Isotope Standards
Boron 11 Isotope Standard For ICP/MS, 10μg/mL in H20, SPEX CertiPrep™
CAS: 7440-42-8 Molecular Formula: B Molecular Weight (g/mol): 10.81 MDL Number: MFCD00134034 MFCD00151272 InChI Key: ZOXJGFHDIHLPTG-UHFFFAOYSA-N PubChem CID: 5462311 ChEBI: CHEBI:27560 IUPAC Name: boron SMILES: [B]
Lead 206 Isotope Standard For ICP/MS, SPEX CertiPrep™
CAS: 7439-92-1 Molecular Formula: Pb Molecular Weight (g/mol): 207.20 MDL Number: MFCD00134050 InChI Key: WABPQHHGFIMREM-UHFFFAOYSA-N PubChem CID: 5352425 ChEBI: CHEBI:27889 IUPAC Name: lead SMILES: [Pb]
Lithium 6 Isotope Standard For ICP/MS, SPEX CertiPrep™
CAS: 7439-93-2 Molecular Formula: Li Molecular Weight (g/mol): 6.94 MDL Number: MFCD00134051 InChI Key: WHXSMMKQMYFTQS-UHFFFAOYSA-N PubChem CID: 3028194 ChEBI: CHEBI:30145 IUPAC Name: lithium SMILES: [Li]
Cerilliant Corporation COCAETHYLENE-D8(BENZOYLECG,1ML
Cocaethylene-D8 (Benzoylecgonine ethyl ester-D8), 100 μg/mL
Medchemexpress LLC Ribociclib-d6 | 1328934-40-2 | 99.9% | 440.57 g/mol | C23H24D6N8O | 10 MG
Ribociclib-d6 is a deuterium-labeled isotopologue used as a stable isotope tracer and internal standard for quantitative bioanalytical methods such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for NMR, GC-MS, and LC-MS quantitative analysis.
- High chemical and isotopic purity (99.9%).
- Molecular formula C23H24D6N8O; molecular weight 440.57 g/mol.
- Solid, off-white to yellow appearance; provided as a 10 MG vial.
- Recommended storage: powder -20°C (up to 3 years) or 4°C (up to 2 years); in solvent -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC Racemic triadimefon-d4 | MFCD00055506 | 99.5% | 297.77 g/mol | C14H12D4ClN3O2 | 5mg
( )-Triadimefon-d4 is deuterium labeled Triadimefon Triadimefon is a triazole fungicide used to control powdery mildew rusts and other fungal pests on grains fruit and vegetable crops turf shrubs and trees Triadimefon inhibits lanosterol 14 -demethylase interfering with oxidative demethylation reactions in the ergosterol biosynthesis pathway of fungi and also blocks gibberellin biosynthesis[1]
Medchemexpress LLC Omeprazole-13C,d3 | 1261395-28-1 | 98.0% | C1613CH16D3N3O3S | 1 MG
Omeprazole-13C,d3 is a 13C-labeled and deuterium labeled Omeprazole, which is a proton pump inhibitor (PPI) used for acid-related gastrointestinal disorders. It competitively inhibits CYP2C19 activity and also inhibits the growth of Gram-positive and Gram-negative bacteria. It is also a potent brain penetrant neutral sphingomyelinase (N-SMase) inhibitor (exosome inhibitor).
- 13C-labeled and deuterium labeled Omeprazole.
- 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 Aminobenzenesulfonic auristatin E-d8 | 00-00-0 | MFCD34676922 | 98.0% | C37H56D8N6O8S | 10MG
Aminobenzenesulfonic auristatin E-d8 is a deuterium-labeled drug-linker reagent used in antibody-drug conjugate (ADC) research. It combines auristatin E with an aminobenzenesulfonic linker and is supplied as a solid for preclinical, analytical, and linker-optimization studies. It is intended for research use only.
- Deuterium-labeled version of auristatin E for tracer and stability studies.
- High purity (98.0%).
- Chemical formula: C37H56D8N6O8S.
- Molecular weight: 761.05.
- White to off-white solid appearance.
- Storage: 4°C, protect from light; in solvent: -80°C (6 months), -20°C (1 month).
- Supplied in milligram-scale quantities suitable for ADC development and analytical work.
Medchemexpress LLC ABT-737-d8 | 1217686-68-4 | 99.1% | C42H37D8ClN6O5S2 | 1 MG
ABT-737-d8 is a deuterium labeled ABT-737, a potent BH3 mimetic that inhibits Bcl-2, Bcl-xL, and Bcl-w. It induces the disruption of the BCL-2/BAX complex and BAK-dependent but BIM-independent activation of the intrinsic apoptotic pathway. ABT-737 also induces autophagy and has potential for acute myeloid leukemia (AML) research. Deuteration can affect pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer for quantitative analysis
- Can be an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cayman Chemical Leukotriene A4d5 methyl ester
An internal standard for the quantification of LTA4 methyl ester by GC- or LC-MS
Medchemexpress LLC Tetrabenazine-d6 | 1392826-25-3 | 98.2% | 100 MG
Tetrabenazine-d6, also known as Deutetrabenazine, is a deuterium-labeled compound. It is approved worldwide for the research of Huntington's disease and other hyperkinetic movement disorders.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Extends the half-life in vivo
- Improves oral bioavailability
- Improves metabolic characteristics
- Improves drug safety
- Preserves therapeutic properties