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• Solvents and Organic Chemicals Organic Compounds Benzenoids Phenols 1-hydroxy-4-unsubstituted benzenoids

Comprehensive Guide to rac Norphenylephrine Hydrochloride (Phenylephrine Impurity A, CAS No. 4779-94-6)

rac Norphenylephrine Hydrochloride (CAS No. 4779-94-6), also known as Phenylephrine Impurity A, is a chiral compound of significant interest in pharmaceutical research and quality control. As an impurity of Phenylephrine, a widely used decongestant, this compound plays a crucial role in ensuring drug safety and efficacy. The growing demand for high-purity pharmaceuticals has increased attention on impurities like rac Norphenylephrine Hydrochloride, making it a hot topic in analytical chemistry and regulatory compliance.

The chemical structure of rac Norphenylephrine Hydrochloride consists of a phenylethanolamine backbone with a hydroxyl group at the beta position and a methylamino group at the alpha position. Its racemic nature means it contains both R and S enantiomers, which is particularly important when studying stereochemical effects in drug metabolism. Researchers often investigate this compound when developing chiral separation methods for Phenylephrine analysis, as the presence of enantiomeric impurities can affect drug potency and safety profiles.

In pharmaceutical quality control, rac Norphenylephrine Hydrochloride serves as a critical reference standard for Phenylephrine impurity profiling. Regulatory agencies worldwide, including the FDA and EMA, require thorough characterization of such impurities to ensure medication safety. Recent advancements in HPLC and chiral chromatography techniques have improved the detection and quantification of this compound at trace levels, addressing current industry concerns about drug purity standards.

The synthesis and characterization of Phenylephrine Impurity A have gained attention in academic circles, with numerous studies focusing on its physicochemical properties and chromatographic behavior. Its solubility profile, stability under various conditions, and spectroscopic characteristics are well-documented in scientific literature. These properties are particularly relevant for researchers developing stability-indicating methods for Phenylephrine-containing formulations.

From an analytical perspective, rac Norphenylephrine Hydrochloride presents interesting challenges due to its structural similarity to Phenylephrine. Modern analytical techniques such as LC-MS/MS and NMR spectroscopy are frequently employed to distinguish and quantify this impurity in pharmaceutical preparations. The development of sensitive detection methods aligns with current industry trends toward quality by design (QbD) principles in drug manufacturing.

The pharmaceutical industry's increasing focus on genotoxic impurities has brought additional scrutiny to compounds like rac Norphenylephrine Hydrochloride. While current evidence suggests this particular impurity doesn't pose significant genotoxic risk, its thorough evaluation reflects the sector's commitment to patient safety. This aligns with growing consumer awareness about drug safety and the importance of pharmaceutical impurities control.

In research applications, rac Norphenylephrine Hydrochloride serves as a valuable tool for studying adrenergic receptor interactions. Its structural features make it interesting for investigating structure-activity relationships in sympathomimetic amines. Recent studies have explored its potential effects on various receptor subtypes, contributing to our understanding of Phenylephrine's pharmacological profile.

The commercial availability of rac Norphenylephrine Hydrochloride as a high-purity reference material has facilitated its use in method validation and quality control laboratories worldwide. Suppliers typically provide comprehensive certificates of analysis including detailed characterization data, meeting the stringent requirements of pharmaceutical reference standards. This availability supports the industry's need for reliable impurity standards in analytical method development.

Environmental considerations in pharmaceutical manufacturing have also brought attention to compounds like rac Norphenylephrine Hydrochloride. While not classified as environmentally hazardous, its presence in waste streams from drug production facilities is monitored as part of comprehensive environmental risk assessments. This reflects broader industry trends toward green chemistry and sustainable pharmaceutical manufacturing practices.

Looking forward, the importance of rac Norphenylephrine Hydrochloride in pharmaceutical analysis is likely to grow as regulatory standards become more stringent. The development of novel analytical techniques and the increasing adoption of continuous manufacturing processes will create new opportunities and challenges in impurity control. Researchers continue to explore advanced detection methods and improved synthetic routes for this and related compounds, ensuring the ongoing relevance of Phenylephrine Impurity A in pharmaceutical science.

• 770-05-8(Octopamine hydrochloride)
• 15308-34-6(3-(2-Amino-1-hydroxyethyl)phenol Hydrochloride)
• 3458-94-4(1,2-Benzenediol,4-[(1S)-2-amino-1-hydroxyethyl]-, hydrochloride (9CI))
• 104-14-3(4-(2-amino-1-hydroxyethyl)phenol)
• 4502-14-1(Benzenemethanol, a-(aminomethyl)-4-hydroxy-,hydrochloride (1:1))
• 13026-50-1(Benzenemethanol, a-(aminomethyl)-3-hydroxy-)
• 826-01-7(4-(1S)-2-amino-1-hydroxyethylphenol)
• 329-56-6(Norepinephrine hydrochloride)
• 55-27-6(DL-Norepinephrine hydrochloride)
• 536-21-0(3-(2-amino-1-hydroxyethyl)phenol)