Isotopically Labeled Compounds
Medchemexpress LLC Prednisone-d8 | 98.0% | 250 UG
Prednisone-d8 is a deuterium labeled Prednisone, which is a synthetic corticosteroid and effective immunosuppressant. It is suitable for research use as a tracer and internal standard in quantitative analysis methods such as NMR, GC-MS, or LC-MS.
- Molecular weight: 366.48
- Formula: C21H18D8O5
- Appearance: Solid
- Color: White to off-white
- Purity: 98.00%
- Ships at room temperature in continental US
- Powder storage: -20°C for 3 years, 4°C for 2 years
- In solvent storage: -80°C for 6 months, -20°C for 1 month
Medchemexpress LLC 5α-Androstenone-d4 | 18339-16-7 | 99.98% | 276.45 | 2.5 MG
5α-Androstenone-d4 is a deuterium-labeled form of 5α-Androstenone, used primarily in laboratory research. It serves as a tracer or internal standard for quantitative analysis methods like NMR, GC-MS, and LC-MS. Deuteration has gained attention for its potential to modify the pharmacokinetic and metabolic profiles of drug molecules.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Intended for research use only
- Not for sale to patients
- Potential to affect pharmacokinetic and metabolic profiles
Medchemexpress LLC Nicarbazin-d8 | 00-00-0 | MFCD00867204 | 100.0% | 434.43 | C19H10D8N6O6 | 1 MG
Nicarbazin-d8 is a deuterium-labeled analogue of nicarbazin intended for use as an analytical internal standard and tracer in drug metabolism, pharmacokinetic, and quantitative bioanalytical studies. Supplied as a white to off-white powder for research use only; not for human or veterinary use.
- Deuterium-labeled (d8) isotopologue for clear mass shifts in mass spectrometry analyses.
- High purity suitable for use as an internal standard in LC-MS, GC-MS, and NMR.
- Solid powder form with defined storage conditions to preserve stability.
- Appropriate for pharmacokinetic, metabolism, and quantitative analytical studies.
- White to off-white color enables easy visual inspection.
- Available in small research pack sizes for analytical workflows.
Medchemexpress LLC 1,3-17:0 DG-d5 | 1246523-65-8 | 99.9% | 602.00 | 1 MG
1,3-17:0 DG-d5 is the deuterium-labeled form of 1,3-17:0 DG. It is used as a tracer and as an internal standard in NMR, GC-MS, or LC-MS analysis for quantitative analysis. Deuteration has been shown to potentially impact the pharmacokinetic and metabolic profiles of drugs.
- Deuterium-labeled form of 1,3-17:0 DG
- Used as a tracer
- Used as an internal standard in NMR, GC-MS, or LC-MS analysis for quantitative analysis
- Deuteration can potentially impact pharmacokinetic and metabolic profiles of drugs
![Revvity Health Sciences Inc Estradiol, [2,4,6,7-<sup>3</sup>H(N)]- 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810974.jpg-250.jpg)
Revvity Health Sciences Inc Estradiol, [2,4,6,7-3H(N)]- 250µCi (9.25MBq)
Estradiol, [2,4,6,7-3H(N)]- 250µCi (9.25MBq)
Medchemexpress LLC Iohexol-d5 | 928623-33-0 | 100.0% | 1 MG
Iohexol-d5 is a deuterium-labeled derivative of Iohexol, a widely recognized radiographic contrast agent. This product is suitable for various imaging applications including myelography, computerized tomography, and MicroCT imaging. It also serves as a valuable tool in quantitative analysis as a tracer or internal standard for techniques like NMR, GC-MS, and LC-MS.
