7,9,9-Trimethyl-1,4-dioxaspiro[4.5]dec-6-en-8-one CAS 14203-64-6
| CAS No. | 14203-64-6 |
| Molecular Formula | C11H16O3 |
| Molecular Weight | 196.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7,9,9-Trimethyl-1,4-dioxaspiro[4.5]dec-6-en-8-one (CAS 14203-64-6) is a high-purity analytical reference standard with the molecular formula C11H16O3 and a molecular weight of 196.24 g/mol.
Structurally, 7,9,9-Trimethyl-1,4-dioxaspiro[4.5]dec-6-en-8-one (C11H16O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 196.24 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7,9,9-Trimethyl-1,4-dioxaspiro[4.5]dec-6-en-8-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H16O3 |
| Molecular Weight | 196.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Trimethyl Standards
- Methyl 3,5,5-trimethyl-2-oxocyclohex-3-enecarboxylate (CAS 1936187-59-5)
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- Methyl 2,4,4-trimethyl-6-oxocyclohex-1-ene-1-carboxylate (CAS 75100-65-1)
- 2-methyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)propanoic acid (CAS 1007464-61-0)
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Recommended Standards
- 2-((5-Methylfuran-2-yl)methoxy)tetrahydro-2H-pyran (CAS 138590-84-8)
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- 2-(3-Ethoxy-4-methoxyphenyl)ethan-1-ol (CAS 1378824-59-9)
- 8,11-dioxadispiro[3.2.4⁷.2⁴]tridecan-2-one (CAS 1440962-12-8)
- 3-(Hex-1-yn-1-yl)-3-hydroxy-2-phenylisoindolin-1-one (CAS 143647-60-3)
- 5-(3-Chlorophenyl)-1,2-oxazol-3-amine (CAS 1480388-66-6)
- 1-(azetidin-3-ylmethyl)-4-methylpiperazine trihydrochloride (CAS 1803610-06-1)
- 3-(2-Chloro-3,4,5-trimethoxyphenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1018125-33-1)
- N1,N2-Dibutyloxalamide (CAS 14040-75-6)
- 1-[3-(1h-1,2,3,4-tetrazol-1-yl)phenyl]ethan-1-amine (CAS 893751-77-4)
- 3-(3-chloro-4-fluorophenyl)-4-oxo-2-sulfanyl-3,4-dihydroquinazoline-7-carboxylic acid (CAS 790271-23-7)
- 1,4-Di(methyl-d (CAS 13720-08-6)
- 2-Methyl-3-oxo-1,2,3,4-tetrahydroisoquinoline-7-carbonitrile (CAS 1936259-77-6)
- Semaglutide impurity 251 (CAS CATO-C4X-2226251)
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