Isotopically Labeled Compounds
Cayman Chemical OclacItInIb-13C-d3 1mg
An internal standard for the quantification of oclacitinib by GC- or LC-MS
Cayman Chemical Sulfamethoxazole-d4 10mg
An internal standard for the quantification of sulfamethoxazole by GC- or LC-MS
Cambridge Isotope Laboratories MORPHOLINE-2,2,3,3,5,5,6,6-D8 (D, 98%), 1 G
MORPHOLINE-2,2,3,3,5,5,6,6-D8 (D, 98%), 1 G
Medchemexpress LLC γ-Glu-(Phe-13C9,15N) TFA | 99.7% | 418.25 | C713C9H19F3N15NO7 | 5 MG
γ-Glu-(Phe-13C9,15N) TFA is an isotopically labeled γ-glutamylphenylalanine supplied as the trifluoroacetate salt for use as an internal standard or tracer in analytical and metabolomics workflows. The phenylalanine residue is labeled with 13C9 and the amide nitrogen with 15N, enabling precise quantitation by mass spectrometry and NMR.
- Isotopically labeled phenylalanine residue (13C9) and 15N-labeled amide nitrogen.
- Supplied as the trifluoroacetate (TFA) salt for stability and handling.
- High purity as reported by batch COA (99.74% LCMS).
- Molecular weight approximately 418.25 Da.
- Suitable as internal standard, tracer, or reference in metabolomics and analytical methods.
- Available in small research quantities (for example, 5 mg) for analytical applications.
Cambridge Isotope Laboratories D-GLUCOSE (3-D1, 97-98%), 0.5 G, 51517-59-0
D-GLUCOSE (3-D1, 97-98%), 0.5 G, 51517-59-0
Medchemexpress LLC Adipic acid-d8 | 52089-65-3 | 99.7% | 154.19 g/mol | C6H2D8O4 | 100 MG
Adipic acid-d8 is the deuterium-labeled form of adipic (hexanedioic) acid supplied as a high-purity isotopic standard for analytical and research applications. It is used as an internal standard, tracer, or calibration reference in mass spectrometry, NMR, and method development.
- Deuterium-labeled (d8) for clear mass shifts in MS analyses.
- High purity suitable for use as an analytical reference material.
- Compact 100 mg quantity convenient for laboratory workflows.
- Known molecular weight and formula for accurate calculations.
- Suitable for quantitative LC-MS/MS, GC-MS, and NMR applications.
![Revvity Health Sciences Inc Bombesin, [<sup>125</sup>I]Tyr<sup>4</sup>-, 10µCi (370kBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-502097762.JPG-250.jpg)
Revvity Health Sciences Inc Bombesin, [125I]Tyr4-, 10µCi (370kBq)
Bombesin, [125I]Tyr4-, 10µCi (370kBq)
Medchemexpress LLC D-Fructose-13C-1 | 117013-19-1 | 5 MG
D-Fructose-13C-1 is a 13C labeled D-Fructose, a naturally occurring monosaccharide found in plants. This compound is intended for research use only and can be utilized as a tracer and an internal standard for quantitative analysis. Stable heavy isotopes, such as carbon-13, are incorporated into drug molecules primarily as tracers for quantitation during drug development, impacting pharmacokinetic and metabolic profiles.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories 3-EPI-25-HYDROXYVITAMIN D3 (6,19,19-D3,98%), 1 MG
3-EPI-25-HYDROXYVITAMIN D3 (6,19,19-D3,98%), 1 MG
Cambridge Isotope Laboratories L-ALANINE (2,3,3,3-D4, 98%; 15N, 98%), 0.25 G
L-ALANINE (2,3,3,3-D4, 98%; 15N, 98%), 0.25 G
Cambridge Isotope Laboratories VITAMIN K1 (PHYLLOQUINONE) (D7,99%) CHEM. PURITY 97%, 10 MG, 1233937-39-7
VITAMIN K1 (PHYLLOQUINONE) (D7,99%) CHEM. PURITY 97%, 10 MG, 1233937-39-7
Cambridge Isotope Laboratories L-VALINE (D8, 96%; 15N, 96%), 0.25 G
L-VALINE (D8, 96%; 15N, 96%), 0.25 G
Medchemexpress LLC D-Fructose-d | 374089-83-5 | 25 MG
D-Fructose-d is a deuterium labeled form of D-Fructose. D-Fructose, also known as D(-)-Fructose, is a naturally occurring monosaccharide commonly found in various plants.
- Deuterium labeled D-Fructose
- Naturally occurring monosaccharide
- Found in many plants
Medchemexpress LLC D-Fructose-13C2 | 2483736-14-5 | 25 MG
D-Fructose-13C2 is the 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants. This compound can be used as a tracer or as an internal standard for quantitative analysis.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Pristane-d40 | 16416-35-6 | 25 MG
Pristane-d40 is the deuterium labeled Pristane. Pristane (Norphytane) is a naturally occurring hydrocarbon oil found in small quantities in many plants, various marine organisms, and as the most active component of mineral oil. It is a non-antigenic adjuvant and induces MHC class II-restricted, arthritogenic T cells in the rat.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.