{"uid":"cap_bijrI2KMn9YQHM339glmG","slug":"synthora-pubchem-compound-chemical-properties-5126a8c7","name":"SYNTHORA PubChem Compound Chemical Properties","description":"Returns core cheminformatics properties for a compound by name from PubChem pubchem.ncbi.nlm.nih.gov/rest/pug: CID, MolecularFormula, MolecularWeight, canonical SMILES and IUPACName. Autonomous agents and agent-to-agent (A2A) chemistry, drug-discovery and knowledge-graph pipelines resolve trivial names into structures and identifiers. Ranking surface: chemical name to canonical structure record. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.","url":"https://pubchem-compound-properties.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"compound_name":{"type":"string","description":"compound_name"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"pubchem-compound-properties","result":{"iupac_name":"2-acetyloxybenzoic acid","canonical_smiles":"","molecular_weight":"180.16","molecular_formula":"C9H8O4"},"provenance":{"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/aspirin/property/MolecularFormula,MolecularWeight,CanonicalSMILES,IUPACName/JSON","source":"PubChem Compound Chemical Properties"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Lt5lyiXAhEtGzV7Wkwgot","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a chemical compound name to its PubChem CID, molecular formula, molecular weight, canonical SMILES, and IUPAC name via the PubChem PUG REST API.","exampleAgentPrompt":"Can you look up the molecular formula, molecular weight, canonical SMILES, and IUPAC name for aspirin from PubChem?","exampleUseCases":[{"title":"Drug discovery pipeline structure resolution","prompt":"I'm building a drug discovery pipeline — can you resolve 'ibuprofen' to its canonical SMILES string and molecular formula so I can feed it into my downstream docking workflow?"},{"title":"Knowledge graph chemical entity enrichment","prompt":"I need to enrich my knowledge graph with chemical properties — look up the PubChem CID, molecular weight, and IUPAC name for serotonin."},{"title":"Chemistry homework compound identification","prompt":"What's the IUPAC name and molecular formula for caffeine according to PubChem?"}],"resultDescription":"A JSON object containing the compound's IUPAC name, canonical SMILES string, molecular weight (as a string, e.g. '180.16'), molecular formula (e.g. 'C9H8O4'), sourced from PubChem's PUG REST API, along with a provenance URL pointing to the exact PubChem query used.","failureModes":["Compound name not recognized by PubChem returns an error or empty result","Ambiguous or misspelled compound names may resolve to the wrong compound","Network timeout or PubChem API unavailability causes downstream failure","Non-English or highly obscure trivial names may not resolve","SMILES field may be empty in edge cases as seen in the example response"],"whenToPreferThis":"Choose this endpoint when you need to resolve a human-readable chemical or drug name into standardized cheminformatics identifiers (SMILES, IUPAC name, molecular formula, molecular weight, CID) backed by PubChem's authoritative database. Ideal for autonomous agent pipelines that need to bridge trivial names to canonical structures for drug discovery, knowledge graph construction, or cheminformatics workflows. Prefer this over manual PubChem API calls when operating in a paid-per-call agent environment with x402 micropayment support.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:38:24.700Z","isFirstParty":false}