PubChem

PubChem is a free database that provides detailed chemical information. It allows users to search and explore data on chemical compounds, substances, and bioactivities.

Key Features

• Extensive chemical database
• Detailed compound information
• Searchable by structure, name, or formula
• Links to related scientific literature
• User-friendly interface

Pros

• Comprehensive and up-to-date data
• Accessible at no cost
• Supports multiple search methods
• Integrates with other scientific resources

Cons

• Data may vary in completeness
• Limited advanced analysis tools
• No mobile app for on-the-go access
• Occasional data retrieval delays