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(αR,2S,5R)-α-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-1,2,5,7-tetrahydro-5-methyl-7-oxo-4H-furo[3,4-d][1,3]thiazine-2-acetic acid

Chemical FDA Substance Registry (openFDA)
Chemical Identification
CAS Number178422-45-2
INCI Name(2R)-2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-2-[(2S,5R)-5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]acetic acid
PubChem CID 76971107
Molecular FormulaC14H15N5O6S2
InChIKeyInChI=1S/C14H15N5O6S2/c1-4-
SMILESC[C@@H]1C2=C(C(=O)O1)N[C@@H](SC2)[C@@H](C(=O)O)NC(=O)/C(=N\O)/C3=CSC(=N3)N
Known Aliases (5)
Common Name
Cefdinir Impurity 4
Scientific Name
2(R)-2-[(Z)-2-(Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic acid 4H-Furo[3,4-d][1,3]thiazine-2-acetic acid, α-[[(2-amino-4-thiazolyl)(hydroxyimino)acetyl]amino]-1,2,5,7-tetrahydro-5-methyl-7-oxo-, [2S-[2α[S*(Z)],5β]]- 4H-Furo[3,4-d][1,3]thiazine-2-acetic acid, α-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-1,2,5,7-tetrahydro-5-methyl-7-oxo-, (αR,2S,5R)- 4H-Furo[3,4-d][1,3]thiazine-2-acetic acid, α-[[(2Z)-(2-amino-4-thiazolyl)(hydroxyimino)acetyl]amino]-1,2,5,7-tetrahydro-5-methyl-7-oxo-, (αR,2S,5R)-
Data Sources (1)
Source Source ID Name in Source Properties
FDA Substance Registry (openFDA) P69TXJ2ZHV (αR,2S,5R)-α-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-1,2,5,7-tetrahydro-5-methyl-7-oxo-4H-furo[3,4-d][1,3]thiazine-2-acetic acid CAS: 178422-45-2
PUBCHEM: 76971107
FDA UNII: P69TXJ2ZHV
EPA CompTox: DTXSID40747023
Record Info
ID9YvJTmqwEvDL4Q4uPcBrvV
CreatedApril 10, 2026, 11:33 p.m.
ModifiedApril 10, 2026, 11:33 p.m.
EnrichedApril 11, 2026, 12:09 a.m.
Data SourceFDA Substance Registry (openFDA)