5-(4-Methylpent-3-en-1-yl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione CAS 29811-04-9
| CAS No. | 29811-04-9 |
| Molecular Formula | C14H18O3 |
| Molecular Weight | 234.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(4-Methylpent-3-en-1-yl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 29811-04-9), molecular formula C14H18O3 and molecular weight 234.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H18O3, 5-(4-Methylpent-3-en-1-yl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 5-(4-Methylpent-3-en-1-yl)-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H18O3 |
| Molecular Weight | 234.29 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
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- 3-(2-Methylpent-2-enoyl)-1,3-thiazolidine-4-carboxylic acid (CAS 1105507-65-0)
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Recommended Standards
- 5-(4-Ethylphenyl)-3-methyl-5-oxopentanoic acid (CAS 951893-37-1)
- 5-(5,6,7,8-Tetrahydro-1,8-naphthyridin-2-yl)pentanoic acid (CAS 478055-40-2)
- 5-(4-(Dimethylamino)phenyl)-4,4-dimethyl-4,5-dihydroisoxazol-5-ol (CAS 61184-65-4)
- 5-Amino-2-(3-methylpiperidin-1-yl)benzoic acid (CAS 78243-67-1)
- 2,6-Diaminohexanoic acid hydrate (CAS 885701-25-7)
- 2-Amino-N-(furan-2-ylmethyl)-N-isopropylacetamide (CAS 1181447-45-9)
- 5-Bromo-N,N-dimethyl-2-phenylpyrimidin-4-amine (CAS 823796-18-5)
- 2-Propenoic acid, 2-hydroxyethyl ester, polymer with 1,3-diisocyanatomethylbenzene and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (CAS 52642-68-9)
- Clemastine Impurity 10 Fumarate (CAS CATO-C4X-183710)
- N-Methyl-2-(pyridin-3-yl)acetamide (CAS 106271-65-2)
- Methyl (R)-2-(adamantan-1-yl)-2-aminoacetate (CAS 102572-74-7)
- Rizatriptan Impurity 14 (CAS 4454-01-7)
- 2-(2-Chloro-6-(difluoromethyl)-4-methoxypyridin-3-yl)acetic acid (CAS 1806898-50-9)
- Hexapeptide-9 (CAS 1228371-11-6)
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