/18:0) is a glycosphingolipid. It is promising for research of Parkinson disease and dementia with Lewy bodies.
- Glycosphingolipid
- Promising for research of Parkinson disease
- Promising for research of dementia with Lewy bodies
eMolecules 566-76-7 | Medchem Express | 16-Hydroxyestrone | 1mg | 713705683 | HY-113344 | MFCD00870436 | 286.371 | C18H22O3
Medchem Express | 16-Hydroxyestrone | 1mg | 713705683 | HY-113344 | 566-76-7 | MFCD00870436 | 286.371 | C18H22O3
Cayman Chemical MyrIstIc AcId-d27 100mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
Revvity Health Sciences Inc Unquenched 14C Low Level Standard, 20 mL Vial
Unquenched 14C Low Level Standard, 20 mL Vial
Cayman Chemical AcetamInophen-d4 25mg
An internal standard for the quantification of acetaminophen by GC- or LC-MS
Medchemexpress LLC Resorufin-d6 | 1196157-65-9 | MFCD11656671 | 97.3% | 219.23 | C12HD6NO3 | 1MG
Resorufin-d6 is the deuterium-labeled analog of resorufin, a highly fluorescent pink dye used for fluorescence-based detection of reactive oxygen and nitrogen species (ROS/RNS) and related assays. The isotopically labeled compound is intended for use as an internal standard, tracer, or reference in fluorescence and mass spectrometry workflows, providing mass differentiation while retaining resorufin's photophysical properties.
- Deuterium-labeled for use as an internal standard in analytical assays.
- Highly fluorescent with photophysical properties matching resorufin.
- Enables accurate quantification in fluorescence and mass spectrometry workflows.
- Typical purity reported at about 97.3% per certificate of analysis.
- Stable when stored sealed at low temperature and protected from moisture and light.
![Revvity Health Sciences Inc Glycerol, [<sup>14</sup>C(U)]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809040.jpg-250.jpg)
Revvity Health Sciences Inc Glycerol, [14C(U)]-, 50µCi (1.85MBq)
Glycerol, [14C(U)]-, 50µCi (1.85MBq)
Medchemexpress LLC Eravacycline-d4 dihydrochloride | 1207283-85-9 | 99.98% | 635.50 | 1 MG
Eravacycline-d4 (TP-434-d4) dihydrochloride is deuterium labeled Eravacycline. Eravacycline is a potent and broad-spectrum antibacterial agent. For research use only.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Glycolithocholic aci 100mg | 474-74-8 | 433.62 | C26H43NO4 | 100 MG
Glycolithocholic acid (lithocholylglycine) is an endogenous glycine-conjugated secondary bile acid supplied as an analytical standard for research and diagnostic assays, including studies of ulcerative colitis, non-alcoholic steatohepatitis, and primary sclerosing cholangitis.
- High purity: 99.90%.
- Molecular weight: 433.62 g/mol.
- Chemical formula: C26H43NO4.
- Available as solid packs including 100 mg, and smaller sizes.
- Also available as a 10 mM solution in DMSO for ready use.
- Includes supporting technical files: datasheet, COA, SDS, and spectral data.
- Intended for analytical and research applications.
Medchemexpress LLC Propofol-d17 β-D-glucuronide | 1683581-05-6 | 98.0% | 371.50 g/mol | C18H9D17O7 | 100 UG
Propofol-d17 β-D-glucuronide is a deuterium-labeled analogue of propofol β-D-glucuronide intended for use as a tracer and internal standard in quantitative analytical methods (NMR, GC-MS, LC-MS). It is provided as a white to off-white solid with high purity and characterized molecular properties, and is soluble in common organic solvents for analytical sample preparation.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity: 98.0%.
- Molecular weight 371.50 g/mol and formula C18H9D17O7.
- Soluble in ethanol, DMF, and DMSO (≥30 mg/mL).
- Available in microgram to milligram pack sizes for analytical use.
- Suitable for use as a tracer in metabolic and pharmacokinetic studies.
- Handle with care: use newly opened DMSO due to hygroscopicity.