Isotopically Labeled Compounds
Medchemexpress LLC SN-38-d3 | 718612-49-8 | MFCD09841270 | 98.8% | 395.42 | C22H17D3N2O5 | 5 MG
SN-38-d3 is the deuterium-labeled analogue of SN-38, the active metabolite of irinotecan. Supplied as a high-purity stable isotope standard, it is intended for use as a tracer or internal standard in quantitative analytical methods and preclinical studies involving topoisomerase I activity.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity: 98.8%.
- Suitable for NMR, GC-MS, and LC-MS workflows.
- Useful as a tracer or internal standard in ADC payload and topoisomerase I research.
- Available in small analytical pack sizes for laboratory use.
Cayman Chemical Prnlukast-d4 1mg
An internal standard for the quantification of pranlukast by GC- or LC-MS
Medchemexpress LLC Glyphosate-d2 | 2733532-11-9 | 99.7% | 1 MG
Glyphosate-d2 is the deuterium labeled Glyphosate, an herbicidal derivative of the amino acid glycine. It targets and blocks the shikimate pathway in plants, a metabolic pathway not found in animals, which is required for the synthesis of aromatic amino acids. This compound can be used as a tracer and as an internal standard for quantitative analysis, with deuterium substitution having the potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Deuterium labeled Glyphosate
- Herbicidal derivative of amino acid glycine
- Targets and blocks the shikimate pathway in plants
- Used as a tracer and internal standard for quantitative analysis
- Potential to influence pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
Medchemexpress LLC Methomyl-d3 | 1398109-07-3 | ≥99.0% | 165.23 g/mol | C5H7D3N2O2S | 10 MG
Methomyl-d3 is a deuterium-labeled analogue of the carbamate insecticide methomyl, provided as a labeled analytical standard for laboratory research. It is intended for research use only and is used in mass spectrometry, isotope-dilution quantification, and analytical method development. CAS 1398109-07-3; molecular formula C5H7D3N2O2S; molecular weight 165.23 g/mol.
- Deuterium-labeled standard for isotope-dilution mass spectrometry.
- Intended for research use only; not for human use.
- Suitable for analytical method development and calibration.
- Supplied in small milligram quantities for trace analysis (e.g., 10 mg pack).
- High deuteration purity reported (≥99.0% d1-d3).
Cambridge Isotope Laboratories Fatty Acid Algal Extract (U-13C 98%) 0 25 g
Fatty Acid Algal Extract (U-13C 98%) 0 25 g
Medchemexpress LLC 7-keto-Deoxycholic acid | 911-40-0 | 99.7% | 406.56 | 100 MG
7-keto-Deoxycholic acid is a metabolite of bile acids found in Clostridium absonum. It can also be converted from Lactobacillus and Bifidobacterium under specific conditions. This product is provided as a high-purity solid.
- Metabolite of bile acids
- Converted from Lactobacillus and Bifidobacterium
- Provided as a solid
Cambridge Isotope Laboratories Ethyl bromoacetate (1-13C 99%) 0 5 g
Ethyl bromoacetate (1-13C 99%) 0 5 g
![Revvity Health Sciences Inc U-69,593, [Phenyl-3,4-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810503.jpg-250.jpg)
Revvity Health Sciences Inc U-69,593, [Phenyl-3,4-3H]-, 250µCi (9.25MBq)
U-69,593, [Phenyl-3,4-3H]-, 250µCi (9.25MBq)
Cambridge Isotope Laboratories L-GLUTAMINE (13C5, 97-99%; D5, 97-99%; 15N2, 97-99%), 0.25 G
L-GLUTAMINE (13C5, 97-99%; D5, 97-99%; 15N2, 97-99%), 0.25 G
Medchemexpress LLC Clothianidin-d3 | 1262776-24-8 | MFCD17019117 | 252.70 g/mol | C6H8ClN5O2S | 5 MG
Clothianidin-d3 is a deuterium-labeled analogue of the neonicotinoid insecticide clothianidin, provided as a 5 mg analytical reference standard for use as an internal standard or reference in mass spectrometry, residue, and trace analysis.
- Isotopically labeled with three deuterium atoms (d3) for accurate mass spectrometry quantification.
- Intended for use as an analytical reference standard and internal standard in LC-MS/MS or GC-MS analyses.
- Provided as a small, neat solid suitable for preparing calibration standards and spike recoveries.
- CAS 1262776-24-8 identifies the deuterated compound for reference in analytical workflows.
- Useful for pesticide residue analysis and trace-level quantification in environmental and food matrices.
Medchemexpress LLC L-lysine-13C6,15N2 hydrochloride | 1200447-00-2 | 190.59 | 5 MG
L-Lysine-13C6,15N2 (hydrochloride) is the 13C- and 15N-labeled 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.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Treats herpes.
- Increases calcium absorption.
- Reduces diabetes-related illnesses.
- Improves gut health.
Medchemexpress LLC D-Sorbitol-13C | 287100-73-6 | 98.0% | 1 MG
D-Sorbitol-13C is the 13C labeled D-Sorbitol. D-Sorbitol (Sorbitol) is a six-carbon sugar alcohol that can be used as a sugar substitute. It can also be used as a stabilizing excipient and/or isotonicity agent, sweetener, humectant, thickener, and dietary supplement.
- 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 Carbamazepine-d8 | 1538624-35-9 | 5 MG
Carbamazepine-d8 is a deuterium labeled sodium channel blocker and anticonvulsant agent. It serves as a valuable compound for quantitative analysis in various research applications.
- Used as a tracer in research.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has the potential to influence the pharmacokinetic and metabolic profiles of drugs.