PubChem Chemical Compound Scraper

Search and extract chemical compound data from PubChem. Get molecular structures, properties, safety info, and bioactivity. No API key needed.

Search NIH PubChem for chemical compounds by name, formula, or CID. Returns molecular formula, weight, SMILES, InChI, log P, hydrogen bonds, and synonyms. 100M+ compounds.

PubChem Compound Lookup — Chemistry API for Pharma R&D

azureblue/pubchem-compound-scraper

Look up chemical compounds in PubChem by name. Returns CID, molecular formula, weight, SMILES, InChI, IUPAC name, physicochemical properties, description and synonyms.

PubChem Compound Scraper

parseforge/pubchem-compound-scraper

Export chemical compound data from PubChem, the world's largest open chemistry database with 119M+ compounds. Look up by CID, name, SMILES, or InChIKey. Pull molecular formulas, weights, structures, synonyms, IUPAC names, and properties.

ChEMBL Molecules Scraper

parseforge/chembl-molecules-scraper

Scrape molecules from EBI ChEMBL public API including SMILES, InChI, molecular properties (MW, logP, HBA, HBD, PSA, RTB), max phase, ATC classifications, oral/parenteral/topical flags, first approval, black box warning, prodrug and withdrawn flag. No API key required.

OEIS Integer Sequences Scraper

parseforge/oeis-integer-sequences-scraper

Export integer sequences from the Online Encyclopedia of Integer Sequences (OEIS) with 370k+ entries. Search by A-number, keyword, or sequence values. Pull sequence terms, formulas, references, authors, cross-references, and program code.

KEGG Pathways Scraper

parseforge/kegg-pathways-scraper

Export biological pathway data from KEGG, the reference encyclopedia of genes, proteins, and metabolic networks. List, fetch, or search entries from pathway, module, KO, genome, compound, glycan, reaction, enzyme, drug, and disease databases.

PubChem Compound - Chemical & Drug Data

pink_comic/pubchem-compound-search

Search PubChem for chemical compound data. Find compounds by name, formula, or structure. For chemists, pharma researchers, toxicologists, and materials scientists. Pay per result.

PubChem Compound Scraper

crawlerbros/pubchem-scraper

Scrape PubChem - the world's largest free chemistry database with 100M+ compounds. Search by name, CID, SMILES, or full-text. Returns molecular formula, weight, SMILES, InChI, logP, H-bond counts, synonyms, and more.

ChEMBL Compounds Scraper

parseforge/chembl-compounds-scraper

Browse the ChEMBL bioactive molecule catalogue by max clinical phase from preclinical through approved drugs. Returns molecule identifiers, molecular weight, standard InChI, and structural data. Paginate by molregno. Useful for drug discovery, cheminformatics, and pharma research.