Isotopically Labeled Compounds
Cayman Chemical AcetamInophen-d4 25mg
An internal standard for the quantification of acetaminophen by GC- or LC-MS
![Revvity Health Sciences Inc Oleic Acid, [1-<sup>14</sup>C]-, 50µCi (1.85MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810386.jpg-250.jpg)
Revvity Health Sciences Inc Oleic Acid, [1-14C]-, 50µCi (1.85MBq)
Oleic Acid, [1-14C]-, 50µCi (1.85MBq)
Medchemexpress LLC 1-methylinosine-d3 | 00-00-0 | >98.0% | 285.27 g/mol | C11H11D3N4O5 | 5 MG
1-Methylinosine-d3 is the deuterium-labeled isotopologue of 1-methylinosine, a modified nucleoside located at position 37 (3' to the anticodon) of eukaryotic tRNA. Supplied as a stable isotope standard for analytical and research applications, it is provided in small milligram quantities and characterized for high purity.
Medchemexpress LLC Sitagliptin-d4 phosphate | 1432063-88-1 | MFCD25973056 | 99.5% | 509.33 | C16H14D4F6N5O5P | 5 MG
Sitagliptin-d4 phosphate is the deuterium-labeled isotopologue of sitagliptin phosphate used as an analytical reference standard. It is intended for LC-MS/MS quantitation, method development, and pharmacokinetic studies, providing consistent mass shift for accurate internal standardization and reliable assay performance.
- Deuterium-labeled internal standard for LC-MS/MS quantitation.
- High chemical purity and confirmed isotopic enrichment.
- Suitable for method development, calibration, and pharmacokinetic studies.
- Provided as a phosphate salt for stability and solubility.
- Available in small-mass package sizes suitable for analytical use.
Medchemexpress LLC Umifenovir-d6 (hydrochloride) | 2928218-29-3 | 519.91 | 500 UG
Umifenovir-d6 (hydrochloride) is a deuterated form of Umifenovir hydrochloride, primarily used as a laboratory chemical and in the manufacture of substances. It is stable under recommended storage conditions.
- Solid appearance
- Stable under recommended storage conditions
- Recommended storage at -20°C, sealed, and away from moisture
- For research use only
Medchemexpress LLC Ethephon-d4 | 1020719-29-2 | >98.0% | 148.52 g/mol | C2H2D4ClO3P | 10 MG
Ethephon-d4 is the deuterium-labeled analogue of ethephon intended for analytical and research use. It functions as a tracer and internal standard for quantitative methods and is suitable for NMR, GC-MS, and LC-MS applications.
- Deuterium-labeled internal standard suitable for quantitative analysis.
- High deuterium enrichment (≈99 atom % D) with chemical purity ≥98%.
- Compatible with NMR, GC-MS, and LC-MS workflows.
- Stable when stored sealed at 4°C; in solution: -80°C (up to 6 months) or -20°C (≈1 month).
- Supplied in small calibrated quantities for analytical use.
Medchemexpress LLC Cabozantinib-d6 | 1802168-46-2 | 98.14% | 100 MG
Cabozantinib-d6 is the deuterium labeled Cabozantinib. Cabozantinib is a potent multiple receptor tyrosine kinases (RTKs) inhibitor that inhibits VEGFR2, c-Met, Kit, Axl and Flt3 with IC50s of 0.035, 1.3, 4.6, 7 and 11.3 nM, respectively.
- 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 Glycine-2-13C,15N | 91795-59-4 | MFCD00064424 | 98.0% | 77.05 | C13CH515NO2 | 50mg
Glycine-2-13C 15N is the 13C- and 15N-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Cayman Chemical PIrlIndole-d4hydrochlorIde 1mg
An internal standard for the quantification of pirlindole by GC- or LC-MS
Cambridge Isotope Laboratories D-GLUCOSE (2-D, 98%), 1 G, 106032-60-4
D-GLUCOSE (2-D, 98%), 1 G, 106032-60-4
Cambridge Isotope Laboratories NITROMETHANE (15N, 98%+), 1 G, 23717-53-5
NITROMETHANE (15N, 98%+), 1 G, 23717-53-5
Medchemexpress LLC Tridecanoic acid-d2 | 64118-44-1 | MFCD00053328 | 25mg
Tridecanoic acid-d2 is the deuterium labeled Tridecanoic acid Tridecanoic acid (N-Tridecanoic acid) a 13-carbon medium-chain saturated fatty acid can serve as an antipersister and antibiofilm agent that may be applied to research bacterial infections Tridecanoic acid inhibits Escherichia coli persistence and biofilm formation[1]
![Revvity Health Sciences Inc Flunitrazepam, [Methyl-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-509051032.JPG-250.jpg)
Revvity Health Sciences Inc Flunitrazepam, [Methyl-3H]-, 250µCi (9.25MBq)
Flunitrazepam, [Methyl-3H]-, 250µCi (9.25MBq)
