
Cefaclor Open-Ring Impurity / Cefaclor EP Impurity E
CAS 188915-50-6
DSKNHVUKATXSCQ-GBIKHYSHSA-N
Current configuration
Tapatybė
CAS 188915-50-6 · C14H14ClN3O4S
| Lazychem ID | LC-09665 |
|---|---|
| CAS RN | 188915-50-6 |
| PubChem CID | 166451406 |
| Molecular formula | C14H14ClN3O4S |
| Molecular weight | 355.8 g/mol |
| IUPAC name | 2-[[(2R)-2-Amino-2-phenylacetyl]amino]-2-(5-chloro-4-oxo-3,4-dihydro-2H-1,3-thiazin-2-yl)acetic acid |
| InChIKey | DSKNHVUKATXSCQ-GBIKHYSHSA-N |

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon, has 3 defined stereocentres, contains at least one halogen atom. These statements are calculated from the published structure string.
| Defined stereocentres | 3 |
|---|---|
| Ring count | 2 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| SMILES | C1=CC=C(C=C1)[C@H](C(=O)N[C@@H]([C@@H]2NC(=O)C(=CS2)Cl)C(=O)O)N |
|---|---|
| InChI | Nenurodyta |
The published structure contains 3 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
These records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

CAS 188915-50-6
DSKNHVUKATXSCQ-GBIKHYSHSA-N
Current configuration
No additional structure-linked configuration with the same connectivity is currently present in the LazyChem dataset.
Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.
Exact-compound status is evaluated only against the published name and CAS number. Confirm the current official instrument before a regulatory decision.
Cefaclor
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