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CAS 997-55-7

CAS 997-55-7 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 997-55-7
CAS 997-55-7PubChem CID 65065

N-Acetyl-L-Aspartic Acid

N-acetyl-L-aspartic acid is an N-acyl-L-aspartic acid in which the acyl group is specified as acetyl. It has a role as an antioxidant, a nutraceutical, a mouse metabolite, a human metabolite and a rat metabolite. It is a N-acetyl-L-amino acid and a N-acyl-L-aspartic acid. It is a conjugate acid of a N-acetyl-L-aspartate(2-). — ChEBI

IUPAC name
(2S)-2-acetamidobutanedioic acid
Molecular formula
C6H9NO5
Molecular weight
175.14 g/mol
Exact mass
175.04807239 Da
XLogP3
-1.1
Topological polar surface area
104.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
1

Also known as

Acetyl-L-aspartic acidN-AcetylaspartateAcetylaspartic acidL-Aspartic acid, N-acetyl-L-N-Acetylaspartic acidAcetyl aspartic acidN-acetyl-s-aspartic acid(S)-2-(acetylamino)butanedioic acid
16 more reported names
Aspartic acid, N-acetyl-, L-(S)-2-(acetylamino)succinic acid445Y04YIWRCHEBI:21547NSC-128610n-acetyl aspartateAcetylaspartatic AcidN-Acetylaspartatic AcidRefChem:828879213-643-9Ac-Asp-OHN-Acetylaspartic acid(S)-2-Acetamidosuccinic acidN-Acetyl-L-aspartate(S)-2-AcetamidosuccinateCAS-997-55-7
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 997-55-7

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How CAS 997-55-7 is used on this site

CAS 997-55-7 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 997-55-7 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.