(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetic acid

Chemical FDA Substance Registry (openFDA)

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Chemical Identification

CAS Number	`120570-48-1`
INCI Name	(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetic acid
PubChem CID	6399474
Molecular Formula	`C5H5N3O3S`
InChIKey	`InChI=1S/C5H5N3O3S/c6-5-7-2`
SMILES	`C1=C(N=C(S1)N)/C(=N/O)/C(=O)O`

Known Aliases (5)

Scientific Name

2-Amino-α-(hydroxyimino)-4-thiazoleacetic acid 4-Thiazoleacetic acid, 2-amino-α-(hydroxyimino)- 4-Thiazoleacetic acid, 2-amino-α-(hydroxyimino)-, (αZ)- (Z)-2-Amino-α-(hydroxyimino)-4-thiazoleacetic acid (αZ)-2-Amino-α-(hydroxyimino)-4-thiazoleacetic acid

Data Sources (1)

Source	Source ID	Name in Source	Properties
FDA Substance Registry (openFDA)	`3Z6K354KXL`	(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetic acid	CAS: 66338-96-3 PUBCHEM: 6399474 FDA UNII: 3Z6K354KXL

Record Info

ID	`U7g8tpFT37bAexLF34ryQg`
Created	April 10, 2026, 11:31 p.m.
Modified	April 10, 2026, 11:31 p.m.
Enriched	April 11, 2026, 12:09 a.m.
Data Source	FDA Substance Registry (openFDA)