PHR9038

Metoprolol EP Impurity B

reference material

• Synonym(s): 4-(2-Methoxyethyl)phenol
• Linear Formula: CH₃O(CH₂)₂C₆H₄OH
• CAS Number: 56718-71-9
• Molecular Weight: 152.19
• MDL number: MFCD00017537

Properties

• grade: reference material
• agency: (Not traceable to any primary pharmacopoeia standard)
• API family: metoprolol
• assay: ≥96.5% (GC)
• shelf life: limited shelf life, expiry date on the label
• mp: 42-45 °C (lit.)
• application(s): pharmaceutical small molecule
• storage temp.: −20°C
• SMILES string: COCCc1ccc(O)cc1
• InChI: 1S/C9H12O2/c1-11-7-6-8-2-4-9(10)5-3-8/h2-5,10H,6-7H2,1H3
• InChI key: FAYGEALAEQKPDI-UHFFFAOYSA-N

Description

General description

This reference material (RM) is produced and certified in accordance with ISO/IEC 17025. This RM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 230.0 °F - closed cup
• flash_point_c: 110 °C - closed cup