Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Methanol-OD | 1455-13-6 | MFCD00044213 | 100g
Methanol-OD | Purity: ≥99% | Mol Wt: 33.05 | 1455-13-6 | MFCD00044213 | 100g
Sigma Aldrich Fine Chemicals Biosciences Acetic acid-d4 >=99.9 atom % D | 1186-52-3 | MFCD00051051 | 10X0.5ML
Acetic acid-d4 >=99.9 atom % D | Purity: >=99% (CP) | Mol Wt: 64.08 | 1186-52-3 | MFCD00051051 | 10X0.5ML
Cayman Chemical MelatonIn-d4 5mg
An internal standard for the quantification of melatonin by GC- or LC-MS
Cayman Chemical Desmethylcitalopram-d3 hydro
An internal standard for the quantification of desmethylcitalopram by GC- or LC-MS; intended for research and forensic applications
Medchemexpress LLC Methionine | 00-00-0 | MFCD11983488 | 98.0% | C5H7D4NO2S | 10MG
Methionine-d4 is the deuterium-labeled form of methionine used as an isotopic tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. The labeled compound provides accurate mass discrimination and consistent performance in analytical assays, and is supplied as a high-purity solid suitable for storage and routine laboratory use.
- Deuterium-labeled internal standard for quantitative methods
- Compatible with NMR, GC-MS, and LC-MS analyses
- High chemical purity for reliable quantitation
- Stable solid form for long-term storage
- Suitable as a tracer in metabolic and pharmacokinetic studies
Sigma Aldrich Fine Chemicals Biosciences 18-Hydroxycorticosterone-9,11,12,12-d4 >=98 atom % D, >=95% (CP) | 1257742-38-3 | MFCD11656678 | 1MG
18-Hydroxycorticosterone-9,11,12,12-d4 >=98 atom % D, >=95% (CP) | Purity: >=95% (CP) | Mol Wt: 366.48 | 1257742-38-3 | MFCD11656678 | 1MG
Cambridge Isotope Laboratories Betaine (D11, 98%), 1g
Betaine (D11, 98%), 203806-06-8, (CD3)3N+CD2COO-, 128.21, 1g
American Radiolabeled Chemicals Inc PALM AC 16-3H 1LC
Palmitic acid-16-3H 1mCi in ethanol, 1 mCi/ml, 20-30 Ci/mmol, M.W. 256.4, Exclusive
Medchemexpress LLC Yohimbine-d3 | 133146-00-6 | 99.0% | 357.46 g/mol | C21H23D3N2O3 | 5 MG
Yohimbine-d3 is the deuterium-labeled analogue of yohimbine intended for use as a tracer or internal standard in analytical and mass-spectrometry workflows. It provides a mass-differentiated reference to support accurate quantitation and method validation.
Medchemexpress LLC Paclobutrazol-d4 | 297.82 | C15H16D4ClN3O | 5mg
Paclobutrazol-d4 is the deuterium labeled Paclobutrazol Paclobutrazol is a triazole-containing plant growth retardant that is known to inhibit the biosynthesis of gibberellins[1]
Medchemexpress LLC Methoxyamine-d3 hydrochloride | 110220-55-8 | 99.5% | 86.54 g/mol | CH3D3ClNO | 50mg
Methoxyamine-d3 (O-Methylhydroxylamine-d3) hydrochloride is the deuterium labeled Methoxyamine hydrochloride Methoxyamine hydrochloride is an orally active and potent base excision repair (BER) inhibitor[1]
Medchemexpress LLC N-dodecylbenzene-d30 | 352431-29-9 | 98.1% | 276.62 | C18D30 | 10mg
N-Dodecylbenzene-d30 is the deuterium labeled N-Dodecylbenzene[1]
Medchemexpress LLC Melamine-13C3 | 1173022-88-2 | 129.10 | 13C3H6N6 | 1mg
Melamine-13C3 is the 13C labeled Melamine[1] Melamine is a metabolite of cyromazine Melamine is a intermediate for the synthesis of melamine resin and plastic materials[2]
Medchemexpress LLC Olaparib-d5 | 2143107-56-4 | MFCD34469897; MFCD12912443 | 99.4% | 439.49 g/mol | C24H18D5FN4O3 | 10 MG
Olaparib-d5 is a deuterium-labeled analogue of the PARP inhibitor olaparib, intended as an isotopically labeled internal standard or tracer for quantitative analytical applications. It is formulated for use in NMR, GC-MS, and LC-MS workflows, and has molecular formula C24H18D5FN4O3, molecular weight 439.49, and CAS 2143107-56-4.
- Deuterium-labeled internal standard for quantitative analysis.
- High purity suitable for trace-level detection and quantitation.
- Compatible with NMR, GC-MS, and LC-MS analytical methods.
- Reduces chromatographic and mass spectral interferences in assays.
- Provided as a small research quantity for method development and validation.