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CAS 556-50-3

CAS 556-50-3 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 556-50-3
CAS 556-50-3PubChem CID 11163

Glycylglycine

Glycylglycine is a dipeptide formed from glycine residues. It has a role as a human metabolite. It is functionally related to a glycine. It is a tautomer of a glycylglycine zwitterion. — ChEBI

IUPAC name
2-[(2-aminoacetyl)amino]acetic acid
Molecular formula
C4H8N2O3
Molecular weight
132.12 g/mol
Exact mass
132.05349212 Da
XLogP3
-2.9
Topological polar surface area
92.4 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

DiglycineN-GLYCYLGLYCINEGlycine dipeptideGlycine, glycyl-Glycyl-glycineGly22-(Aminoacetamido)acetic acidGlycyl Glycine
16 more reported names
NSC-49346CHEBI:172012-((2-aminoacetyl)amino)acetic acidN GlycylglycineRefChem:663940Hydrochloride, GlycylglycineMonohydrochloride, Glycylglycine2-((2-azaniumylacetyl)amino)acetate2-(glycylamino)acetic acid;hydrochloride209-127-8Gly-Gly2-(2-Aminoacetamido)Acetic AcidH-Gly-Gly-OHGlycylglyineGlycine, N-glycyl-Gly-Gly-OH
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 556-50-3

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No records found for this CAS number.

How CAS 556-50-3 is used on this site

CAS 556-50-3 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 556-50-3 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.