{"uid":"cap_qTKHxeVYwEeyWGWdzjcY9","slug":"pubchem-compound-chemical-properties-lookup-8cdb979c","name":"PubChem Compound Chemical Properties Lookup","description":"Chemical properties for a compound by name from the NIH PubChem service, no key. Returns molecular formula, molecular weight, and IUPAC name. For AI agents in chemistry, drug discovery, and materials research.","url":"https://proxy.suverse.io/v1/data/suverse-pubchem-compound","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.07","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.07","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SmoRHaZCbQkSfW_8G8WAL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.07","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns molecular formula, molecular weight, and IUPAC name for a chemical compound by name via NIH PubChem","exampleAgentPrompt":"Look up the chemical properties of caffeine — I need its molecular formula, molecular weight, and IUPAC name from PubChem.","exampleUseCases":[{"title":"Drug discovery compound identification","prompt":"What is the molecular formula, molecular weight, and IUPAC name for ibuprofen? I'm building a database of common NSAIDs."},{"title":"Chemistry homework compound lookup","prompt":"Can you look up the chemical properties of ethanol for me — specifically its molecular formula, molecular weight, and official IUPAC name?"},{"title":"Materials research property retrieval","prompt":"I need the PubChem data for titanium dioxide — give me its molecular formula, molecular weight, and IUPAC name."}],"resultDescription":"Returns a JSON object containing the molecular formula (e.g. C8H10N4O2), molecular weight (e.g. 194.19 g/mol), and IUPAC name (e.g. 1,3,7-trimethylpurine-2,6-dione) for the queried compound as sourced from NIH PubChem.","failureModes":["Compound name not recognized by PubChem — returns empty or error response","Ambiguous compound name matching multiple PubChem entries — may return first match or fail","NIH PubChem upstream service unavailable — proxy returns 5xx error","Malformed request body — returns 400 bad request","Payment not received — returns 402 payment required"],"whenToPreferThis":"Use this endpoint when you need quick, no-API-key access to basic chemical properties (molecular formula, molecular weight, IUPAC name) from the authoritative NIH PubChem database, especially in agentic pipelines where obtaining a PubChem API key is impractical. Prefer this over direct PubChem API calls when operating in a pay-per-use x402 payment context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:49:36.231Z","isFirstParty":false}