Isotopically Labeled Compounds
Medchemexpress LLC 2'-Deoxycytidine-13C9 | 951-77-9 | 96.8% | 1 MG
2'-Deoxycytidine-13C9 (Deoxycytidine-13C9; Cytosine deoxyriboside-13C9; Deoxyribose cytidine-13C9) is 13C-labeled 2'-Deoxycytidine (HY-D0184). 2'-Deoxycytidine, a deoxyribonucleoside, could inhibit biological effects of Bromodeoxyuridine (Brdu).
- 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.
Cambridge Isotope Laboratories Glycine-N-Fmoc (13C2 99% 15N 99%) 1 g
Glycine-N-Fmoc (13C2 99% 15N 99%) 1 g
Medchemexpress LLC 1-hydroxypyrene-d9 | 132603-37-3 | MFCD04972163 | 100.0% | 227.31 g·mol⁻¹ | C16HD9O | 10 MG
Deuterium-labeled 1-hydroxypyrene (d9) is an isotopically labeled internal standard used for quantitative analysis of 1-hydroxypyrene in biological and environmental samples by GC-MS or LC-MS. Supplied as a high-purity white to off-white powder, it provides consistent response and traceability for analytical and metabolic studies.
- High isotopic and chemical purity for accurate quantification.
- Suitable as an internal standard for GC-MS and LC-MS methods.
- Solid powder form for convenient handling and spiking.
- Storage at -20°C preserves long-term stability.
- Available in small sizes tailored to analytical workflows.
Medchemexpress LLC 1-hexanol-d5 | 64118-18-9 | >98.0% | 107.21 g/mol | C6H9D5O | 5 MG
1-Hexanol-d5 is the deuterium-labeled analogue of 1-hexanol supplied as a liquid stable isotope reagent for analytical and tracer applications. It is commonly used as an internal standard in mass spectrometry, quantitative analyses, and metabolic tracing where deuterium labeling improves selectivity and detection.
- Deuterium-labeled internal standard for mass spectrometry.
- High isotopic enrichment for reliable tracer and quantitation.
- Liquid physical form suitable for solution preparation.
- Stable under recommended storage conditions for long-term use.
- Available in small, pre-weighed pack sizes for analytical workflows.
Medchemexpress LLC Ampicillin-d5 | 1426173-65-0 | 99.4% | 5 MG
Ampicillin-d5 is a deuterium-labeled form of Ampicillin, a broad-spectrum beta-lactam antibiotic. It is effective against various gram-positive and gram-negative bacteria. This compound is suitable for research applications.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Sodium formate-13C,d1 | 1215684-17-5 | ≥98.0% | 71.01 g·mol⁻¹ | 13CHDNaO2 | 10 MG
Sodium formate-13C,d1 is a stable-isotope labeled sodium formate used as an internal standard and tracer in analytical applications such as mass spectrometry and NMR. It is supplied as a white to off-white solid with high chemical purity and is provided in small quantities for analytical work.
- Stable-isotope labeled (13C and d1) sodium formate for tracer applications.
- High chemical purity suitable for mass spectrometry and NMR.
- Supplied as a white to off-white solid for easy handling and storage.
- Includes SDS and certificate of analysis for quality and safety verification.
Medchemexpress LLC Oleic acid-d9 | 2687960-84-3 | MFCD00133433 | 95.0% | 291.52 g/mol | C18H25D9O2 | 10 MG
Oleic acid-d9 is a deuterium-labeled oleic acid used as a stable isotope standard and tracer in biochemical and analytical workflows. It is a monounsaturated fatty acid that acts as a Na+/K+ ATPase activator and is supplied as a colorless to light yellow liquid for analytical applications.
- Deuterium-labeled for mass spectrometry and tracer studies.
- Molecular formula C18H25D9O2; molecular weight 291.52 g/mol.
- Typical purity 95.0%; batch-specific higher purities reported.
- Available in 10 MG, 50 MG, 100 MG sizes suitable for analytical use.
- Liquid, colorless to light yellow physical form.
- Store at -20 °C for long-term; in solvent store at -80 °C for extended stability.
Revvity Health Sciences Inc Sulfur-35 Radionuclide, 5mCi (185MBq), Specific Activity: 250-1000mCi (9.25-37.0GBq)/mmol
Sulfur-35 Radionuclide, 5mCi (185MBq), Specific Activity: 250-1000mCi (9.25-37.0GBq)/mmol
Cayman Chemical Acenocoumarol-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 2937878-24-3, 1 mg
An internal standard for the quantification of acenocoumarol by GC- or LC-MS
Medchemexpress LLC Vardenafil-d5 (hydrochloride) | 1189685-70-8 | MFCD00222079 | 98.7% | 5 MG
Vardenafil-d5 (Vardenafil-d5 hydrochloride) is a deuterated form of Vardenafil, a potent and selective cGMP-specific phosphodiesterase type 5 (PDE5) inhibitor. It is labeled with 5 deuterium atoms at the ethoxyl group of Vardenafil. Vardenafil is known for its ability to increase cGMP levels, leading to smooth muscle relaxation and vasodilation. Vardenafil-d5 is intended for research applications such as bioanalysis, especially in pharmacokinetic studies, drug metabolism research, and for use as an internal standard.
- Deuterated internal standard
- Suitable for pharmacokinetic studies
- Useful in drug metabolism research
- Increases cGMP levels
- Leads to smooth muscle relaxation and vasodilation
- Potent and selective cGMP-specific phosphodiesterase type 5 (PDE5) inhibitor
Cambridge Isotope Laboratories PYRIDOXINE:HCL (5-HYDROXYMETHYL-D2, 98%), 5 MG, 5027-82-7
PYRIDOXINE:HCL (5-HYDROXYMETHYL-D2, 98%), 5 MG, 5027-82-7
Medchemexpress LLC Glyburide-d11 | 1189985-02-1 | C23H17D11ClN3O5S | 1 MG
Glyburide-d11 is the deuterium labeled Glibenclamide, an orally active ATP-sensitive K+ channel (KATP) inhibitor. It is used for research related to diabetes and obesity. Glyburide-d11 inhibits P-glycoprotein, directly binds and blocks the SUR1 subunits of KATP, and inhibits the cystic fibrosis transmembrane conductance regulator protein (CFTR). It interferes with mitochondrial bioenergetics by inducing changes on membrane ion permeability and can induce autophagy.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Inhibits P-glycoprotein
- Blocks SUR1 subunits of KATP
- Inhibits cystic fibrosis transmembrane conductance regulator protein (CFTR)
- Interferes with mitochondrial bioenergetics
- Can induce autophagy
Medchemexpress LLC Ercalcidiol-d3 (25-Hydroxy vitamin D2-d3) | 1217467-39-4 | 99.9% | 415.67 | 50 MG
Ercalcidiol-d3 is a deuterium-labeled version of Ercalcidiol. Ercalcidiol, a metabolite of Vitamin D2, is used as an indicator of vitamin D status. It is intended for research use only.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated, which can impact pharmacokinetic and metabolic profiles of drugs.
![Revvity Health Sciences Inc Leucine, L-[4,5-<sup>3</sup>H], 1 mCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-502097686.JPG-250.jpg)