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CAS 94-25-7

CAS 94-25-7 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 94-25-7
CAS 94-25-7PubChem CID 2482

Butyl 4-aminobenzoate

Butamben is an amino acid ester resulting from the formal condensation of the carboxy group of 4-aminobenzoic acid with the hydroxy group of butan-1-ol. Its local anaesthetic properties have been used for surface anaesthesia of the skin and mucous membranes, and for relief of pain and itching associated with some anorectal disorders. It has a role as a local anaesthetic. It is a benzoate ester, an amino-acid ester, a substituted aniline and a primary amino compound. It is functionally related to a butan-1-ol and a 4-aminobenzoic acid. It is a conjugate base of a butamben(1+). — ChEBI

IUPAC name
butyl 4-aminobenzoate
Molecular formula
C11H15NO2
Molecular weight
193.24 g/mol
Exact mass
193.110278721 Da
XLogP3
2.9
Topological polar surface area
52.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

butambenButesineButoformButyl aminobenzoateButylcainePlanoformScuroformScuroforme
16 more reported names
4-(Butoxycarbonyl)anilineButyl keloformBenzoic acid, 4-amino-, butyl esterN-Butyl p-aminobenzoatep-Aminobenzoic acid butyl ester4-Aminobenzoic acid butyl esterButyl PABANSC-128464ABBOTT-34842 FREE BASECHEBI:3231butanylcaineRefChem:570557202-317-1ButesinBUTYL P-AMINOBENZOATE4-Aminobenzoic Acid n-Butyl Ester
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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How CAS 94-25-7 is used on this site

CAS 94-25-7 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 94-25-7 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.