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CAS 56-87-1

CAS 56-87-1 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 56-87-1
CAS 56-87-1PubChem CID 5962

L-Lysine

L-lysine is an L-alpha-amino acid; the L-isomer of lysine. It has a role as a micronutrient, an anticonvulsant, a nutraceutical, a mouse metabolite, a Saccharomyces cerevisiae metabolite, a plant metabolite, an Escherichia coli metabolite, a human metabolite and an algal metabolite. It is a L-alpha-amino acid, an aspartate family amino acid, a lysine and a proteinogenic amino acid. It is a conjugate base of a L-lysinium(1+). It is a conjugate acid of a L-lysinate. It is an enantiomer of a D-lysine. It is a tautomer of a L-lysine zwitterion and a L-Lysine zwitterion. — ChEBI

IUPAC name
(2S)-2,6-diaminohexanoic acid
Molecular formula
C6H14N2O2
Molecular weight
146.19 g/mol
Exact mass
146.105527694 Da
XLogP3
-3.0
Topological polar surface area
89.3 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
1

Also known as

lysinelysine acidh-Lys-oh(S)-LysineAminutrinalpha-Lysine(S)-2,6-Diaminohexanoic acidL-lys
16 more reported names
LisinaLysinum(S)-alpha,epsilon-Diaminocaproic acidLYS (IUPAC abbreviation)L-2,6-Diaminocaproic acid(+)-S-LysineCHEBI:180192,6-diaminohexanoate6-ammonio-L-norleucineK3Z4F929H6(2S)-6-amino-2-azaniumylhexanoateCHEBI:25094l lysineL-Lysine HighRefChem:6459L-Lysine 7415
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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 56-87-1

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How CAS 56-87-1 is used on this site

CAS 56-87-1 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 56-87-1 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.