Isotopically Labeled Compounds
Medchemexpress LLC Sodium (S)-2-hydroxypropanoate-d3 | 285979-84-2 | MFCD00084178 | 98.3% | 115.08 g/mol | C3H2D3NaO3 | 5 MG
L-Lactic acid-d3 sodium is the deuterium-labeled sodium salt of L-lactic acid (sodium (S)-2-hydroxypropanoate-d3) supplied for research use as an isotopically labeled standard or tracer. It is provided as a solid with high labeled purity and is intended for analytical and metabolic studies.
- Isotopically labeled (d3) sodium salt.
- High purity suitable for research (98.3%).
- Molecular weight 115.08 g/mol.
- Chemical formula C3H2D3NaO3 and CAS 285979-84-2.
- Supplied in small, accurately measured quantities for analytical use.
- Store sealed at 4°C and protect from moisture; in solvent store at -80°C for long-term stability.
Cambridge Isotope Laboratories POTASSIUM THIOCYANATE (13C, 95-99%) 95%+ PURE, 1 G, 143827-33-2
POTASSIUM THIOCYANATE (13C, 95-99%) 95%+ PURE, 1 G, 143827-33-2
Medchemexpress LLC Ethyl 4-hydroxybenzoate-d4 | 1219795-53-5 | 170.20 | C9H6D4O3 | 10 MG
Ethylparaben-d4 is the deuterium-labeled analog of ethyl 4-hydroxybenzoate supplied for research use as an isotopically labeled internal standard or tracer for quantitative analysis by NMR, GC-MS, and LC-MS. It contains four deuterium atoms (d4) to enable mass discrimination and accurate quantitation.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Molecular formula C9H6D4O3 and molecular weight 170.20.
- Available in small analytical quantities (commonly 1 mg, 5 mg, 10 mg).
- For research use only; not for human or clinical use.
Cambridge Isotope Laboratories OXALIC ACID, DISODIUM SALT (1,2-13C2, 99%), 1 G, 260429-91-2
OXALIC ACID, DISODIUM SALT (1,2-13C2, 99%), 1 G, 260429-91-2
Medchemexpress LLC Deuterium labeled uridine | 40632-21-1 | 98.5% | 10 MG
Deuterium-labeled uridine supplied as a stable-isotope standard for analytical and biochemical research. The compound is intended for use as an internal standard, tracer, or reference in LC-MS quantification, metabolite identification, and metabolic flux studies. It is provided at high reported purity to support reproducible analytical results.
- Molecular formula C9H10D2N2O6
- Molecular weight 246.21 g/mol
- Purity 98.5%
- CAS number 40632-21-1
- Intended use LC-MS, metabolite identification, and tracer studies
- Available in small milligram quantities for analytical workflows
Medchemexpress LLC Adipic acid-d4 (hexanedioic acid-d4) | 121311-78-2 | 98.0% | 150.17 g/mol | C6H6D4O4 | 5 MG
Adipic acid-d4 is a deuterium-labeled stable isotope of adipic (hexanedioic) acid supplied as a small, pre-weighed research reagent and analytical standard for use in mass spectrometry, tracer studies, and methods requiring isotopically labeled compounds.
- Deuterium-labeled stable isotope for analytical applications.
- High purity (98.0%) suitable for quantitative analysis.
- Available in small pre-weighed packages including 5 mg.
- Good solubility in DMSO (≥100 mg/mL) for solution preparation.
- Recommended storage: powder at -20°C (3 years) or 4°C (2 years).
- Molecular formula C6H6D4O4; molecular weight 150.17 g/mol.
Medchemexpress LLC D-glucose-d4 | 478529-49-6 | 99.0% | 184.18 g/mol | C6H8D4O6 | 10 MG
D-Glucose-d4 is a deuterium-labeled D-glucose used as an isotopic internal standard and tracer for analytical and metabolic studies. It is commonly applied in LC-MS, GC-MS, NMR, and metabolic flux experiments where stable isotope labeling enables tracking or accurate quantification.
- Deuterium labeling: d4
- Purity: 99.0%
- Chemical formula: C6H8D4O6
- Molecular weight: 184.18 g/mol
- Appearance: solid, white to off-white
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month)
- Pack size: 10 MG
Medchemexpress LLC D-(+)-glucose-d12-1 | 89798-27-6 | 99.4% | 192.23 g/mol | C6D12O6 | 10 MG
D-Glucose-d12-1 is a deuterium-labeled form of D-glucose (C6D12O6) intended for use as an isotopic tracer and as a quantitative internal standard in analytical methods. It is supplied as a high-purity crystalline powder for laboratory research and analytical workflows.
- Uniformly deuterated glucose (C6D12O6).
- High purity: 99.4%.
- Used as tracer and internal standard for NMR, GC-MS, and LC-MS.
- Supplied as a stable crystalline powder suitable for analytical preparation.
- Recommended storage: powder at -20°C for long-term stability.
Cambridge Isotope Laboratories HEXANOIC ACID (1-13C, 99%), 0.5 G, 58454-07-2
HEXANOIC ACID (1-13C, 99%), 0.5 G, 58454-07-2
Cambridge Isotope Laboratories INDOLE (13C8, 98%+; 15N, 96-99%), 0.1 G
INDOLE (13C8, 98%+; 15N, 96-99%), 0.1 G
Cambridge Isotope Laboratories MALONIC ACID (2-13C, 99%), 1 G, 55514-11-9
MALONIC ACID (2-13C, 99%), 1 G, 55514-11-9
Cambridge Isotope Laboratories 3-NITRO-L-TYROSINE (RING-13C6, 99%) 94%+ PURE, 0.01 G
3-NITRO-L-TYROSINE (RING-13C6, 99%) 94%+ PURE, 0.01 G
Cambridge Isotope Laboratories ETHANE (1-13C, 99%), 0.25 L, 6145-17-1
ETHANE (1-13C, 99%), 0.25 L, 6145-17-1
Medchemexpress LLC Vilazodone-d8 | 1794789-93-7 | 99.0% | C26H19D8N5O2 | 1 MG
Vilazodone-d8 is a deuterium-labeled vilazodone, which acts as a combined serotonin specific reuptake inhibitor (SSRI) and 5-HT1A receptor partial agonist. It can be used as a tracer and internal standard for quantitative analysis.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Targets 5-HT1A Receptor
- Appears as a solid
- Color: white to off-white
- Soluble in H2O: ≥ 0.32 mg/mL (0.71 mM)
Medchemexpress LLC Betaine-d3 chloride | 1219349-47-9 | 98.6% | 156.63 g/mol | C5H9D3ClNO2 | 10 MG
Betaine-d3 chloride is the deuterium-labeled form of betaine chloride intended for use as an isotopic tracer and internal standard in quantitative NMR, GC-MS, and LC-MS analyses for research applications.
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- Reported purity 98.6%.
- Molecular weight 156.63 g/mol.
- Molecular formula C5H9D3ClNO2.
- Available in a 10 mg package suitable for analytical workflows.
- For research use only; not for human or clinical use.