Isotopically Labeled Compounds
Medchemexpress LLC Glycine-1-13C,15N | 112898-03-0 | MFCD00064425 | 99.5% | 77.05 g·mol⁻¹ | C13CH515NO2 | 25mg
Glycine-1-13C 15N is the 13C- and 15N-labeled Glycine Glycine is an inhibitory neurotransmitter in the CNS and also acts as a co-agonist along with glutamate facilitating an excitatory potential at the glutaminergic N-methyl-D-aspartic acid (NMDA) receptors
Cayman Chemical OctnoIc AcId-d2 100mg
An internal standard for the quantification of octanoic acid by GC- or LC-MS
Cambridge Isotope Laboratories GUANOSINE:H2O (13C10, 98%; 15N5, 96-98%), 5 MG
GUANOSINE:H2O (13C10, 98%; 15N5, 96-98%), 5 MG
Medchemexpress LLC Urea-13C, 15N2 | 58069-83-3 | MFCD00145506 | 100.0% | 63.03 | 13CH4 15N2O | 25mg
Urea-13C 15N2 is the 13C and 15N labeled Urea[1] Urea is a powerful protein denaturant via both direct and indirect mechanisms[1] A potent emollient and keratolytic agent[2] Used as a diuretic agent Blood urea nitrogen (BUN) has been utilized to evaluate renal function[3] Widely used in fertilizers as a source of nitrogen and is an important raw material for the chemical industry
Medchemexpress LLC L-cystine-d4 | 1192736-38-1 | 98.0% | 244.33 | C6H8D4N2O4S2 | 10 MG
L-Cystine-d4 is the deuterium-labeled form of the amino acid L-cystine, provided as a high-purity stable isotope reagent for analytical and metabolic studies involving cystine metabolism and redox biology.
- Deuterium-labeled for isotope tracing and internal standard use.
- High purity (98.0%) suitable for analytical applications.
- Molecular weight 244.33 g/mol; molecular formula C6H8D4N2O4S2.
- Supplied as a 10 mg quantity for small-scale analytical workflows.
- Applicable to metabolomics, proteomics, and NMR studies.
Cambridge Isotope Laboratories GLYCAN-O3-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O3-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
Medchemexpress LLC D-(+)-xylose-2-13C | 131771-69-2 | 99.9% | 151.12 | C5H10O5 (13C at C-2) | 10 MG
Xylose-2-13C is a 13C-labelled form of D-xylose provided as a solid tracer and analytical standard for metabolic and analytical studies. It is suitable as an internal standard or tracer for NMR, GC-MS, and LC-MS quantitative analyses and can be used in biochemical or microbial fermentation research as a carbon source.
- Contains 10 mg of material.
- Purity 99.89%.
- Isotope labeling: 13C at the 2-position.
- CAS number 131771-69-2.
- Molecular weight 151.12 g/mol.
- Solubility: in DMSO ~50 mg/mL; requires ultrasonic and warming; hygroscopic DMSO affects solubility.
- Storage: store protected from light; in solvent: -80°C for 6 months, -20°C for 1 month.
- Appearance: white to off-white solid.
- Intended uses include tracer studies and use as an internal standard in analytical workflows.
Medchemexpress LLC D-Glucose-13C-1 | 84270-10-0 | 99.9% | 1 MG
D-Glucose-13C-1 is the 13C labeled D-Glucose, a monosaccharide and important carbohydrate in biology. It serves as a critical signaling molecule in relation to both cellular metabolic status and biotic and abiotic stress response.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Entacapone-d10 | 1185241-19-3 | 98.6% | C14H5D10N3O5 | 500 UG
Entacapone-d10 is a deuterium-labeled Entacapone. Entacapone is a potent, reversible, peripherally acting, and orally active catechol-O-methyltransferase (COMT) inhibitor. It inhibits COMT from rat brain, erythrocytes, and liver with IC50 values of 10 nM, 20 nM, and 160 nM, respectively. It is selective for COMT over other catecholamine metabolizing enzymes like MAO-A, MAO-B, phenolsulphotransferase M (PST-M), and PST-P (IC50s>50 μM). Entacapone also inhibits FTO demethylation with an IC50 of 3.5 μM.
- Can be used as a tracer.
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium-labeled compound for drug development quantitation.
- Potentially affects pharmacokinetic and metabolic profiles of drugs.
- Useful for Parkinson's disease research.
- Applicable for metabolic disorder research.
Medchemexpress LLC Glipizide-d11 | 1189426-07-0 | 96.4% | 5 MG
Glipizide-d11 is the deuterium labeled Glipizide. Glipizide (CP 2872; K 4024) is a potent, orally active, sulfonylurea class anti-diabetic agent used for type 2 diabetes mellitus research, but not for type 1. Glipizide acts by partially blocking ATP-sensitive potassium (KATP) channels among β cells of pancreatic islets of Langerhans.
- 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.
Cambridge Isotope Laboratories METHYL METHACRYLATE (D8, 98%) 10-100 PPM HYDROQUINONE, 5 G, 35233-69-3
METHYL METHACRYLATE (D8, 98%) 10-100 PPM HYDROQUINONE, 5 G, 35233-69-3
Cambridge Isotope Laboratories VITAMIN K1 (PHYLLOQUINONE) (D7,99%) CHEM. PURITY 97%, 10 MG, 1233937-39-7
VITAMIN K1 (PHYLLOQUINONE) (D7,99%) CHEM. PURITY 97%, 10 MG, 1233937-39-7
Cambridge Isotope Laboratories AMMONIUM HYDROXIDE (15N, 98%+) (3.3N IN H2O), 5 G OF S, 62948-80-5
AMMONIUM HYDROXIDE (15N, 98%+) (3.3N IN H2O), 5 G OF S, 62948-80-5
Medchemexpress LLC Aripiprazole-d8 | 1089115-06-9 | MFCD08460937 | 98.4% | 456.43 g/mol | C23H19D8Cl2N3O2 | 5 MG
Aripiprazole-d8 is the deuterium-labeled analogue of aripiprazole supplied for research use as a stable isotope reference standard. It is provided as a high-purity, small-mass sample intended for use as an internal standard in mass spectrometry and for analytical method development and pharmacokinetic studies.
- Stable isotope-labeled internal standard for LC-MS/MS.
- High purity suitable for analytical applications.
- Small 5 mg sample size for solution preparation and method development.
- Supports pharmacokinetic and metabolite studies.
- Suitable for quantitative and qualitative mass spectrometry assays.
Medchemexpress LLC L-citrulline-d7 | 2483831-24-7 | 99.8% | 182.23 | C6H6D7N3O3 | 10 MG
L-Citrulline-d7 is the deuterium-labeled isotopologue of L-citrulline supplied as a solid stable-isotope standard for research and analytical applications. It is intended for use as an internal standard or tracer in quantitative mass spectrometry and metabolic studies, and is provided with documented purity and storage recommendations.
- Deuterium-labeled internal standard for mass spectrometry and tracer studies.
- Molecular formula C6H6D7N3O3 and molecular weight 182.23.
- High chemical purity (99.8%).
- Solid powder form with storage recommendations: powder -20°C (3 years) or 4°C (2 years).
- Supplied as a 10 mg aliquot suitable for analytical use.