Isotopically Labeled Compounds
Cayman Chemical Pranoprofen-13C-d3, Purity: ≥99% deuterated forms (d1-d3), 1 mg
An internal standard for the quantification of pranoprofen by GC- or LC-MS
Cayman Chemical Paliperidone-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1020719-55-4, 1 mg
An internal standard for the quantification of paliperidone by GC- or LC-MS
![Revvity Health Sciences Inc Aminobutyric Acid (GABA), γ-[2,3-<sup>3</sup>H(N)]-, Specific Activity: 70-100Ci (2.59-3.70TBq)/mmol, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509050994.jpg-250.jpg)
Revvity Health Sciences Inc Aminobutyric Acid (GABA), γ-[2,3-3H(N)]-, Specific Activity: 70-100Ci (2.59-3.70TBq)/mmol, 250µCi (9.25MBq)
Aminobutyric Acid (GABA), γ-[2,3-3H(N)]-, Specific Activity: 70-100Ci (2.59-3.70TBq)/mmol, 250µCi (9.25MBq)
Medchemexpress LLC N-Fmoc-leucine-d3 | 538372-74-6 | 99.3% | 356.43 | C21H20D3NO4 | 10 MG
Fmoc-leucine-d3 is the deuterium-labeled N-Fmoc derivative of L-leucine supplied for research use as a stable isotope-labeled building block. It is intended for peptide synthesis and as an internal standard in mass spectrometry, providing a consistent mass shift and high purity for analytical and synthetic workflows.
- Deuterium-labeled building block for peptide synthesis.
- Suitable as an internal standard for LC-MS quantitation.
- Provides a predictable +3 Da mass shift for isotopic labeling.
- High purity for analytical applications.
- Available in small-scale quantities for method development and standards.
Medchemexpress LLC D-(+)-trehalose-d14 | 2028292-31-9 | 99.8% | 356.38 | C12H8D14O11 | 10 MG
D-(+)-Trehalose-d14 is the deuterium-labeled form of D-(+)-trehalose supplied as a solid analytical standard for research use. It functions as a tracer and internal standard for quantitative analyses by NMR, GC-MS, and LC-MS, and is provided with high isotopic enrichment and defined storage recommendations.
- Deuterium-labeled trehalose with 14 deuteriums.
- Chemical formula C12H8D14O11; molecular weight 356.38.
- High purity: 99.8%.
- Appearance: white to off-white solid.
- Available in small research quantities such as 10 MG.
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months).
- Intended use: tracer and internal standard for quantitative NMR, GC-MS, and LC-MS.
Cayman Chemical Lithocholic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 83701-16-0, 10 mg
An internal standard for the quantification of lithocholic acid by GC- or LC-MS
Cambridge Isotope Laboratories L-ALANINE-N-FMOC (3,3,3-D3, 98%), 1 G, 284665-07-2
L-ALANINE-N-FMOC (3,3,3-D3, 98%), 1 G, 284665-07-2
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.
Medchemexpress LLC Eugenol-d3 | 1335401-17-6 | 98.5% | 167.22 | 1 MG
Eugenol-d3 is deuterium-labeled Eugenol. Eugenol is an essential oil found in cloves that exhibits antibacterial, anthelmintic, and antioxidant activities, and is shown to inhibit lipid peroxidation. 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.
- Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
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.