2-Methyl-3-phenylbenzoic Acid-d5 Methyl Ester CAS 1329835-46-2
| CAS No. | 1329835-46-2 |
| Molecular Formula | - |
| Molecular Weight | 231.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-3-phenylbenzoic Acid-d5 Methyl Ester (CAS 1329835-46-2), molecular formula C15H9D5O2 and molecular weight 231.30 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-Methyl-3-phenylbenzoic Acid-d5 Methyl Ester (C15H9D5O2) is characterized by deuterium isotope labeling, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Methyl-3-phenylbenzoic Acid-d5 Methyl Ester 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 | C15H9D5O2 |
| Molecular Weight | 231.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Methyl Standards
Recommended Standards
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- (6-Chloro-4-methylpyridin-2-yl)methanol (CAS 1227601-23-1)
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- Elagolix Impurity 33 (CAS CATO-C4X-206833)
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