PubChem Compound Properties

Look up PubChem compounds by name or CID and return normalized identifiers, molecular formula, weight, SMILES, InChI, synonyms, and PubChem URLs via the public PUG REST API.

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PubChem Scraper — Compounds, Properties & SMILES

logiover/pubchem-scraper

Scrape PubChem by name, CID, or formula search. Extract molecular formula, weight, SMILES, InChIKey, IUPAC name, XLogP, and synonyms for drug discovery, cheminformatics, and research. No API key needed.

Logiover

PubChem Scraper — Chemical Compound Data

ponderable_hydrometer/pubchem-scraper

Look up chemical compounds from PubChem by name or CID — formula, weight, SMILES, InChI, IUPAC name, logP, TPSA & synonyms. Free keyless API. For chem, pharma & research.

Ponderable Hydrometer

PubChem Compounds Scraper - Chemical Properties

benthepythondev/pubchem-compounds-scraper

Look up public PubChem compounds by name and export CID, title, molecular formula, molecular weight, connectivity SMILES and source URL.

Ben

USDA FoodData — Nutrition & Ingredients

ponderable_hydrometer/usda-food-scraper

Food & nutrition data from USDA FoodData Central — branded & generic foods, brand, ingredients, serving size & full nutrient profiles. Free API key (BYO).

Ponderable Hydrometer

Food & Nutrition Scraper (Open Food Facts)

ponderable_hydrometer/openfoodfacts-scraper

Get food & nutrition data from Open Food Facts — barcode, keyword or category. Brand, Nutri-Score, NOVA, ingredients, per-100g nutrients. Free, keyless, no proxies.

Ponderable Hydrometer

PubChem Compound Lookup & Normalizer

wakey7dev/pubchem-compound-lookup

Search and retrieve chemical compound data from PubChem (NIH). Returns normalized chemical properties (formula, MW, LogP, SMILES), categorized synonyms, and identifiers (CAS, UNII, InChIKey). No API key required - free open data from the US NIH.

Chris Wakefield

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.

ParseForge

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.