![Chemical structure of Spiro[5.5]undecan-2-one, CAS 1781-81-3](https://api.angenesci.com/structure/53/1781-81-3.png)
| CAS Number | 1781-81-3 |
| Catalog Number | AG0025RZ(AGN-PC-0JT7Y4) |
| Chemical Name | Spiro[5.5]undecan-2-one |
| IUPAC Name | spiro[5.5]undecan-4-one |
| InChI | InChI=1S/C11H18O/c12-10-5-4-8-11(9-10)6-2-1-3-7-11/h1-9H2 |
| InChI Key | FEYUTRZPSFLEST-UHFFFAOYSA-N |
| MDL Number | MFCD00090150 |
| Molecular Formula | C11H18O |
| Molecular Weight | 166.2600 |
| SMILES | O=C1CC2(CCCCC2)CCC1 |
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