Identity before comparison
We organize research around exact CAS identity and persisted public routes before market information is compared.
About GrapeCat Chem
Clearer evidence for better chemical market decisions.
GrapeCat Chem is a chemical market intelligence platform built to make identity, specification, package basis, regional index context, and evidence boundaries easier to inspect.
What guides us
A research platform should reveal its assumptions.
Our trust has to come from the way chemical and market data is handled—not from promotional scale claims.
Like-for-like market context
Specification, grade, purity, form, package basis, currency, and region stay visible instead of being flattened into one price.
Evidence-aware presentation
Missing or unreviewed facts remain unavailable. A polished interface never upgrades weak evidence into certainty.
Clear analytical boundaries
Indexes support research and procurement analysis; they are not executable quotations, legal advice, or transaction authorization.
Platform capabilities
Built around research, not checkout.
GrapeCat Chem does not sell Chemicals or execute transactions. It helps users discover records, compare defined market contexts, examine methodology, and identify questions that need review.
Chemical Directory
Browse published Chemical records by a curated taxonomy and deterministic market-oriented sorting.
Explore the directoryRegional index comparison
Review normalized US and China regional index context on a defined specification and package basis.
Read the methodologyCAS-based research
Search, compare, and inspect Chemical records without turning names or visual similarity into identity truth.
Search Chemical recordsCompliance context
Read framework-oriented screening status with explicit limitations, timestamps, and source boundaries.
Review the frameworkRequest services
Three reasons to contact GrapeCat Chem.
This channel is focused on missing-product requests, product or merchant complaints, and business cooperation.
Request a missing product
Tell us which Chemical, CAS, product, or market record you need us to consider adding.
Include the product name, CAS if known, region, specification, and information you need.
Open the formProduct / merchant complaint
Report an inaccurate product record or a future merchant-listing concern for review.
Include the affected page, product or merchant name, exact issue, and supporting context.
Open the formBusiness cooperation
Introduce a supplier, data source, research partner, or future merchant cooperation proposal.
Include your organization, cooperation model, relevant website, and contact person.
Open the formUse the request form below for all three scenarios.
Submit a request
Tell us exactly what needs attention.
Choose one of the three supported scenarios. Your submission is stored first and can then be delivered to the configured team mailbox.