Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
CAS 0 records

CAS 623-42-7

CAS 623-42-7 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Check this CAS numberBrowse annexes

Chemical identity and properties

PubChem 2D chemical structure for CAS 623-42-7
CAS 623-42-7PubChem CID 12180

Methyl butyrate

Methyl butyrate is a fatty acid ester. — ChEBI

IUPAC name
methyl butanoate
Molecular formula
C5H10O2
Molecular weight
102.13 g/mol
Exact mass
102.068079557 Da
XLogP3
1.3
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Butanoic acid, methyl esterMETHYL N-BUTYRATEMethyl n-butanoateMethyl-n-butyrateFEMA No. 2693NSC-9380RefChem:6020210-792-1
16 more reported names
Butyric acid, methyl esterButyric acid methyl estern-Butyric acid methyl esterNSC 9380Methyl ester of butanoic acidWE(1:0/4:0)BUTYRIC ACID METHYLESTERMethyl butyrate (natural)HSDB 5721EINECS 210-792-1UN1237Butanoic acid methyl esterBRN 1740743UNII-CGX598508OAI3-06009Methyl butyrate, 99%
Open full PubChem recordPubChem annotations3D structure image
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 623-42-7

0 total
No records found for this CAS number.

How CAS 623-42-7 is used on this site

CAS 623-42-7 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 623-42-7 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.