Isotopically Labeled Compounds
American Radiolabeled Chemicals Inc RTI-22-125I 250UC
RTI-55-125I 250uCi in ethanol:water:acetonitrile (1:1:0.1), 1 mCi/ml, S.A. 2200 Ci/mmol, M.W. 385.2
American Radiolabeled Chemicals Inc HEX ACID 3H 250UC
Hexanoic acid, n-5,6-3H sodium salt 250uCi in ethanol, 1 mCi/ml, S.A. 50-60 Ci/mmol, M.W. 138.0, Exclusive
Cambridge Isotope Laboratories ACRYLIC-2,3,3-D3 ACID (+ 0.1% 4-METHOXYPHENOL) (D, 98%) (, 0.25 G, 204259-63-2
ACRYLIC-2,3,3-D3 ACID (+ 0.1% 4-METHOXYPHENOL) (D, 98%) (, 0.25 G, 204259-63-2
Medchemexpress LLC Tizoxanide-d4 | 1246817-56-0 | 99.8% | 269.27 | C10H3D4N3O4S | 5 MG
Tizoxanide-d4 is the deuterium-labeled analogue of tizoxanide provided as a stable-isotope reference standard for research applications. It is intended for use as an internal standard in quantitative and metabolic studies where isotopic labeling improves accuracy and traceability. CAS: 1246817-56-0.
- Deuterium-labeled analogue of tizoxanide.
- Intended for research use only.
- High chemical purity (≈99.8%).
- Suitable as an internal standard for mass spectrometry.
- Molecular formula C10H3D4N3O4S; molecular weight 269.27.
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 Digitoxin-d3 | 26970-68-3 | 767.96 | C41H61D3O13 | 1mg
Digitoxin-d3 is the deuterium labeled Digitoxin-d3 (HY-W747795)[1]
Medchemexpress LLC Glycine-2-13C,15N | 91795-59-4 | MFCD00064424 | 98.0% | 77.05 | C13CH515NO2 | 50mg
Glycine-2-13C 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
Medchemexpress LLC Xanthurenic acid-d4 | 1329611-28-0 | MFCD27967185 | 99.1% | 209.19 | C10H3D4NO4 | 5mg
Xanthurenic acid-d4 is the deuterium labeled Xanthurenic acid[1] Xanthurenic acid is a putative endogenous Group II metabotropic glutamate receptor agonist on sensory transmission in the thalamus[2]
Genscript Corporation 25-OH Vitamin D3 HRP Conjugat
Vitamin D plays an important role in calcium homeostasis and metabolism Vitamin D3 and vitamin D2 are two forms of vitamin D in human body both of which only a few foods contain The deficiency of vitamin D in human body can cause a threat of diseases such as osteomalacia rickets and diabetes 25-OH Vitamin D2 and 25-OH Vitamin D3 as vitamin D metabolites are measured in human serum to evaluate vitamin D level Vitamin D supplements are considered as an effective way to treat or to prevent the diseases
Medchemexpress LLC D-serine-2,3,3-d3 | 1414348-52-9 | 96.4% | 108.11 g/mol | C3H4D3NO3 | 1 MG
D-Serine-d3 is a deuterium-labeled form of the endogenous amino acid D-serine, provided as an isotopic reference standard for analytical and biochemical research. It is commonly used in mass spectrometry, tracer studies, and assays probing NMDA receptor-related neurotransmission and synaptic processes.
- Deuterium-labeled (d3) analogue suitable for isotope-dilution analyses.
- High purity (96.4%) for analytical reproducibility.
- Molecular weight 108.11 g/mol and formula C3H4D3NO3.
- Supplied in 1 mg quantity for standard preparation.
- Supports studies of NMDA receptor-mediated neurotransmission and synaptic plasticity.
Medchemexpress LLC L-cysteine-d3 | 214782-32-8 | MFCD12546019 | 99.2% | 124.18 | C3H4D3NO2S | 10mg
L-Cysteine-d3 is the deuterium labeled L-Cysteine L-Cysteine is a conditionally essential amino acid which acts as a precursor for biologically active molecules such as hydrogen sulphide (H2S) glutathione and taurine L-Cysteine suppresses ghrelin and reduces appetite in rodents and humans[1]
Avanti Polar Lipids C18:0 GM1-D5 (SYNTHETIC)-100UG
C18:0 GM1-d5 (synthetic)C18:0 GM1 Ganglioside-d5 (synthetic, ammonium salt), 100UG
Medchemexpress LLC 1,3-diphenylurea-d10 | 108009-46-7 | 99.0% | 222.31 | C13H2D10N2O | 1 MG
1,3-diphenylurea-d10 is the deuterium-labeled (d10) isotopologue of 1,3-diphenylurea, supplied as a high-purity reference standard for analytical and research use. It is intended for use as an internal standard or tracer in mass spectrometry and other isotopic labeling applications.
- High purity (99.0%) suitable for analytical standards.
- Deuterium-labeled isotopologue for use as an internal or tracer standard.
- Available in small milligram pack sizes for research workflows.
- Molecular weight 222.31 and formula C13H2D10N2O for reference.
- Documentation available: COA, SDS, and handling instructions.
- Storage guidance provided for room temperature and frozen solvent conditions.
Cayman Chemical DamInozIde-d4 5mg
An internal standard for the quantification of daminozide by GC- or LC-MS