Isotopically Labeled Compounds
Medchemexpress LLC D-ribose-d6 | 99.9% | 156.17 g/mol | C5H4D6O5 | 1 MG
D-Ribose-d6 is a deuterium-labeled form of D-ribose used as an isotopic standard and tracer in analytical and biochemical research. It provides a mass-shifted reference for accurate identification and quantitation in MS and NMR studies, and is suitable for metabolic labeling and tracer experiments requiring deuterium enrichment.
- Deuterium-labeled (d6) isotopic standard.
- High purity, suitable for analytical use.
- Molecular weight 156.17 g/mol; formula C5H4D6O5.
- Compatible with mass spectrometry and NMR applications.
- Packaged for small-scale laboratory research.
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Revvity Health Sciences Inc L-[Methyl-3H]-Methionine,>97%, 250µCi (9.25MBq)
L-[Methyl-3H]-Methionine,>97%, 250µCi (9.25MBq)
Revvity Health Sciences Inc 14C & 3H Extended Range Quenched Standards, 7 mL Vial
14C & 3H Extended Range Quenched Standards, 7 mL Vial
Cayman Chemical TelmIsartn-d3 1mg
An internal standard for the quantification of telmisartan by GC- or LC-MS
Medchemexpress LLC Carfilzomib-d8 | 1537187-53-3 | >99.0% | 728.0 g/mol | C40H49D8N5O7 | 1 MG
Carfilzomib-d8 is the octa-deuterated form of carfilzomib supplied for research and analytical use as an internal standard. It enables accurate quantification of carfilzomib in biological and pharmaceutical samples by GC- or LC-MS, with high isotopic enrichment and analytical-grade purity.
- Octa-deuterated internal standard suitable for LC- or GC-MS quantitation.
- High isotopic enrichment and purity for minimal analytical interference.
- Suitable for quantification in biological matrices and pharmacokinetic studies.
- Provided in small, pre-weighed quantities compatible with analytical workflows.
- Molecular formula C40H49D8N5O7 and formula weight 728.0 g/mol for reference.
Medchemexpress LLC L-Lysine-15N dihydrochloride | 204451-50-3 | > 98.0% | 220.10 | 1 MG
L-Lysine-15N dihydrochloride is a 15N-labeled L-Lysine dihydrochloride, primarily utilized as a tracer for quantitation in drug development processes. This compound incorporates stable heavy isotopes of hydrogen, carbon, and other elements for research applications.
- 15N-labeled L-Lysine dihydrochloride
- Suitable for research use only
- Store at 4°C, sealed, and away from moisture
- For solutions, store at -80°C for 6 months or -20°C for 1 month
Medchemexpress LLC R-praziquantel-d11 | 1399880-38-6 | MFCD19705058 | 99.6% | 323.47 g·mol⁻¹ | C19H13D11N2O2 | 5MG
(R)-Praziquantel-d11 is the deuterium-labeled R-enantiomer of praziquantel supplied as a high-purity analytical standard for use as a tracer or internal standard in quantitative NMR, GC-MS, and LC-MS workflows. The material is provided as a solid with recommended storage conditions to preserve isotopic and chemical integrity.
- Deuterium-labeled R-enantiomer of praziquantel.
- High chemical purity (≈99.6%).
- Formula: C19H13D11N2O2; molecular weight ≈323.5 g·mol⁻¹.
- Supplied as a solid suitable for preparation of analytical standards.
- Intended use as an internal standard or tracer for NMR, GC-MS, and LC-MS quantitation.
- Recommended storage: powder at -20°C for long term; solutions at -80°C for extended storage.
![Medchemexpress LLC Trideuteriomethyl N-[(E)-quinoxalin-2-ylmethylideneamino]carbamate | 1448350-02-4 | 99.8% | C11H10N4O2 | 10MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000259221.png-250.jpg)
Medchemexpress LLC Trideuteriomethyl N-[(E)-quinoxalin-2-ylmethylideneamino]carbamate | 1448350-02-4 | 99.8% | C11H10N4O2 | 10MG
Desoxycarbadox-d3 is a deuterium-labeled analogue of desoxycarbadox, the primary metabolite of the veterinary antibiotic carbadox. Supplied as a high-purity isotopic standard, it is intended for use as an internal standard or tracer in quantitative mass spectrometry, method development, and pharmacokinetic studies.
- Deuterium-labeled internal standard for LC-MS quantitation.
- Contains three deuterium atoms for a clear mass shift.
- High purity (99.8%) for reliable analytical results.
- Stable white solid suitable for storage and handling.
- Suitable for tracer and pharmacokinetic studies in biological matrices.
Revvity Health Sciences Inc Chromium-51 Radionuclide, 2mCi, EDTA Complex in 0.005M EDTA (pH 7.0)
Chromium-51 Radionuclide, 2mCi, EDTA Complex in 0.005M EDTA (pH 7.0)
Cayman Chemical ResolvIn D3 methyl ester 10UG
A methyl ester form of resolvin D3; may act as a lipophilic prodrug form that will alter its distribution and pharmacokinetic properties
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Revvity Health Sciences Inc EasyTag EXPRESS35S Protein Labeling Mix, [35S]-, 14mCi
EasyTag EXPRESS35S Protein Labeling Mix, [35S]-, 14mCi
![Revvity Health Sciences Inc CGP 39653, [Propyl-2,3,<sup>3</sup>H]-, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809814.jpg-250.jpg)
Revvity Health Sciences Inc CGP 39653, [Propyl-2,3,3H]-, 1mCi (37MBq)
CGP 39653, [Propyl-2,3,3H]-, 1mCi (37MBq)