Isotopically Labeled Compounds
Cayman Chemical Prnlukast-d4 1mg
An internal standard for the quantification of pranlukast by GC- or LC-MS
Cambridge Isotope Laboratories Orotic acid H2O (1 3-15N2 98%) 0 25 g
Orotic acid H2O (1 3-15N2 98%) 0 25 g
Medchemexpress LLC Lyso GB3-d7 | 2315262-44-1 | MFCD00036354 | ≥99.0% | 792.96 | 100 UG
Lyso GB3-d7 is deuterium labeled Lyso GB3. It is for research use only and can be used as a tracer and as an internal standard for quantitative analysis.
- Used as a tracer
- Internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Stable heavy isotopes incorporated into drug molecules
- Deuteration can influence pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC (±)-Fluoxetine-dd5 oxalate (phenyl-dd5) | 1219804-82-6 | C19H15D5F3NO5 | 1 MG
(±)-Fluoxetine-dd5 Oxalate (phenyl-dd5) is the deuterium labeled form of (±)-Fluoxetine Oxalate.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules for quantitation during drug development
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs
Cayman Chemical DofetIlIde-d4 500ug
An internal standard for the quantification of dofetilide by GC- or LC-MS
Medchemexpress LLC Catechol sulfate-d4 sodium | 00-00-0 | MFCD00015885 | 99.8% | 216.18 g/mol | C6HD4NaO5S | 5 MG
Catechol sulfate-d4 sodium is the deuterium-labeled (d4) sodium salt of catechol sulfate supplied for analytical and tracer applications. It is intended as an internal standard for quantitative NMR, GC-MS, and LC-MS workflows and is provided with high purity and manufacturer storage recommendations to maintain stability.
- High purity (99.78%) for accurate quantitation.
- Deuterium-labeled (d4) isotopologue suitable as an internal standard.
- Sodium salt form to aid aqueous solubility.
- Compatible with NMR, GC-MS, and LC-MS analytical methods.
- Molecular weight ≈ 216.18 g/mol; formula C6HD4NaO5S.
- Recommended storage: -20°C sealed; in solvent: -80°C (6 months), -20°C (1 month).
- Available in small milligram sizes for tracer and analytical use.
Cayman Chemical TauromurIcholIc AcId-d4s 1mg
An internal standard for the quantification of tauro-β-muricholic acid by GC- or LC-MS
Apexbio Technology LLC Deoxycholic acid sodium salt 302-95-4 100mg
Deoxycholic acid sodium salt (CAS 302-95-4) is a bile acid derivative that functions as an endogenous ligand for the G protein-coupled bile acid receptor TGR5 Through activation of TGR5 it modulates intracellular signaling pathways and enzymatic activities thereby influencing diverse cellular processes This compound is widely utilized in biomedical research to investigate bile acid-mediated signaling mechanisms and their involvement in physiological and pathological conditions particularly those related to metabolic regulation and gastrointestinal diseases
Carbosynth LLC. D-Luciferin Firefly, potassium salt, 115144-35-9, MFCD0044928, 0.25 g
Formula: C11H7KN2O3S2, Molecular weight: 318.42 g/mol, Store at -15°C, Synonyms: (S)-4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid potassium salt.
![Medchemexpress LLC Acetic acid, [2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl-2,2,3,3,5,5,6,6-d8]ethoxy]- | 774596-22-4 | 96.5% | 396.94 | 1 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000384304-logo.png-250.jpg){kind=logo}
Medchemexpress LLC Acetic acid, [2-[4-[(4-chlorophenyl)phenylmethyl]-1-piperazinyl-2,2,3,3,5,5,6,6-d8]ethoxy]- | 774596-22-4 | 96.5% | 396.94 | 1 MG
Cetirizine-d8 is a deuterium labeled Cetirizine. It is a specific, orally active, and long-acting histamine H1-receptor antagonist with antiallergic properties, inhibiting eosinophil chemotaxis during the allergic response.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Selleck Chemical LLC Heptadecanoic acid S3336-1g
Heptadecanoic acid (C17 0) an odd chain saturated fatty acid significantly inhibits cell proliferation and migration while promoting apoptosis in PC 9 and PC 9/GR cells Heptadecanoic acid is associated with several diseases including the incidence of coronary heart disease prediabetes and type 2 diabetes as well as multiple sclerosis
Cayman Chemical ArachIdIc AcId-d2 50mg
An internal standard for the quantification of arachidic acid by GC- or LC-MS
![Revvity Health Sciences Inc Peptide YY (Human), ([<sup>125</sup>I]-PYY), 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509050337.jpg-250.jpg)
Revvity Health Sciences Inc Peptide YY (Human), ([125I]-PYY), 10µCi
Peptide YY (Human), ([125I]-PYY), 10µCi