(1R,2R)-(−)-Pseudoephedrine (CAS No. 321-97-1) – Pharmaceutical Grade Supply
(1R,2R)-(−)-Pseudoephedrine, with CAS No. 321-97-1, is a high-purity chiral compound commonly known as (−)-Pseudoephedrine or l-[Pseudoephedrine]. Its molecular weight is 165.23, and its chemical formula is C6H5CH[CH(NHCH3)CH3]OH. This compound features a stereocenter and belongs to the sympathomimetic amine class, serving as a significant active agent in both pharmaceutical and research contexts.
Physical & Chemical Properties:
- Appears as a fine white crystalline powder, sometimes almost colorless.
- Melting point: 118–120°C.
- Soluble in water, ethanol, and most organic solvents.
- Optical activity: [α]20/D −51°, c = 0.6 in ethanol.
Applications:
- Pharmaceuticals: Used as a nasal decongestant and bronchodilator in cold and allergy formulations.
- Research & Development: Employed in adrenergic response studies, precursor synthesis, and impurity profiling for drug development.
- Analytical & API Standard: Valuable for reference standards in pharmaceutical quality control and for calibration in chromatographic methods.
Product Advantages:
- Ultra-High Purity: Consistently ≥98% (batch-assayed), ensuring the best efficacy and reliability for both formulation and research.
- Global Availability: Available for bulk supply and sample order, shipped internationally with rapid turnaround.
- Secure Packaging: Each order is discreetly packed to preserve product integrity and meet regulatory needs.
Why Order from Us?
- Industry-leading purity and documentation: COA, MSDS included with every batch.
- Fast worldwide delivery—your order arrives in 1-8 days based on location and order size.
- Responsive support: Contact us via WhatsApp, Email, or Telegram for instant replies and technical guidance.
- Trusted by pharmaceutical companies, researchers, and labs globally.
Storage Recommendations:
- Store in a refrigerator (+4°C) or cool, dry place in tightly sealed containers.
- Protect from direct sunlight, moisture, and incompatible substances to maintain product potency.
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(1R,2R)-(−)-Pseudoephedrine (CAS No. 321-97-1) – for Sale with Express Shipping
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Explore premium quality (1R,2R)-(−)-Pseudoephedrine for research, development, and pharmaceutical manufacturing. Benefit from reliable supply, meticulous purity standards, rapid global shipping, and accessible customer support. Buy Pseudoephedrine (CAS No. 321-97-1)

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