1-Propene-1,3-tricarboxylic acid, trimethyl ester 20820-77-3 NSC-67343 NSC67343 Trimethyl aconitate CAS 20820-77-3
| CAS No. | 20820-77-3 |
| Molecular Formula | C9H12O6 |
| Molecular Weight | 216.19 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.
1-Propene-1,3-tricarboxylic acid, trimethyl ester 20820-77-3 NSC-67343 NSC67343 Trimethyl aconitate (CAS 20820-77-3) is a high-purity analytical reference standard with the molecular formula C9H12O6 and a molecular weight of 216.19 g/mol.
The molecular framework of 1-Propene-1,3-tricarboxylic acid, trimethyl ester 20820-77-3 NSC-67343 NSC67343 Trimethyl aconitate (C9H12O6) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-Propene-1,3-tricarboxylic acid, trimethyl ester 20820-77-3 NSC-67343 NSC67343 Trimethyl aconitate 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 | C9H12O6 |
| Molecular Weight | 216.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1962 |
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