Isotopically Labeled Compounds
Medchemexpress LLC 1-hexanol-d11 | 2159-18-4 | MFCD08705002 | 99.3% | 113.24 | C6H3D11O | 10 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol supplied for analytical and research applications. It is intended for use as an isotope-labeled reagent or internal standard in mass spectrometry, NMR, and tracer studies, providing spectral clarity and reliable quantitation.
- High isotopic purity supporting accurate mass spectrometry and tracer experiments.
- High chemical purity to minimize interfering signals in analyses.
- Suitable as an internal standard for quantitative workflows.
- Compatible with MS and NMR analytical techniques.
- Available in multiple small pack sizes for method development and routine use.
- Specified storage conditions to preserve long-term stability.
Medchemexpress LLC Progesterone-13C2 | 82938-07-6 | 316.45 | 1 MG
Progesterone-13C2 is the 13C-labeled Progesterone, a steroid hormone that regulates the menstrual cycle and is crucial for pregnancy. It can be used as a tracer or as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cambridge Isotope Laboratories Di-n-butyl phosphate (D18 97%) 100 ug/mL in acetonitrile 1 2 mL
Di-n-butyl phosphate (D18 97%) 100 ug/mL in acetonitrile 1 2 mL
Cayman Chemical DesoxImetason-d3 1mg
An internal standard for the quantification of desoximetasone by GC- or LC-MS
Cayman Chemical SUCRALOSE-D6 1MG
An internal standard for the quantification of sucralose by GC- and LC-MS
Revvity Health Sciences Inc 14C & 3H Low Level Quenched Set, 20 mL Vial
14C & 3H Low Level Quenched Set, 20 mL Vial
Cayman Chemical ProstaglndIn B2-d4 100ug
An internal standard for the quantification of PGB2 by GC- or LC-MS.
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Cayman Chemical EtIfoxIn-13C-d3 500ug
An internal standard for the quantification of etifoxine by GC- or LC-MS
American Radiolabeled Chemicals Inc DAMP 2 8-3H 250UC
Deoxyadenosine 5'-2,8-3H monophosphate tetra(triethylammonium) salt 250uCi in ethanol:water (1:1), 1 mCi/ml, S.A. 10-25 Ci/mmol, Shipped in Dry Ice, Exclusive
Cayman Chemical LInoleoyl EthnolamIde-d4 5mg
An internal standard for the quantification of linoleoyl ethanolamide by GC- or LC-MS
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
Cayman Chemical PIrlIndole-d4hydrochlorIde 1mg
An internal standard for the quantification of pirlindole by GC- or LC-MS
Medchemexpress LLC Octadecanoic-1-13C acid | 85541-42-0 | 99.87% | 250 MG
Stearic acid-1-13C is the 13C labeled Stearic acid, a long chain dietary saturated fatty acid found in many animal and vegetable fats and oils. This compound is used as a tracer and internal standard for quantitative analysis. Stable heavy isotopes have been incorporated into drug molecules for quantitation during drug development, with the potential to affect pharmacokinetic and metabolic profiles.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS