Isotopically Labeled Compounds
Cayman Chemical ClofIbrIc AcId-d4 10mg
An internal standard for the quantification of clofibric acid by GC- or LC-MS
Cambridge Isotope Laboratories 5-BETA-PREGNAN-3-ALPHA-OL-20-ONE (17,21,21,21-D4, 96-98%), 0.01 G
5-BETA-PREGNAN-3-ALPHA-OL-20-ONE (17,21,21,21-D4, 96-98%), 0.01 G
Cambridge Isotope Laboratories PALMITIC ACID (METHYL-D3, 98%), 0.5 G
PALMITIC ACID (METHYL-D3, 98%), 0.5 G
Cambridge Isotope Laboratories CLOZAPINE (4-METHYLPIPERAZINYL-D4, 97%), 0.01 G, 204395-52-8
CLOZAPINE (4-METHYLPIPERAZINYL-D4, 97%), 0.01 G, 204395-52-8
Cayman Chemical Sphingosine Kinase Inhibitor
An SPHK1 inhibitor (IC50 = 0.5 µM for non-ATP-competitive inhibition of human recombinant SPHK1); selective for SPHK1 over ERK2, PI3K, and PKCα at 50s = 0.9-4.6 µM)
Cambridge Isotope Laboratories L-LEUCINE-N-FMOC (1,2-13C2, 99%), 0.1 G
L-LEUCINE-N-FMOC (1,2-13C2, 99%), 0.1 G
Cayman Chemical Hydroxy IpronIdazole-d3 2.5mg
An internal standard for the quantification of hydroxy ipronidazole by GC- or LC-MS
![Revvity Health Sciences Inc Fractalkine (human, recombinant), [<sup>125</sup>I]-, 25µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/NC1762273.jpg-250.jpg)
Revvity Health Sciences Inc Fractalkine (human, recombinant), [125I]-, 25µCi
Fractalkine (human, recombinant), [125I]-, 25µCi
Cayman Chemical DaIdzeIn-d4 500ug
An internal standard for the quantification of daidzein by GC- or LC-MS
Medchemexpress LLC Dodecanoic-12,12,12-d3 acid | 79050-22-9 | MFCD00190437 | 98.9% | 203.34 g/mol | C12H21D3O2 | 5mg
Lauric acid-d33 is the deuterium labeled Lauric acid Lauric acid is a middle chain-free fatty acid with strong bactericidal properties The EC50s for P acnes S aureus S epidermidis are 2 6 4 g/mL respectively
Medchemexpress LLC Enclomiphene-d4 | 00-00-0 | 99.9% | 409.98 g/mol | C26H24D4ClNO | 5 MG
Enclomiphene-d4 is a deuterium-labeled analogue of enclomiphene provided for use as a tracer and internal standard in quantitative analytical workflows. It is intended for research applications where stable-isotope labeling improves accuracy and precision in NMR, GC-MS, and LC-MS assays.
- Deuterium-labeled internal standard for quantitative analysis by NMR, GC-MS, and LC-MS.
- High purity: 99.85%.
- Molecular formula C26H24D4ClNO and molecular weight 409.98 g/mol.
- Available in small research quantities suitable for analytical workflows.
- Includes supporting documentation such as COA, HNMR, RP-HPLC, and LCMS reports.
Cambridge Isotope Laboratories TAURINE (1,2-13C2, 98%), 0.5 G, 70155-54-3
TAURINE (1,2-13C2, 98%), 0.5 G, 70155-54-3
Medchemexpress LLC N-Carbamimidoyl-N-(methyl-d3)glycine-2,2-d2 hydrate | 99.9% | 154.18 g/mol | C4H6D5N3O3 | 10 MG
Creatine-d5 monohydrate is a deuterium-labeled isotopic standard of creatine monohydrate designed for research and analytical applications. It is used as an internal standard in mass spectrometry and other bioanalytical assays to improve quantitation accuracy and traceability in metabolic and pharmacokinetic studies.
- High isotopic enrichment for reliable mass-differentiation.
- High chemical purity (99.93%).
- Molecular formula: C4H6D5N3O3.
- Molecular weight: 154.18 g/mol.
- Provided with certificate of analysis and datasheet.
- Available in small pack sizes suitable for analytical use.
- Suitable as an internal standard for LC-MS applications.
Cayman Chemical Methotrexate-d3 500ug
An internal standard for the quantification of methotrexate by GC- or LC-MS