CAS 903550-26-5 | 1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester

Product Overview

1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester (CAS 903550-26-5) is an organoboron reagent used in Suzuki-Miyaura cross-coupling reactions to construct pyrazole-containing molecular frameworks.

Technical Specifications

• Product Name: 1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester
• CAS Number: 903550-26-5
• Molecular Formula: C14H23BN2O3
• Molecular Weight: 278.16
• Appearance: White to off-white solid
• Purity (HPLC): ≥98.0%
• Solubility: Soluble in chloroform
• Brand: Conscientia Industrial
• Country of Origin: China

Why Choose Conscientia Industrial

• Technical Quality Control: Batch testing via HPLC and NMR verifies chemical identity and physical stability for every production run of CAS 903550-26-5.
• Full Technical Documentation: Conscientia Industrial supplies a complete technical dossier for 1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester (CAS 903550-26-5), including COA, MSDS, and MOA.
• Scalable Production Capacity: Facilities in China provide flexible production capacity for 1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester from grams to multi-kilogram commercial lots.
• Direct Source Advantage: Factory-direct supply of 1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester ensures competitive cost structures, reliable lead times, and prompt technical support.

Packaging & Storage

• Standard Packaging: 100g, 500g, 1kg glass bottles or aluminum foil bags, and 25kg drums.
• Storage Condition: Store in an airtight container at 2°C to 8°C under inert gas atmosphere. Keep in a dry, dark place away from heat, moisture, and strong oxidizing agents.
• Shelf Life: 24 months when stored under recommended conditions.
• Safety Handling: Industrial reagent for laboratory research and chemical manufacturing. Wear appropriate gloves, eye protection, and protective clothing.

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