2,3-Bis(3,4-dihydroxybenzylidene)succinic acid CAS 132367-95-4
| CAS No. | 132367-95-4 |
| Molecular Formula | C18H14O8 |
| Molecular Weight | 358.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 358.30 g/mol gives 2,3-Bis(3,4-dihydroxybenzylidene)succinic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3-Bis(3,4-dihydroxybenzylidene)succinic acid (CAS 132367-95-4), molecular formula C18H14O8 and molecular weight 358.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3-Bis(3,4-dihydroxybenzylidene)succinic acid (C18H14O8) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 358.30 g/mol, it falls into the moderately-high-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.
CATO manufactures 2,3-Bis(3,4-dihydroxybenzylidene)succinic 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 | C18H14O8 |
| Molecular Weight | 358.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
Related Bis Standards
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497922-01-7)
- 4-((2,4-Dihydroxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497920-24-8)
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- 4-((3,4-Dihydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-29-0)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(pyridin-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613248-43-4)
- (5E)-5-(3,4-Dihydroxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 897340-70-4)
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