Description

Naratriptan Impurity E is a designated impurity standard used in the pharmaceutical development and quality control of Naratriptan, a medication for migraine treatment. This high-purity reference material is critical for ensuring the safety, efficacy, and regulatory compliance of the active pharmaceutical ingredient (API). It is primarily required by pharmaceutical manufacturers, analytical laboratories, and regulatory bodies for method validation, stability studies, and impurity profiling.

Application

• Pharmaceutical Reference Standard: Serves as a certified impurity standard for the quantitative and qualitative analysis of Naratriptan API and finished drug products.
• Analytical Method Development & Validation (HPLC/LC-MS): Used as a critical component in developing and validating chromatographic methods for impurity separation and detection.
• Stability Indicating Studies: Employed to monitor the formation of this specific degradant during forced degradation and long-term stability studies of Naratriptan.
• Quality Control & Batch Release Testing: Essential for setting specification limits and conducting routine QC testing to ensure batch-to-batch consistency and purity.
• Regulatory Submissions (FDA, EMA, ICH): Provides necessary data for regulatory filings, supporting the identification, qualification, and control of impurities as per ICH Q3A(R2) and Q3B(R2) guidelines.
• Research & Development: Used in synthetic route optimization and process chemistry to understand and minimize the formation of this impurity.

Basic Information

Product Name	Naratriptan Impurity E
CAS No.	1346746-73-3
Molecular Formula	C17H25N3O2S
Molecular Weight	335.47 g/mol
Synonyms	N-Methyl-2-[3-(1-methyl-4-piperidinyl)-1H-indol-5-yl]ethanesulfonamide; 1H-Indole-5-ethanesulfonamide, N-methyl-2-[3-(1-methyl-4-piperidinyl)-]; Naratriptan Related Compound E; Naratriptan EP Impurity E; Naratriptan USP Impurity E; N-Methyl-2-[3-(1-methylpiperidin-4-yl)-1H-indol-5-yl]ethanesulfonamide; Naratriptan Process Impurity
EINECS	Contact for details

Quality Control

Every batch of Naratriptan Impurity E is manufactured and analyzed under strict quality management systems. Our products undergo rigorous identity confirmation, purity assay, and impurity profiling using advanced techniques like HPLC and LC-MS to ensure compliance with pharmacopeial standards (USP/EP). A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing desiccated at 2-8°C.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Any individual impurity: ≤ 0.5% Total impurities: ≤ 2.0%
Residual Solvents (GC)	Complies with ICH Q3C
Water Content (KF)	≤ 1.0% w/w

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.