2-(2,5-Dimethoxybenzoyl)benzoic acid CAS 76526-29-9
| CAS No. | 76526-29-9 |
| Molecular Formula | C16H14O5 |
| Molecular Weight | 286.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(2,5-Dimethoxybenzoyl)benzoic acid is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(2,5-Dimethoxybenzoyl)benzoic acid (CAS 76526-29-9), molecular formula C16H14O5 and molecular weight 286.28 g/mol, is a CATO reference standard with documented purity and traceability.
2-(2,5-Dimethoxybenzoyl)benzoic acid (C16H14O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 2-(2,5-Dimethoxybenzoyl)benzoic acid 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 | C16H14O5 |
| Molecular Weight | 286.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
Related Dimethoxybenzoyl Standards
- 2-(3,4-Dimethoxybenzoyl)benzoic acid (CAS 51439-85-1)
- 3-(2,3-dimethoxybenzoyl)-1,3-thiazolidine-2-thione (CAS 144344-71-8)
- 4,4′-Dimethoxybenzoyl (CAS 1226-42-2)
- Methyl 5-(3,4-dimethoxybenzoyl)furan-2-carboxylate (CAS 1399653-89-4)
- cis-2-(3,4-Dimethoxybenzoyl)cyclohexanecarboxylic acid (CAS 210467-65-5)
- 1-(2,4-Dimethoxybenzoyl)pyrrolidine-2-carboxylic acid (CAS 1103891-72-0)
- 4-(2,3-Dimethoxybenzoyl)isoquinoline (CAS 1187170-81-5)
- 4-(2,4-Dimethoxybenzoyl)isoquinoline (CAS 1187171-78-3)
Recommended Standards
- 2-(2-((6-Methoxypyridin-3-yl)carbamoyl)phenyl)acetic acid (CAS 811841-72-2)
- 2-((6-((5-Methyl-2-oxodihydrofuran-3(2H)-ylidene)methyl)benzo[d][1,3]dioxol-5-yl)amino)acetonitrile (CAS 93733-83-6)
- 2-(4-Phenoxybenzyl)malonic acid (CAS 683216-96-8)
- 1,5-Dioxo-4-(prop-2-en-1-yl)-1h,2h,3h,3ah,4h,5h-pyrrolo[1,2-a]quinazoline-3a-carboxylic acid (CAS 872319-68-1)
- 2-(Chloromethyl)-5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazole (CAS 50677-29-7)
- 2-((dimethylamino)methylene)cycloheptan-1-one hydrochloride (CAS 1417368-42-3)
- 4-Bromo-2,5-dimethylpyrimidine (CAS 2169143-52-4)
- Rabeprazole-d3 Sodium Salt (CAS CATO-C4X-112147)
- Phocaecholic Acid (CAS 105369-89-9)
- 19813-55-9 Methyl 3-hydroxy-5-methoxy-2-thiophenecarboxylate methyl 3-hydroxy-5-methoxythiophene-2-carboxylate (CAS 19813-55-9)
- 1,1,1-Trichloro-4-methoxy-3-buten-2-one (CAS 138149-14-1)
- 5-((2-Amino-5-nitrophenyl)thio)-4-chloropyridazin-3(2H)-one (CAS 62688-67-9)
- 1-Isopropylcyclohexa-1,4-diene (CAS 62782-27-8)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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