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chem.openverbs.com

3 resources listed under chem.openverbs.com.

Source: https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources · last updated 2026-09-18

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Resources

Search the periodic table by name or symbol substring

Search the periodic table by name or symbol substring. Exact matches rank first, then prefix matches, then substring matches. Returns up to `limit` elements (default 20) plus the total match count.

x402
4000 / request

Compute the molar mass (g/mol) of a chemical formula

Compute the molar mass (g/mol) of a chemical formula. Supports nested parentheses and brackets, element multipliers, and hydrate dot notation with coefficients (e.g. "Ca(OH)2", "CuSO4·5H2O", "K4[Fe(CN)6]"). Returns the total mass and the per-element composition with mass fraction percentages.

x402
4000 / request

Look up a periodic-table element by exactly one of `symbol` (e

Look up a periodic-table element by exactly one of `symbol` (e.g. "Fe"), `name` (e.g. "iron") or atomic `number` (1..118). Returns its number, symbol, name, standard atomic weight and whether that weight is a true standard atomic weight.

x402
4000 / request

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