(2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid CAS 372186-81-7
| CAS No. | 372186-81-7 |
| Molecular Formula | C8H10O4 |
| Molecular Weight | 170.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 170.16 g/mol gives (2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid (CAS 372186-81-7), molecular formula C8H10O4 and molecular weight 170.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H10O4, (2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid 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 170.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (2E,4E)-6-Ethoxy-6-oxohexa-2,4-dienoic acid 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 | C8H10O4 |
| Molecular Weight | 170.16 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.) | 2025 |
Recommended Standards
- (1R,2S)-rel-Cyclohex-4-ene-1,2-dicarboxylic acid (CAS 2305-26-2)
- (E)-3-(3,5-Difluorophenyl)prop-2-en-1-ol (CAS 405937-98-6)
- (1R,2R)-Cyclohex-4-ene-1,2-dicarboxylic acid (CAS 50987-15-0)
- (R)-3-Methylcyclopent-1-ene-1,2-dicarboxylic acid (CAS 20512-96-3)
- 2-Amino-6-bromo-4-methylbenzaldehyde (CAS 1936423-72-1)
- n-Isopropyl-4-nitro-1h-pyrrole-2-carboxamide (CAS 930857-47-9)
- Methyl 2,6-dimethyl-4-oxocyclohex-2-enecarboxylate (CAS 67333-67-9)
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- 2-Methoxy-2-(1-naphthyl)propionic Acid (CAS 63628-25-1)
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- Imiloxan Hydrochloride - API Standards (CAS 81167-22-8)
- 2-(4-Amino-5-(difluoromethyl)-3-iodopyridin-2-yl)acetonitrile (CAS 1806814-73-2)
- 4-Chlorobenzyl 2-(2-(2-chloroacetyl)hydrazinyl)-4-(trifluoromethyl)pyrimidine-5-carboxylate (CAS 648859-40-9)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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