Isotopically Labeled Compounds
Medchemexpress LLC Diethyltoluamide-d7 | 1219799-37-7 | 98.5% | 198.31 | C12H10D7NO | 10 MG
Diethyltoluamide-d7 is a deuterium-labeled analogue of N,N-diethyl-m-toluamide (DEET) used as an isotope-labeled reference standard for analytical chemistry. It is intended for use as an internal standard in mass spectrometry, calibration, and method validation, supplied in milligram quantities with high isotopic enrichment and purity.
- Deuterium-labeled internal standard (D7) for mass spectrometry.
- High purity (98.5%) suitable for quantitative analysis.
- Molecular weight 198.31 g/mol.
- CAS number 1219799-37-7 for unambiguous identification.
- Supplied in small milligram quantities for analytical workflows.
Cayman Chemical L-Methionine-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 13010-53-2, 100 mg
An internal standard for the quantification of L-methionine by GC- or LC-MS
Cayman Chemical IpronIdazole-d3 500ug
An internal standard for the quantification of ipronidazole by GC- or LC-MS
Sigma Aldrich Fine Chemicals Biosciences L-Valine-13C5,15N 98 atom % 15N, 98 atom % 13C, 95% (CP) | 202407-30-5 | MFCD00144708 | 250MG
L-Valine-13C5,15N 98 atom % 15N, 98 atom % 13C, 95% (CP) | Purity: 95% (CP) | Mol Wt: 123.1 | 202407-30-5 | MFCD00144708 | 250MG
Medchemexpress LLC Metolachlor-d6 | 1219803-97-0 | 99.6% | 1 MG
Metolachlor-d6 is the deuterium-labeled form of Metolachlor. Metolachlor is a pre-emergent, selective, chloroacetanilide herbicide used to control various annual grass and broadleaf weeds in corn and other crops. It is a chiral herbicide consisting of four stereoisomers.
- 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 L-Tryptophan-d5 | 62595-11-3 | MFCD28495036 | 209.26 | 1 MG
L-Tryptophan-d5 is a deuterium-labeled form of L-Tryptophan, an essential amino acid. It serves as a precursor for the synthesis of 5-HT, melatonin, and niacin, and is involved in various physiological processes.
- Deuterium-labeled essential amino acid
- Precursor for 5-HT, melatonin, and niacin synthesis
- Involved in immune function
- Plays a role in neuronal activity
Medchemexpress LLC Urea-d4 | 1433-11-0 | MFCD00044227 | 100.0% | 64.08 g·mol^-1 | CD4N2O | 5g
Urea-d4 is the deuterium labeled Urea[1] Urea is a powerful protein denaturant via both direct and indirect mechanisms[2] A potent emollient and keratolytic agent[3] Used as a diuretic agent Blood urea nitrogen (BUN) has been utilized to evaluate renal function[4] Widely used in fertilizers as a source of nitrogen and is an important raw material for the chemical industry
Medchemexpress LLC Palmitic acid-13C2 | 86683-25-2 | 258.41 | 25 MG
Palmitic acid-13C2 is a 13C-labeled version of Palmitic acid, a long-chain saturated fatty acid found in animals and plants. It has been observed to induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in mouse granulosa cells.
- Purity: 99.54%
- Intended for research use only
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Powder is stable for 3 years at -20°C and 2 years at 4°C
- In solvent, stable for 6 months at -80°C and 1 month at -20°C
- Soluble in DMSO (≥ 100 mg/mL)
Cayman Chemical Palmitic Acid-d31, Purity: ≥99% deuterated forms (d1-d31), CAS: 39756-30-4, 1 g
An internal standard for the quantification of palmitic acid by GC- or LC-MS
eMolecules AstaTech / ACETAMIDE-15N / 0.1g / 718054738 / 41452 / 95.000 / 1449-72-5 / MFCD00084187 / 60.061 / C2H5NO
AstaTech / ACETAMIDE-15N / 0.1g / 718054738 / 41452 / 95.000 / 1449-72-5 / MFCD00084187 / 60.061 / C2H5NO
Medchemexpress LLC Oxalic acid-13C2 | 62654-02-8 | MFCD00084031 | 99.5% | 92.02 g·mol⁻1 | 13C2H2O4 | 5mg
Oxalic acid-13C2 is the deuterium labeled Oxalic acid 99% (HY-Y0262)[1] Oxalic Acid is a strong dicarboxylic acid occurring in many plants and vegetables and can be used as an analytical reagent and general reducing agent[2]
Medchemexpress LLC 4-((2r,3s,4r,5s)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolid | 1229705-22-9 | MFCD26142931 | 99.6% | 619.50 | C31H26D3Cl2F2N3O4 | 10 MG
Idasanutlin-d3-1 is the deuterium-labeled analogue of idasanutlin supplied as a stable-isotope reference standard for research. It is intended for use as an internal standard or tracer in analytical, pharmacokinetic, and ADME studies of MDM2/p53 inhibitors, enabling accurate quantitation, method validation, and recovery assessment in LC-MS workflows. The product is supplied as a characterized solid with supporting analytical documentation.
- Used as internal standard for LC-MS quantitation.
- Suitable for pharmacokinetic and ADME studies.
- High purity (99.6%).
- Molecular formula C31H26D3Cl2F2N3O4.
- Molecular weight 619.50.
- Supplied with COA, HNMR, LCMS, and SDS.
Medchemexpress LLC p-Toluic acid-d7 | 1219798-76-1 | MFCD06658857 | 99.72% | C8HD7O2 | 25 MG
p-Toluic acid-d7 is the deuterium labeled p-Toluic acid. This substituted benzoic acid can be used as an intermediate for the synthesis of para-aminomethylbenzoic acid (PAMBA) and p-tolunitrile. It is intended for research use only.
- Deuterium labeled compound
- Can be used as a tracer
- Suitable as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Potential to affect pharmacokinetic and metabolic profiles in drug development
Medchemexpress LLC 1,6-anhydro-β-D-glucopyranose-d7 | 2483832-05-7 | 99.9% | 169.18 g/mol | C6H3D7O5 | 25 MG
Levoglucosan-d7 is the deuterium-labeled isotopic form of levoglucosan (1,6-anhydro-β-D-glucopyranose), supplied as an analytical standard for research and mass spectrometry applications.
- Deuterium-labeled isotopic standard for levoglucosan.
- High purity (99.9%).
- Cas number 2483832-05-7.
- Provided as a solid suitable for analytical use.
- Common application: internal standard in mass spectrometry and tracer studies of biomass pyrolysis.
- Available in small quantities for analytical workflows (for example, 25 mg).