Isotopically Labeled Compounds

Medchemexpress LLC Tipranavir-d7 | 174484-41-4 | C31H26D7F3N2O5S | 1 MG

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Tipranavir-d7 is a deuterated form of Tipranavir, an inhibitor of HIV-1 protease that also inhibits SARS-CoV-2 3CLpro activity. It is designed for research applications, particularly as a tracer or internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS. Its stable heavy isotope labeling allows for studies on pharmacokinetic and metabolic profiles.

• Inhibits enzymatic activity and dimerization of HIV-1 protease.
• Potent activity against multi-protease inhibitor-resistant HIV-1 isolates.
• Inhibits SARS-CoV-2 3CLpro activity.
• Can be used as a tracer in research.
• Functions as an internal standard for quantitative analysis.
• Stable isotope labeling aids in drug development process.
• Potential to affect pharmacokinetic and metabolic profiles of drugs.

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Medchemexpress LLC L-Theanine-d5 | 1217451-85-8 | MFCD09842666 | C7H9D5N2O3 | 5 MG

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L-Theanine-d5 is a deuterium-labeled form of L-Theanine, a non-protein amino acid found in green tea leaves. It functions by blocking the binding of L-glutamic acid to glutamate receptors in the brain, demonstrating neuroprotective and anti-oxidative activities. Oral intake of L-Theanine has been observed to produce anti-stress effects through the inhibition of cortical neuron excitation. Deuterium substitution in drug molecules allows for its use as a tracer for quantitation during drug development and has the potential to influence the pharmacokinetic and metabolic profiles of drugs.

• Can be used as a tracer
• Serves as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS
• Exhibits neuroprotective and anti-oxidative activities
• Inhibits cortical neuron excitation for anti-stress effects

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Medchemexpress LLC L-Lysine-13C6,15N2 hydrochloride | 1200447-00-2 | 190.59 | 1 MG

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L-Lysine-13C6,15N2 (hydrochloride) is the 13C- and 15N-labeled form of L-Lysine hydrochloride. L-lysine hydrochloride is an essential amino acid for humans with various benefits, including treating herpes, increasing calcium absorption, reducing diabetes-related illnesses, and improving gut health. It is for research use only and 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.
• Stable heavy isotopes have been incorporated into drug molecules as tracers for quantitation.
• Deuteration has gained attention due to its potential to affect pharmacokinetic and metabolic profiles of drugs.

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Medchemexpress LLC L-Lysine-13C dihydrochloride | 202190-50-9 | 220.10 | 1 MG

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L-Lysine-13C dihydrochloride is a 13C-labeled essential amino acid with various applications in research. It supports studies related to herpes treatment, calcium absorption, diabetes-related illnesses, and gut health. This product is for research use only.

• Used as a tracer
• Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
• Purity: 99.90%
• Appearance: solid, white to off-white
• Shipping: room temperature in continental US (may vary elsewhere)
• Storage: 4°C sealed, away from moisture; in solvent: -80°C for 6 months, -20°C for 1 month (sealed, away from moisture)

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Revvity Health Sciences Inc Iodo-(-)-Cyanopindolol, [¹²⁵I], 100µCi (3.7MBq)

Iodo-(-)-Cyanopindolol, [¹²⁵I], 100µCi (3.7MBq)

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Revvity Health Sciences Inc Adenosine 3', 5'-Cyclic Phosphate, Ammonium Salt, [2,8-³H]-, 1 mCi (37 MBq)

Adenosine 3', 5'-Cyclic Phosphate, Ammonium Salt, [2,8-³H]-, 1 mCi (37 MBq)

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Medchemexpress LLC H-DL-ABU-OH-D6 5MG | 5MG

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H-DL-ABU-OH-D6 5MG | 5MG

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American Radiolabeled Chemicals Inc GLP-1 125I 50UC

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GLP-1 (7-36), Tyr-125I 10uCi in buffered solution, 0.08 mCi/ml, S.A. 2200 Ci/mmol, M.W. ~3298

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American Radiolabeled Chemicals Inc 3H STNDRD GLASS-1 A

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Tritium Standards on Glass Slides-1 each, 0-7390

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Revvity Health Sciences Inc Propranolol, L-[4-³H]-, 250µCi (9.25MBq)

Propranolol, L-[4-³H]-, 250µCi (9.25MBq)

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Cambridge Isotope Laboratories Glycine N-benzoyl (hippuric acid) (benzoyl-D5 98%) 0 1 g

Glycine N-benzoyl (hippuric acid) (benzoyl-D5 98%) 0 1 g

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Medchemexpress LLC H-DL-ABU-OH-D6 25MG | 25MG

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H-DL-ABU-OH-D6 25MG | 25MG

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American Radiolabeled Chemicals Inc LAUROYL-1-14C COA 50UC

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Lauroyl-1-14C Coenzyme A 50uCi in 0.1M sodium acetate buffer (pH 5.2), 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 949.8, Shipped in Dry Ice, Exclusive

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American Radiolabeled Chemicals Inc CIMETIDINE 14C 50UC

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Cimetidine-14C 50uCi in ethanol, 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 252.34, Shipped in Dry Ice, Exclusive

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Cambridge Isotope Laboratories Nitrogen (15N2 98%) 0 1 L

Nitrogen (15N2 98%) 0 1 L

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