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CAS 540-18-1

CAS 540-18-1 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 540-18-1
CAS 540-18-1PubChem CID 10890

Amyl butyrate

Pentyl butyrate is the butyrate ester of pentan-1-ol. It has a role as a metabolite. It is functionally related to a pentan-1-ol. — ChEBI

IUPAC name
pentyl butanoate
Molecular formula
C9H18O2
Molecular weight
158.24 g/mol
Exact mass
158.130679813 Da
XLogP3
2.7
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

PENTYL BUTYRATEn-Amyl butyrateButanoic acid, pentyl ester1-Pentyl butyrateAmyl butanoateButyric acid, pentyl estern-Pentyl n-butyraten-Pentyl butyrate
16 more reported names
FEMA No. 20593Q2JP0VD8JNSC-7935CHEBI:87684RefChem:162875208-739-2n-Pentyl butanoateN-Amyl n-butyrateAmyl butyrate (natural)Butanoic acid pentyl esterButyric Acid Amyl EsterNSC 7935EINECS 208-739-2BRN 1752307AI3-06124Pentyl butanoate, 9CI
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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.

Records for CAS 540-18-1

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No records found for this CAS number.

How CAS 540-18-1 is used on this site

CAS 540-18-1 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 540-18-1 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.