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CAS 305-84-0

CAS 305-84-0 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 305-84-0
CAS 305-84-0PubChem CID 439224

Carnosine

Carnosine is a dipeptide that is the N-(beta-alanyl) derivative of L-histidine. It has a role as a geroprotector, an antioxidant, an antineoplastic agent, an anticonvulsant, a neuroprotective agent, a mouse metabolite, a human metabolite and a Daphnia magna metabolite. It is a conjugate acid of a carnosinate. It is a tautomer of a carnosine zwitterion. ChEBI

IUPAC name
(2S)-2-(3-aminopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid
Molecular formula
C9H14N4O3
Molecular weight
226.23 g/mol
Exact mass
226.10659032 Da
XLogP3
-4.0
Topological polar surface area
121.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
1

Also known as

L-Carnosinebeta-Alanyl-L-histidineIgnotineKarnozinKarnozznL-Histidine, beta-alanyl-(2S)-2-(3-aminopropanamido)-3-(1H-imidazol-4-yl)propanoic acidNalpha-(beta-alanyl)-L-histidine
16 more reported names
L-HISTIDINE, N-beta-ALANYL-8HO6PVN24WCHEBI:15727N-beta-alanyl-L-histidineNSC-524045(2S)-2-(3-aminopropanamido)-3-(1H-imidazol-5-yl)propanoic acidL Carnosinebeta AlanylhistidineHydrochloride, CarnosineRefChem:574695(2S)-2-(3-azaniumylpropanoylamino)-3-(1H-imidazol-5-yl)propanoate(2S)-2-((3-Amino-1-Oxopropyl)Amino)-3-(3H-Imidazol-4-Yl)Propanoic Acid206-169-9(3-aminopropanoyl)-L-histidineN-2-MN-b-alanyl-L-Histidine
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 305-84-0

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No records found for this CAS number.

How CAS 305-84-0 is used on this site

CAS 305-84-0 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 305-84-0 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.