Isotopically Labeled Compounds
Cambridge Isotope Laboratories DL-3-Hydroxykynurenine (1 2 3-13C3 98% Alpha-amino-15N 98%) CP 95% 1 mg
DL-3-Hydroxykynurenine (1 2 3-13C3 98% Alpha-amino-15N 98%) CP 95% 1 mg
Cambridge Isotope Laboratories Triclosan (2 4 4-trichloro-2-hydroxydiphenyl ether) (unlabeled) 1000 ug/mL in methanol 1 2 mL
Triclosan (2 4 4-trichloro-2-hydroxydiphenyl ether) (unlabeled) 1000 ug/mL in methanol 1 2 mL
Cambridge Isotope Laboratories 2 3 5 6-Tetrafluoro-1 4-benzenedimethanol (bisbenzyl-13C2 bisbenzyl-D4 95%) 100 ug/mL in acetonitrile 1 2 mL
2 3 5 6-Tetrafluoro-1 4-benzenedimethanol (bisbenzyl-13C2 bisbenzyl-D4 95%) 100 ug/mL in acetonitrile 1 2 mL
Medchemexpress LLC Carazolol-d7 | 1173021-02-7 | ≥98.0% | 305.4 | C18H15D7N2O2 | 25 MG
Carazolol-d7 is the deuterium-labeled analog of carazolol used as an internal standard and reference material for analytical and pharmacological research. It supports accurate quantification in mass spectrometry and is commonly used in metabolic and pharmacokinetic studies.
- Deuterium-labeled internal standard for LC-MS and GC-MS.
- High chemical purity ≥98.0%.
- Suitable for pharmacokinetic and metabolic studies.
- Provides reliable quantification and method validation.
- Supplied as a stable solid reference standard.
Medchemexpress LLC DL-tartaric acid-d2 | 181376-62-5 | MFCD06261252 | 98.0% | 152.10 g/mol | C4H4D2O6 | 10mg
DL-Tartaric acid-d2 is the deuterium labeled DL-Tartaric acid (HY-Y1315)[1]
Medchemexpress LLC Hexatriacontane-d74 | 16416-34-5 | MFCD00274270 | 99.0% | 581.43 g/mol | C36D74 | 100 MG
Hexatriacontane-d74 is a deuterium-labeled C36 alkane supplied as a high-purity stable isotope standard for analytical and tracer applications. It is intended for use as an internal standard or tracer in quantitative NMR, GC-MS, and LC-MS analyses, and for studies where isotope labeling aids pharmacokinetic or metabolic investigation. Documentation such as COA, SDS, and data sheets is available from the supplier.
Medchemexpress LLC Piperazin-2-one-d6 | 1219803-71-0 | MFCD11983578 | 99.3% | 106.16 | C4H2D6N2O | 10 MG
Piperazin-2-one-d6 is the deuterium-labeled isotopologue of piperazin-2-one, provided as a white solid for use as an internal standard or tracer in analytical and drug-development workflows. It is suited for quantitative mass spectrometry and NMR applications, supplied in small, precisely measured packages, and accompanied by supporting documentation for safe handling and storage.
- Deuterium-labeled (d6) for isotope dilution quantitation.
- High purity suitable for analytical standards.
- White solid stable under recommended storage conditions.
- Available in multiple small package sizes including 10 mg.
- Molecular weight 106.16; molecular formula C4H2D6N2O.
- Supplied with certificate of analysis and safety data sheet.
Medchemexpress LLC DL-Cystine-d4 | 108641-83-4 | 99.8% | 244.33 | 100 MG
DL-Cystine-d4 is a deuterium-labeled form of DL-Cystine, which is a cysteine derivative. This compound is presented as a white to off-white solid and is stable under recommended storage conditions. It is suitable for various laboratory and manufacturing applications.
- Can be used as a tracer.
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Suitable for use in laboratory chemical manufacturing.
Medchemexpress LLC Baricitinib-d5 | 1564241-79-7 | C16H12D5N7O2S | 1 MG
Baricitinib-d5 is the deuterium-labeled version of Baricitinib, a selective and orally bioavailable inhibitor of JAK1 and JAK2. It is intended for research use only. Stable heavy isotopes, such as deuterium, are incorporated into drug molecules largely as tracers for quantitation during drug development, with the potential to affect 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 Acetyl-CoA Carboxylase-IN-1 | 179343-23-8 | C13H9Br2N5 | 1 ML
Acetyl-CoA Carboxylase-IN-1 is a potent acetyl-CoA carboxylase (ACC) inhibitor with an IC50 value of <5 nM. It also possesses antibacterial activity, making it suitable for studies on bacterial infections.
- Potent acetyl-CoA carboxylase (ACC) inhibitor
- IC50 value of <5 nM
- Possesses antibacterial activity
- Effective against various E. coli strains
Medchemexpress LLC L-Threonine-d5 | 1217456-38-6 | CB71121697 | 124.15 | 5 MG
L-Threonine-d5 is the deuterium labeled L-Threonine, a natural amino acid produced by microbial fermentation and used in food, medicine, or feed applications. Stable heavy isotopes, such as deuterium, are incorporated into drug molecules as tracers for quantitation during drug development, potentially influencing pharmacokinetic and metabolic profiles. This compound can serve as a tracer and an internal standard for quantitative analysis using techniques like NMR, GC-MS, or LC-MS.
- Used as a tracer
- Functions as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Deuterium labeling can influence drug pharmacokinetics and metabolic profiles
- Produced by microbial fermentation
Medchemexpress LLC Octanoic acid-d15 | 69974-55-6 | 99.9% | 159.30 | 5 MG
Octanoic acid-d15 is the deuterium labeled Octanoic acid. Octanoic acid (Caprylic acid) is an oily liquid used in the production of esters for perfumery and in the manufacture of dyes. This compound serves as a valuable tool in quantitative analysis.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuteration may affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Cephalexin-d5 | 2101505-56-8 | 98.96% | 5 MG
Cephalexin-d5 is deuterium labeled Cephalexin. Cephalexin is a potent, orally active, first-generation cephalosporin antibiotic. It kills gram-positive and some gram-negative bacteria by disrupting the growth of the bacterial cell wall. Cephalexin monohydrate is used for the research of pneumonia, strep throat, and bacterial endocarditis, among other conditions. Deuterium substitution can impact 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 Sulfathiazole-d4 | 1020719-89-4 | 99.9% | 5 MG
Sulfathiazole-d4 is a deuterium labeled Sulfathiazole. Sulfathiazole is an orally active, endocrine disruptor targeting the steroidogenic pathway, specifically enhancing the activity of CYP19 in human adrenal cancer cells (H295R) and upregulating the mRNA expression of CYP17, CYP19, and 3β-HSD. It increases the production of 17-estradiol (E2) and has endocrine disrupting effects on aquatic organisms such as the Japanese medaka fish.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Enhances the activity of CYP19 in human adrenal cancer cells (H295R)
- Upregulates the mRNA expression of CYP17, CYP19, and 3β-HSD
- Increases the production of 17-estradiol (E2)
- Has endocrine disrupting effects on aquatic organisms such as the Japanese medaka fish
Medchemexpress LLC Fmoc-Ala-OH-3,3,3-d3 | 225101-67-7 | 99.4% | 314.35 | 100 MG
Fmoc-Ala-OH-3,3,3-d3 is the deuterium labeled Fmoc-Ala-OH-3,3,3. It can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.