(αS)-α-Amino-α-[(1S,2S)-2-carboxycyclopropyl]-9H-xanthene-9-propanoic acid

Chemical FDA Substance Registry (openFDA)

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Chemical Identification

CAS Number	`201943-63-7`
INCI Name	(1S)-2-[(1S)-1-amino-1-carboxy-2-(9H-xanthen-9-yl)ethyl]cyclopropane-1-carboxylic acid
PubChem CID	69351741
Molecular Formula	`C20H19NO5`
InChIKey	`InChI=1S/C20H19NO5/c21-20(1`
SMILES	`C1[C@@H](C1[C@@](CC2C3=CC=CC=C3OC4=CC=CC=C24)(C(=O)O)N)C(=O)O`

Known Aliases (4)

Common Name

LY-341495 LY341495

Scientific Name

9H-Xanthene-9-propanoic acid, α-amino-α-[(1S,2S)-2-carboxycyclopropyl]-, (αS)- 9H-Xanthene-9-propanoic acid, α-amino-α-(2-carboxycyclopropyl)-, [1S-[1α(R*),2β]]-

Data Sources (1)

Source	Source ID	Name in Source	Properties
FDA Substance Registry (openFDA)	`AQ73SP6QSF`	(αS)-α-Amino-α-[(1S,2S)-2-carboxycyclopropyl]-9H-xanthene-9-propanoic acid	CAS: 201943-63-7 PUBCHEM: 69351741 FDA UNII: AQ73SP6QSF WIKIPEDIA: LY-341495 EPA CompTox: DTXSID50942264

Record Info

ID	`TxgdvdHEeXgbMhwbVU3shf`
Created	April 10, 2026, 9:51 p.m.
Modified	April 10, 2026, 11:41 p.m.
Enriched	April 11, 2026, 12:09 a.m.
Data Source	FDA Substance Registry (openFDA)