Other Solvents
Revvity Health Sciences Inc 14C Extended Range Quenched Standards, 20 mL Vial
14C Extended Range Quenched Standards, 20 mL Vial
Cayman Chemical Methotrexate-d3 1mg
An internal standard for the quantification of methotrexate by GC- or LC-MS
Medchemexpress LLC Tempol-d17,15N | 90429-66-6 | 98.4% | 190.34 | C9HD1715NO2 | 10 MG
Tempol-d17,15N is the deuterium- and 15N-labeled analogue of Tempol (4-hydroxy-TEMPO), intended for research use as a stable isotope tracer and quantitative internal standard. The parent nitroxide functions as a superoxide dismutase (SOD)-mimetic that neutralizes reactive oxygen species, and isotopic labeling enables tracer studies and accurate quantitation in analytical workflows.
- Deuterium and 15N labeled for use as a stable isotope tracer.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS quantitation.
- High purity (98.4%) appropriate for analytical applications.
- Acts as an SOD-mimetic nitroxide that neutralizes reactive oxygen species.
- Available in small, weighed quantities for analytical and tracer studies.
Medchemexpress LLC (±)14(15)-DiHET-d11 | 98050-20-5 | 95.0% | C20H23D11O4 | 25 UG
(±)14,15-DiHETrE-d11 is the deuterium labeled metabolite of (±)14(15)-EET, formed by epoxide hydrolases. This compound is for research use only and not sold to patients. Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer or internal standard
- Suitable for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Prucalopride-13C,d3 | 2140306-00-7 | 99.0% | C1713CH23D3CIN3O3 | 1 MG
Prucalopride-13C,d3 is the 13C- and deuterium labeled Prucalopride, used largely as a tracer for quantitation during drug development. Deuteration has potential to affect the pharmacokinetic and metabolic profiles of drugs. This product has not been fully validated for medical applications and is for research use only.
- Stable heavy isotopes incorporated into drug molecules
- Potential to affect pharmacokinetic and metabolic profiles of drugs
- Target: 5-HT receptor
- Pathway: GPCR/G protein; neuronal signaling
Cayman Chemical ProstaglndIn B2-d4 1mg
An internal standard for the quantification of PGB2 by GC- or LC-MS.
Medchemexpress LLC Ribitol-3-13C (Adonitol-3-13C) | 488-81-3 | 99.7% | 153.14 g·mol⁻1 | C5H12O5 (3-13C) | 10 MG
Ribitol-3-13C is ribitol labeled with a single 13C isotope at the 3-position, supplied as a high-purity stable-isotope reference standard for analytical and metabolic studies. It is a crystalline pentose alcohol commonly used as an internal standard in mass spectrometry and for isotope tracing in metabolic flux experiments.
- Single 13C label at the 3-position for precise isotope tracing.
- High purity (99.7%) for accurate quantitation and low background.
- Suitable as an internal standard for LC-MS and GC-MS analyses.
- Useful for metabolic flux analysis and pentose phosphate pathway studies.
- Water-soluble crystalline material supplied in small mg quantities for analytical use.
Medchemexpress LLC L-lysine-13C dihydrochloride | 202190-50-9 | 99.9% | 220.10 | C5(13C)H16Cl2N2O2 | 10 MG
L-lysine-13C dihydrochloride is a stable-isotope labelled form of the essential amino acid L-lysine, provided as the dihydrochloride salt for tracer, metabolic, and mass-spectrometry studies. It is 13C-labelled at the carboxyl carbon and supplied as a white to off-white solid with high chemical purity.
- 13C-labelled at the carboxyl carbon for tracer and mass-spectrometry applications.
- Provided as the dihydrochloride salt for improved solubility and stability.
- High purity (99.9%) suitable for research use.
- White to off-white solid; molecular weight 220.10 g/mol.
- CAS number 202190-50-9 for unambiguous identification.
- Storage: store sealed at 4°C; in solvent, store at -80°C (6 months) or -20°C (1 month).
Cambridge Isotope Laboratories AMMONIUM SULFATE (15N2, 99%), 25 G, 43086-58-4
AMMONIUM SULFATE (15N2, 99%), 25 G, 43086-58-4
![Revvity Health Sciences Inc Ornithine Vasotocin Analog, [<sup>125</sup>I]-OVTA), 10µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810982.jpg-250.jpg)
Revvity Health Sciences Inc Ornithine Vasotocin Analog, [125I]-OVTA), 10µCi
Ornithine Vasotocin Analog, [125I]-OVTA), 10µCi
Cambridge Isotope Laboratories Uridine phosphoramidite (U-15N2 98%) CP 95% 50 mg
Uridine phosphoramidite (U-15N2 98%) CP 95% 50 mg
Sigma Aldrich Fine Chemicals Biosciences Formic acid-d2 | 920-42-3 | MFCD00037363 | 5 g
Formic acid-d2 | Purity: 99% | Mol Wt: 48.04 | 920-42-3 | MFCD00037363 | 5 g
Cayman Chemical nvIrapIn-d4 5mg
An internal standard for the quantification of nevirapine by GC- or LC-MS
![Revvity Health Sciences Inc Thyroxine, ([<sup>125</sup>I]-T4), L-[<sup>125</sup>I]-, 500µCi (18.5MBq), Specific Activity: 5700µCi (210MBq)/µg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812325.jpg-250.jpg)
Revvity Health Sciences Inc Thyroxine, ([125I]-T4), L-[125I]-, 500µCi (18.5MBq), Specific Activity: 5700µCi (210MBq)/µg
Thyroxine, ([125I]-T4), L-[125I]-, 500µCi (18.5MBq), Specific Activity: 5700µCi (210MBq)/µg
Medchemexpress LLC Amisulpride-d5 | 1216626-17-3 | 98.8% | 374.51 | C17H22D5N3O4S | 5 MG
Amisulpride-d5 is the deuterium-labeled form of amisulpride intended for research use as a tracer or internal standard. It maintains the pharmacological profile as a dopamine D2/D3 receptor antagonist and is provided as a white to off-white solid suitable for quantitative analyses by NMR, GC-MS, or LC-MS.
- Deuterium-labeled for isotope-dilution assays.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS.
- High purity (≈98.8%) appropriate for analytical applications.
- Soluble in DMSO and sparingly soluble in water; ultrasonic assistance recommended.
- Stable as a powder at -20°C for long-term storage.