- Deuterium-labeled compound for research applications
- Functions as a radiographic contrast agent
- Useful as a tracer in analytical studies
- Can be used as an internal standard for quantitative analysis
- Suitable for myelography and computerized tomography
Medchemexpress LLC Ponesimod-d7 1mg | 1MG
Ponesimod-d7 (ACT-128800-d7) is the deuterium-labeled Ponesimod (HY-10569) Ponesimod-d7 (ACT-128800) is a potent selective and orally active agonist of S1P1 with an IC50 of 6 nM in a radioligand binding assay Ponesimod-d7 activates S1P1-mediated signal transduction with high potency (EC50 5 7 nM) Ponesimod-d7 can protect against lymphocyte-mediated tissue inflammation[1 [2 [3
Medchemexpress LLC Afatinib-d6 | 1313874-96-2 | 99.0% | 491.98 | C24H19D6ClFN5O3 | 10 MG
Afatinib-d6 is a deuterium-labeled analogue of the irreversible EGFR-family inhibitor afatinib, provided for research use as an internal standard or tracer in quantitative analytical methods (LC-MS, GC-MS, NMR). It is intended for analytical and pharmacokinetic studies where accurate quantification is required.
- Deuterium-labeled internal standard for afatinib quantification.
- High deuterium incorporation; purity ≥99.0%.
- Molecular formula C24H19D6ClFN5O3; molecular weight 491.98.
- Supplied as a 10 mg package suitable for analytical assays.
- For research use only; not for human or clinical use.
Medchemexpress LLC Fmoc-Pro-OH-13C5,15N | 1217452-48-6 | MFCD08702954 | 98% | 343.33 | 10 MG
Fmoc-Pro-OH-13C5,15N is a 15N-labeled and 13C-labeled proline derivative (Fmoc-Pro-OH). Stable heavy isotopes like these are incorporated into drug molecules for quantitation during drug development processes. This compound is also suitable for peptide synthesis.
- Isotopic purity 98 atom % 13C, 98 atom % 15N
- Solid form
- Suitable for bio NMR technique
- Melting point 117-118 °C
- Fmoc functional group
- Mass shift M+6
- Recommended storage at -20°C
Cambridge Isotope Laboratories SPIRULINA WHOLE CELLS (LYOPHILIZED POWDER) (U-13C, 97%+), 1 G
SPIRULINA WHOLE CELLS (LYOPHILIZED POWDER) (U-13C, 97%+), 1 G
Medchemexpress LLC Octanoic acid-d3 | 156779-05-4 | 99.1% | 147.23 | 100 MG
Octanoic acid-d3 is the deuterium-labeled Octanoic acid. Octanoic acid (Caprylic acid) is an oily liquid with a slightly unpleasant rancid taste and is used commercially in the production of esters for perfumery and in the manufacture of dyes. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- 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 Pyrazine-d4 | 1758-62-9 | 84.11 | 1 MG
Pyrazine-d4 is a deuterium-labeled pyrazine designed for research applications. This compound is primarily used as a tracer for quantitation during drug development processes. The incorporation of stable heavy isotopes, such as deuterium, into drug molecules has been shown to affect pharmacokinetic and metabolic profiles.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical ResolvIn D3 100ug
A DHA-derived product first identified in mouse inflammatory exudates; reduces neutrophil infiltration in vivo in both mouse peritonitis and dermal inflammation; enhances macrophage phagocytosis and efferocytosis
Medchemexpress LLC Cytidine-13C (Cytosine β-D-riboside-13C) | 201996-57-8 | 99.0% | 100 MG
Cytidine-13C is a 13C labeled pyrimidine nucleoside that acts as a component of RNA. It is a precursor of uridine and controls neuronal-glial glutamate cycling, affecting cerebral phospholipid metabolism and catecholamine. This compound is intended for research use only and is not sold to patients.
- 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 Maprotiline-d3 hydrochloride | 1329496-63-0 | 98.8% | 1 MG
Maprotiline-d3 hydrochloride is a deuterium labeled version of Maprotiline hydrochloride. It is intended for research use only and not for patient use. Stable heavy isotopes, such as deuterium, are incorporated into drug molecules for use as tracers during drug development. 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 by NMR, GC-MS, or LC-MS