Chemical material properties from PubChem
Chemical material properties from PubChem - formula, molecular weight, InChIKey, XLogP and polar surface area
Answeringour last check, 2026-10-18
1 of 1checks answered this week
869 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/materials/compound
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.01 | 869 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"name": "silicon dioxide"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"name": {
"description": "required chemical or compound name; 2-100 plain-text characters (query)",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"caveat": {
"description": "Caveat to keep in mind when using this result",
"type": "string"
},
"cid": {
"type": "number"
},
"complexity": {
"type": [
"number",
"null"
]
},
"connectivity_smiles": {
"description": "Connectivity smiles",
"type": [
"string",
"null"
]
},
"found": {
"description": "True when the lookup matched a record",
"type": "boolean"
},
"heavy_atoms": {
"description": "Heavy atoms",
"type": [
"number",
"null"
]
},
"hydrogen_bond_acceptors": {
"description": "Hydrogen bond acceptors",
"type": [
"number",
"null"
]
},
"hydrogen_bond_donors": {
"description": "Hydrogen bond donors",
"type": [
"number",
"null"
]
},
"inchikey": {
"description": "InChIKey structure hash",
"type": [
"string",
"null"
]
},
"isomeric_smiles": {
"description": "Isomeric smiles",
"type": [
"string",
"null"
]
},
"molecular_formula": {
"description": "Molecular formula",
"type": [
"string",
"null"
]
},
"molecular_weight_g_mol": {
"description": "Molecular weight g mol",
"type": [
"number",
"null"
]
},
"query": {
"description": "The query as the server interpreted it",
"type": "string"
},
"record": {
"type": "string"
},
"rotatable_bonds": {
"description": "Rotatable bonds",
"type": [
"number",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"title": {
"description": "Title",
"type": [
"string",
"null"
]
},
"topological_polar_surface_area_a2": {
"description": "Topological polar surface area a2",
"type": [
"number",
"null"
]
},
"xlogp": {
"type": [
"number",
"null"
]
}
},
"required": [
"found",
"query",
"cid",
"record",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}