Isotopically Labeled Compounds
Cayman Chemical SulfamethIzole-d4 1mg
An internal standard for the quantification of sulfamethizole by GC- or LC-MS
Cambridge Isotope Laboratories METHANE (13C, 99.9%), 1 L, 6532-48-5
METHANE (13C, 99.9%), 1 L, 6532-48-5
Medchemexpress LLC Benzocaine-d4 | 342611-08-9 | MFCD01317357 | >=99.0% | 169.21 g/mol | C9H7D4NO2 | 10mg
Benzocaine-d4 is the deuterium labeled Benzocaine Benzocaine shares a common receptor with all othe rLAs in the voltage-gated Na channel with an IC50 of 0 8 mM tested with a potential of 30 mV
Cayman Chemical DL-CystIn-d4 100mg
An internal standard for the quantification of cystine by GC- or LC-MS
Medchemexpress LLC Ozenoxacin-d3 (hydrochloride) | 1797984-75-6 | ≥99.0% | 402.89 | C21H19D3ClN3O3 | 10 MG
Ozenoxacin-d3 hydrochloride is the deuterium-labeled isotopic standard of ozenoxacin hydrochloride intended for use as an analytical/internal standard in quantitative assays such as LC-MS/MS. Supplied as the hydrochloride salt, it is suitable for method development, validation, and accuracy assessment in trace-level quantitation.
Medchemexpress LLC Valproic acid-d4 (sodium salt) | 87745-17-3 | MFCD01311697 | 98.0% | 148.24 g/mol | C8H11D4NaO2 | 5 MG
Valproic acid-d4 (sodium salt) is the deuterium-labeled analogue of valproic acid, provided as a high-purity reagent for use as a stable isotope internal standard in quantitative mass spectrometry and bioanalytical assays. It is intended to improve accuracy and reproducibility in LC-MS and GC-MS method development, validation, and pharmacokinetic studies.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity (98.0%) for reliable analytical performance.
- Suitable for LC-MS and GC-MS quantitative assays.
- Provided as the sodium salt for improved solubility in aqueous media.
- Molecular formula C8H11D4NaO2; molecular weight 148.24 g/mol.
- Available in small analytical pack sizes for laboratory use.
![Revvity Health Sciences Inc Cholesteryl Hexadecyl Ether, [Cholesteryl-1,2-<sup>3</sup>H(N)]-,>97%, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812372.jpg-250.jpg)
Revvity Health Sciences Inc Cholesteryl Hexadecyl Ether, [Cholesteryl-1,2-3H(N)]-,>97%, 250µCi (9.25MBq)
Cholesteryl Hexadecyl Ether, [Cholesteryl-1,2-3H(N)]-,>97%, 250µCi (9.25MBq)
Medchemexpress LLC Pyridoxine-d2 hydrochloride | 5027-82-7 | MFCD12022329 | 98.9% | 207.65 g/mol | C8H10D2ClNO3 | 10 MG
Pyridoxine-d2 hydrochloride is the deuterium-labeled form of pyridoxine (vitamin B6) supplied as the hydrochloride salt for research use. It is a pyridine derivative reported to exert antioxidant effects in cell models via the Nrf-2/HO-1 pathway and is used in biochemical and metabolic studies where deuterium labeling aids tracking and quantitation.
- Deuterium label enables metabolic tracing and mass spectrometry quantitation.
- High purity (98.9%) suitable for analytical applications.
- White to off-white solid, stable under recommended storage.
- Store at 4°C in a sealed container to minimize moisture exposure.
- Available in milligram-scale quantities for laboratory research.
Medchemexpress LLC Benzbromarone-d5 | 3562-84-3 | 99.42% | 1 MG
Benzbromarone-d5 is a deuterium labeled Benzbromarone, for research use only. It serves as a tracer and internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes of hydrogen, carbon, and other elements, like those in Benzbromarone-d5, have been incorporated into drug molecules primarily as tracers for quantitation during the drug development process. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
Cambridge Isotope Laboratories Desisopropylatrazine (ring-13C3 99%) 100 ug/mL in acetonitrile 1 2 mL
Desisopropylatrazine (ring-13C3 99%) 100 ug/mL in acetonitrile 1 2 mL
Medchemexpress LLC Z,Z-Dienestrol-d6 | 91297-99-3 | 99.8% | 272.37 | 1 MG
Z,Z-Dienestrol-d6 is the deuterium labeled Z,Z-Dienestrol. This compound can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Cayman Chemical IndomethacIn-d4 1mg
An internal standard for the quantification of indomethacin by GC- or LC-MS
Sigma Aldrich Fine Chemicals Biosciences D Glucose 1 13C 99 atom 11G
D GLUCOSE D Glucose 1 13C 99 atom 11G
Medchemexpress LLC Buspirone-d8 hydrochloride | 1216761-39-5 | 1 MG
Buspirone-d8 (hydrochloride) is the deuterium labeled Buspirone hydrochloride. Buspirone hydrochloride is an anxiolytic psychotropic agent, used to treat generalized anxiety disorder (GAD).
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.