Isotope Standards
Medchemexpress LLC Alendronic acid-d6 | 1035437-39-8 | 98.0% | 255.13 | C4H7D6NO7P2 | 10 MG
Alendronic acid-d6 is the deuterium-labeled analogue of alendronic acid supplied as a solid stable-isotope reagent for use as a tracer and internal standard in quantitative analytical methods such as NMR, GC-MS, and LC-MS. Purity 98.0%; molecular weight 255.13; molecular formula C4H7D6NO7P2. Storage: powder at -20°C (up to 3 years) or 4°C (up to 2 years); in solvent at -80°C (up to 6 months).
- Deuterium-labeled internal standard for quantitative NMR, GC-MS, and LC-MS.
- High purity (98.0%) suitable for analytical workflows.
- Solid powder form with defined long-term storage conditions.
- Provides molecular weight and structural information for method development.
- Available in small pack sizes for tracer and reference applications.
Medchemexpress LLC Axitinib-13C,d3 | 1261432-00-1 | 97.8% | 390.48 g/mol | C21 13C3 H15 D3 N4 O S | 5 MG
Axitinib-13C,d3 is a stable isotope-labeled form of the tyrosine kinase inhibitor axitinib prepared for analytical and research applications. It contains 13C and deuterium labels that facilitate traceable quantitation and identification in mass spectrometry and related assays. Reported purity and molecular weight support its use as an analytical standard in method development and validation.
- Isotopically labeled for analytical tracing and quantitation
- Suitable as an internal standard in mass spectrometry workflows
- High reported purity, appropriate for analytical applications
- Available in small-mass packaging for method development
- For research use only; not for human or veterinary use
Cayman Chemical Leukotriene D4d5
An internal standard for the quantification of LTD4 by GC- or LC-MS
eMolecules Medchem Express / N-Nitrosodiethanolamine-d8 / 1mg / 758391348 / HY-132787S / / 1173019-53-8 / MFCD04118291 / 142.184 / C4H10N2O3
Medchem Express / N-Nitrosodiethanolamine-d8 / 1mg / 758391348 / HY-132787S / / 1173019-53-8 / MFCD04118291 / 142.184 / C4H10N2O3
Medchemexpress LLC Midostaurin-d5 | 00-00-0 | 98.0% | 575.67 g/mol | C35H25D5N4O4 | 1 MG
Midostaurin-d5 is a deuterium-labeled analogue of midostaurin supplied as a powder for analytical and biochemical research. It is intended primarily as an isotopically labeled internal standard for pharmacokinetic, metabolic, and bioanalytical assays.
- Deuterium-labeled internal standard for midostaurin studies.
- Molecular formula C35H25D5N4O4; molecular weight 575.67 g/mol.
- Purity 98.0% as supplied.
- Physical form: powder; typical package size 1 mg.
- Storage: powder -20°C (up to 3 years) or 4°C (up to 2 years).
- Solubility: DMSO ≈15 mg/mL; sonication and warming recommended.
eMolecules Medchem Express / Nilutamide-d6 / 1mg / 791206373 / HY-13702S / / 1189477-66-4 / MFCD21363735 / 323.261 / C12H10F3N3O4
Medchem Express / Nilutamide-d6 / 1mg / 791206373 / HY-13702S / / 1189477-66-4 / MFCD21363735 / 323.261 / C12H10F3N3O4
Cayman Chemical N-methyl LeukotrIen C4 100ug
A stable analog of LTC4 that does not readily metabolize to LTD4 and LTE4 at the expense of marginally reduced biological activity
Cayman Chemical Leukotriene A4 Hydrolase hum
Source: Active recombinant C-terminal His-tagged enzyme expressed in E. coli • MW: ~69 kDa • A bifunctional zinc metalloenzyme that converts LTA4 into LTB4, a potent neutrophil chemoattractant; potential drug target for a variety of indications associated with leukocyte infiltration to sites of inflammation; has application for the screening of inhibitors of LTB4 synthesis
Cayman Chemical Leukotriene A4d5 methyl ester
An internal standard for the quantification of LTA4 methyl ester by GC- or LC-MS
Cayman Chemical Leukotriene C4d5
An internal standard for the quantification of LTC4 by GC- or LC-MS
Cayman Chemical ImIdacloprId ImpurIty 1 100mg
A potential impurity in commercial preparations of imidacloprid
Inorganic Ventures 100µg/mL 6LITHIUM 125mL
Inorganic Ventures' 100 ppm (µg/mL) 6Lithium for ICP-MS is a 125mL certified reference material set in a nitric acid matrix for stability. This lithium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. See Certificate of Analysis for expiration.
ATTENTION: Inorganic Ventures is no longer supplying paper copies of Certificate of Analyses(CoA) and Safety Data Sheets (SDS). Please use this link to download your copies: https://www.inorganicventures.com/coa-sds-search
Medchemexpress LLC 2,5,6,7,8-pentadeuterio-3-(trideuteriomethyl)naphthalene-1,4-dione | 478171-80-1 | MFCD01317514 | 99.5% | C11D8O2 | 10MG
Vitamin K3-d8 is the deuterium-labeled analogue of menadione used as a stable isotope internal standard and tracer for quantitative analytical methods. Supplied as a high-purity powdered reagent, it is intended for precise quantification in research laboratories and is stable under recommended storage conditions.
- High isotopic enrichment for reliable internal standardization.
- Purity 99.5% for accurate quantitation.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Stable as a powder at recommended cold storage temperatures for extended periods.
- Available in small-mass packages suitable for trace-level analyses.