Molecular formula is a stored field on this chemical record. The formula hub aggregates other catalog rows that share this formula string—an indexed browse path, not a second canonical record for this entry.
Record status
Verified record
Verified status: formula and core identifiers on this record have passed the catalog's verification gate for this row.
Added Mar 30, 2026 · Updated Mar 30, 2026
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Labels below are naming entries stored on this chemical record—they are not separate competing master records. Searchable variants may also have synonym landing URLs; name hub pages group catalog text matches for indexed name strings.
Sodium Ethyl Parahydroxybenzoate EP Impurity A; Aspirin Impurity A; Acetylsalicylic Acid EP Impurity A; Propyl Parahydroxybenzoate EP Impurity A
Properties
Molecular formula
C7H6O3
Safety
No safety data available
Structured safety data is not available for this record yet.
Record scope
About this record
This URL is the chemical record page for 4-hydroxybenzoic acid (CAS 105-56-6). The molecular formula field reads C7H6O3. 140 naming or synonym entries are indexed on this row.
Canonical identifiers on the record: English name · CAS (when present) · molecular formula (when present). Synonym landing and name hub URLs are browse helpers; they point at or group catalog data, not separate chemical records.
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The stored formula C7H6O3 carries verified status for this catalog row. It describes this record's indexed composition string, not every possible isomer or salt form unless separately modeled.
Indexed browse
Formula hub (grouped results)
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