Isotopically Labeled Compounds
Cambridge Isotope Laboratories Taurohyodeoxycholic Acid Sodium Salt (2 2 3 3-D4 98%) CP 95% 1 mg
Taurohyodeoxycholic Acid Sodium Salt (2 2 3 3-D4 98%) CP 95% 1 mg
Medchemexpress LLC Pseudooxynicotine-d4 hydrochloride | 764661-23-6 | MFCD12031608 | 99.0% | 255.18 | C10H12D4Cl2N2O | 5 MG
Pseudooxynicotine-d4 hydrochloride is the deuterium-labeled (d4) analogue of pseudooxynicotine supplied as the hydrochloride salt. It is intended for use as an isotopically labeled reference or internal standard in analytical and mass spectrometry applications. The product is supplied as a powdered material in small milligram pack sizes.
- Deuterium-labeled internal standard for MS quantitation.
- Hydrochloride salt for improved stability and handling.
- High purity: 99.0%.
- Molecular weight 255.18 g/mol; chemical formula C10H12D4Cl2N2O.
- Available in small pack sizes suitable for trace analysis.
- Store sealed at 4°C; in solvent store at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Alanine-2,3,3,3-d4 | 53795-92-9 | MFCD00084108 | 99.8% | 93.12 g/mol | C3H3D4NO2 | 10 MG
Alanine-2,3,3,3-d4 is a deuterium-labeled form of alanine used as a stable-isotope tracer and internal standard for quantitative analysis. It is intended for analytical workflows in which accurate quantitation and tracing are required, and is supplied in milligram pack sizes suitable for NMR, GC-MS, and LC-MS applications.
- Deuterium-labeled for isotope tracing and internal standardization.
- High purity (99.8%) for accurate quantitation.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Available in multiple small milligram pack sizes for analytical use.
- Molecular weight 93.12 g/mol and CAS 53795-92-9 for unambiguous identification.
Medchemexpress LLC 1-Hexanol-d11 | 2159-18-4 | 99.3% | 113.24 | C6H3D11O | 50 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol used as an isotopic standard and tracer in analytical and research applications. Deuterium substitution produces a predictable mass shift for mass spectrometry and metabolic labeling studies; the compound is supplied as a colorless to light yellow liquid with high reported purity.
- Deuterium-labeled isotopologue for mass-shifted analysis.
- High purity suitable for analytical standards.
- Useful as an internal standard in mass spectrometry workflows.
- Stable when stored under recommended low-temperature conditions.
- Available in small research quantities for analytical applications.
Medchemexpress LLC Isobutylparaben-d4 | 1219805-33-0 | 98.5% | 198.25 g/mol | C11H10D4O3 | 1 MG
Isobutylparaben-d4 is the deuterium-labeled analogue of isobutylparaben used as a stable isotope internal standard for analytical and research applications. It is provided as a high-purity, fully characterized material designed to support quantitative mass spectrometry, method development, and calibration workflows.
- High isotopic enrichment for accurate internal standardization.
- High purity suitable for quantitative analytical use.
- Optimized for mass spectrometry and chromatographic methods.
- Supplied in measured small quantities for standards preparation.
- Certificate of analysis documents purity and isotopic enrichment.
Medchemexpress LLC Levomefolic acid-13C,d3 | 1356019-94-7 | 98.4% | 463.47 | 500 UG
Levomefolic acid-13C,d3 is the deuterium labeled Levomefolic acid (HY-14781). It is an orally active, brain-penetrant natural active form of folic acid and a widely used folic acid food supplement. This compound can be used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes are incorporated for drug development quantitation. Deuteration can affect pharmacokinetic and metabolic profiles of drugs.
- Orally active, brain-penetrant natural active form of folic acid
- Widely used folic acid food supplement
- Used as a tracer and internal standard for quantitative analysis
- Stable heavy isotopes incorporated for drug development quantitation
- Deuteration can affect pharmacokinetic and metabolic profiles
Cambridge Isotope Laboratories ACETYL CHLORIDE (1,2-13C2, 99%), 1 G, 89186-79-8
ACETYL CHLORIDE (1,2-13C2, 99%), 1 G, 89186-79-8
Cambridge Isotope Laboratories 1-PHENYLETHANOL (2-13C, 90%) (95% PURE), 1 G
1-PHENYLETHANOL (2-13C, 90%) (95% PURE), 1 G
Cambridge Isotope Laboratories 1-BROMOPENTANE (METHYL-D3, 98%), 1 G
1-BROMOPENTANE (METHYL-D3, 98%), 1 G
Cambridge Isotope Laboratories TETRACOSANOIC ACID (12,12,13,13-D4, 98%), 0.25 G
TETRACOSANOIC ACID (12,12,13,13-D4, 98%), 0.25 G
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 Acetamide-d5 | 33675-83-1 | MFCD00190374 | 98.9% | 64.10 | C2D5NO | 5mg
Acetamide-d5 is the deuterium labeled Acetamide[1] Acetamide is used as an intermediate in the synthesis of methylamine thioacetamide and insecticides and as a plasticizer in leather cloth and coatings Acetamide has carcinogenicity[2][3]
Medchemexpress LLC Docosanoic acid-d43 (Behenic acid-d43) | 29823-26-5 | 99.3% | 383.85 | 1 MG
Docosanoic acid-d43 (Behenic acid-d43) is the deuterium labeled Docosanoic acid (HY-W013049). Docosanoic acid (Behenic acid) is a long-chain saturated fatty acid. Docosanoic acid inhibits the double-stranded DNA (dsDNA) binding activity of p53 DNA binding domain, with a Kd of 12 nM. Docosanoic acid has low bioavailability and can increase cholesterol in humans.
- Deuterium labeled docosanoic acid.
- Long-chain saturated fatty acid.
- 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 4-Methylcatechol-d3 | 83719-41-9 | 98.4% | 127.16 | 5 MG
4-Methylcatechol-d3 is the deuterium labeled 4-Methylcatechol. 4-Methylcatechol, a metabolite of p-toluate, is a substrate as well as a suicide inhibitor of Catechol 2,3-Dioxygenase.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.