Isotopically Labeled Compounds
Cambridge Isotope Laboratories Vitamin B1 Hydrochloride (Thiamine Hydrochloride) (4,5,4-Methyl-13C3) | 67-03-8 | MFCD00012780 | 5 mg
Vitamin B1 Hydrochloride (Thiamine Hydrochloride) (4,5,4-Methyl-13C3) | Purity: 97% | Mol Wt: 340.25 | 67-03-8 | MFCD00012780 | 5 mg
Medchemexpress LLC Arabinose-d | 77583-92-7 | >90.0% | 151.14 | C5H9DO5 | 10 MG
Arabinose-d is a deuterium-labeled form of the sugar arabinose supplied as a 10 mg stable isotope standard for research applications. It is intended for use as an internal standard, tracer, or analytical reference in metabolic and biochemical studies. For research use only.
- Deuterium-labeled arabinose for isotope tracing and analytical studies.
- Supplied as a 10 mg solid suitable for small-scale experiments.
- CAS number 77583-92-7 for unambiguous identification.
- Molecular formula C5H9DO5; molecular weight 151.14 g/mol.
- Storage: store sealed at 4°C and protect from moisture; in solvent: -80°C (6 months), -20°C (1 month).
- Intended for research use only; not for clinical use.
Medchemexpress LLC Pyrene-d10 | 1718-52-1 | MFCD00084177 | 99.9% | 212.31 | C16D10 | 10 MG
Pyrene-d10 is a deuterium-labeled analogue of pyrene supplied as a solid reference material for analytical and research applications. It provides a stable isotopic tracer for mass spectrometry and chromatography workflows, with high isotopic and chemical purity and well-characterized physical properties.
- deuterium-labeled internal standard for analytical methods.
- high stated purity suitable for quantitative analysis.
- well-characterized molecular weight and formula for accurate mass calibration.
- solid form, white to light yellow appearance for easy storage and handling.
- provided with supporting documentation such as datasheet and safety data sheet.
Medchemexpress LLC 3,4-dimethoxybenzaldehyde-d3 | 143318-06-3 | 96.0% | 169.19 g/mol | C9H7D3O3 | 10 MG
Veratraldehyde-d3 is the deuterium-labeled analogue of veratraldehyde, supplied as a small analytical sample for laboratory and research use. It serves as an isotope-labeled internal standard for mass spectrometry and tracer studies, with reported purity of 96.0% and CAS 143318-06-3.
- Deuterium-labeled internal standard suitable for mass spectrometry
- Intended for analytical and research applications
- Reported purity 96.0%
- CAS number 143318-06-3 for unambiguous identification
- Provided in a 10 mg pack size for method development and QC
Medchemexpress LLC L-Glutamine-13C5 | 184161-19-1 | MFCD00144603 | 99.9% | 151.11 g/mol | 13C5H10N2O3 | 10 MG
L-Glutamine-13C5 is the 13C-labeled form of the amino acid L-glutamine, supplied as a high-purity solid stable isotope for use as a tracer and quantitative standard in metabolic and mass-spectrometry studies.
- Uniformly labeled with five 13C atoms.
- Purity 99.9% (typical, rounded).
- Molecular weight 151.11 g/mol.
- CAS number 184161-19-1.
- Physical form 10 mg solid powder.
- Storage: powder at -20°C for long-term stability.
Medchemexpress LLC Xanthine-15N2 | 161770-53-2 | 99.4% | 154.1 g/mol | C5H4(15N)2O2 | 1 MG
Xanthine-15N2 is a 15N2 isotopically labeled xanthine provided as a 1 mg powder for research use. It is designed as an internal standard or tracer for mass spectrometry and biochemical assays, offering consistent isotopic labeling and analytical performance.
- Stable isotope-labeled compound for analytical and tracer studies.
- High chemical purity (99.4%) suitable for sensitive assays.
- Small 1 mg powder format for standards and method development.
- Soluble at 10 mM in DMSO, compatible with common solvents.
- Long-term storage stability at -20°C (3 years) and 4°C (2 years).
- For research use only; not for human or clinical use.
Cambridge Isotope Laboratories Progesterone (2,2,4,6,6,17A,21,21,21-D9, 98%) | 15775-74-3 | MFCD01317491 | 0.01 g
Progesterone (2,2,4,6,6,17A,21,21,21-D9, 98%) | Purity: 98% | Mol Wt: 323.52 | 15775-74-3 | MFCD01317491 | 0.01 g
Medchemexpress LLC Glycine (2-13C, 15N) | 91795-59-4 | MFCD00064424 | 98.0% | 77.05 | C13CH515NO2 | 100mg
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 Dibutyl phthalate-d22 | 358731-15-4 | MFCD01861629 | 99.0% | 300.48 | C16D22O4 | 5mg
Dibutyl phthalate-d22 is the deuterium labeled Dibutyl phthalate[1] Dibutyl phthalate is a commonly used plasticizer commonly found in some food packaging materials personal care products and the coating of oral medications May cause toxicity and adverse neurobehavioral effects[2][3][4]
Medchemexpress LLC Methyl carbamate-d3 | 124522-32-3 | 98.5% | 5mg
Methyl carbamate-d3 is the deuterium labeled Methyl carbamate[1]
Medchemexpress LLC Methyl carbamate-d3 | 124522-32-3 | MFCD34568176 | 100mg
Methyl carbamate-d3 is the deuterium labeled Methyl carbamate[1]
Medchemexpress LLC Glycerol-d8 (1,2,3-propanetriol-d8) | 7325-17-9 | MFCD00084149 | 98.3% | 100.14 | C3D8O3 | 50 MG
Glycerol-d8 (1,2,3-Propanetriol-d8) is the deuterium-labeled analogue of glycerol used as a stable isotope tracer and internal standard in analytical and research workflows. It is supplied at high chemical and isotopic purity for use in NMR spectroscopy, mass spectrometry, and metabolic tracing. This product is intended for research use only.
- High isotopic labeling for clear mass shifts and NMR signals.
- High chemical purity to minimize background interference.
- Compatible with NMR and mass spectrometry analytical workflows.
- Useful as an internal standard for accurate quantitation.
- Stable liquid form for easy sample preparation and handling.
Medchemexpress LLC β-nicotinamide adenine dinucleotide-d4 | 98.3% | 667.45 g/mol | C21H23D4N7O14P2 | 500 UG
Deuterium-labeled nicotinamide adenine dinucleotide (NAD+) supplied as a white to off-white solid for use as a tracer and internal standard in quantitative analytical methods such as NMR, GC-MS, and LC-MS. Supplied as a 500 μg powder and intended for research use; follow storage and handling instructions.
Cayman Chemical Glycohyocholic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), 1 mg
An internal standard for the quantification of glycohyocholic acid by GC- or LC-MS
Cayman Chemical Nicotinamide-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 347841-88-7, 1 mg
An internal standard for the quantification of nicotinamide by GC- or LC-MS