Isotope Standards
Inorganic Ventures 10µg/mL 11 BORON 100mL
Inorganic Ventures' 10 ppm (µg/mL) 11Boron for ICP-MS is a 100mL certified reference material set in a nitric acid matrix for stability. This boron 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 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.
Sigma Aldrich Fine Chemicals Biosciences Nitazoxanide United States Pharmacopeia (USP) Reference Standard | 55981-09-4 | MFCD00416599 | 200MG
Nitazoxanide United States Pharmacopeia (USP) Reference Standard | Mol Wt: 307.28 | 55981-09-4 | MFCD00416599 | 200MG
Medchemexpress LLC Axitinib-13C,d3 | 1261432-00-1 | 97.8% | 390.48 g·mol⁻¹ | C21H15D3N4OS | 10 MG
Axitinib-13C,d3 is a 13C- and deuterium-labeled isotopic standard of axitinib provided for research use. It is intended as an analytical reference for mass spectrometry, pharmacokinetic, and metabolic studies, enabling accurate quantitation and tracer experiments in preclinical and analytical workflows.
- Isotopically labeled with 13C and d3 for use as an internal standard.
- High isotopic enrichment (≈99% 13C, ≈98% D) for reliable mass spectrometry quantitation.
- High purity suitable for analytical applications (~97.8% HPLC).
- Suitable for pharmacokinetic, metabolic profiling, and tracer studies.
- Supplied in research-scale quantities appropriate for laboratory assays.
Cayman Chemical Leukotriene D4d5
An internal standard for the quantification of LTD4 by GC- or LC-MS
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