Isotopically Labeled Compounds
Medchemexpress LLC Metolachlor-d6 | 1219803-97-0 | 98.6% | 289.83 g·mol⁻1 | C15H16D6ClNO2 | 10 MG
Metolachlor-d6 is the deuterium-labeled analogue of metolachlor, provided as an isotope-labeled reference standard for analytical and tracer applications. It is intended for use as an internal standard in mass spectrometry and related analytical workflows.
- Deuterium-labeled internal standard for LC-MS/MS quantitation.
- Chemical purity 98.58% (HPLC).
- Molecular weight 289.83 g·mol⁻1; CAS 1219803-97-0.
- Supplied as a 10 MG solid; store at -20°C for long-term stability.
- Suitable as a tracer in ADME and analytical method development.
Cambridge Isotope Laboratories REVERSE 3,3',5-TRIIODO-L-THYRO (DIIODOPHENYL-RING-13C6,99%)10, 1 ML, 1217676-14-6
REVERSE 3,3',5-TRIIODO-L-THYRO (DIIODOPHENYL-RING-13C6,99%)10, 1 ML, 1217676-14-6
Medchemexpress LLC Cobimetinib-d4 hydrochloride | 934660-93-2 | 99.3% | 1 MG
Cobimetinib-d4 hydrochloride is a deuterated labeled version of Cobimetinib, a potent, selective, and oral MEK1 inhibitor with an IC50 of 4.2 nM for MEK1. This compound is intended for research use only and not for sale to patients. Deuteration, the incorporation of stable heavy isotopes, is noted for its potential impact on 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.
Cayman Chemical LapatInIb-d4tosylate 500ug
An internal standard for the quantification of lapatinib by GC- or LC-MS
Medchemexpress LLC Liraglutide-13C5,15N tetraTFA | 204656-20-2 | 97.7% | 4214.26 | 10 MG
Liraglutide-13C5,15N tetraTFA is a 13C and 15N labeled compound. It is a glucagon-like peptide-1 (GLP-1) receptor agonist used for the study of type 2 diabetes mellitus. This compound serves as a tracer or an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes have been incorporated into drug molecules for quantitation during drug development.
- Used as a tracer or internal standard
- Suitable for quantitative analysis by NMR, GC-MS, or LC-MS
- Can be used for the study of type 2 diabetes mellitus
- Contains stable heavy isotopes for quantitation
Medchemexpress LLC 4-Methylimidazole-d6 | 1219804-79-1 | 98.3% | 88.14 | 5 MG
4-Methylimidazole-d6 is a deuterium labeled compound primarily used for research. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes have gained attention due to their potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Features stable heavy isotopes.
Cayman Chemical Stearic Acid-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 19905-58-9, 250 mg
An internal standard for the quantification of stearic acid by GC- or LC-MS
Medchemexpress LLC 1-hexanol-d3 | 52598-04-6 | 99.1% | 104.19 | C6H12D2O | 5 MG
1-Hexanol-d3 (CAS 52598-04-6) is the deuterium-labeled isotopologue of 1-hexanol, supplied for use as a stable-isotope reference standard in analytical chemistry and mass spectrometry. It is intended for use as an internal standard, tracer, or reference in quantitative and qualitative analyses.
- Deuterium-labeled (d3) isotopologue for isotope-dilution and MS applications.
- High purity: 99.1% (as listed by supplier).
- Chemical formula C6H12D2O; molecular weight 104.19.
- Available in small pack sizes suitable for analytical standards.
- Storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
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.