5-(2-Carboxyphenoxy)isophthalic acid CAS 1361345-85-8
| CAS No. | 1361345-85-8 |
| Molecular Formula | C15H10O7 |
| Molecular Weight | 302.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(2-Carboxyphenoxy)isophthalic acid.
5-(2-Carboxyphenoxy)isophthalic acid (CAS 1361345-85-8) is a high-purity analytical reference standard with the molecular formula C15H10O7 and a molecular weight of 302.24 g/mol.
Based on its molecular formula C15H10O7, 5-(2-Carboxyphenoxy)isophthalic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 302.24 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).
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 5-(2-Carboxyphenoxy)isophthalic 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 | C15H10O7 |
| Molecular Weight | 302.24 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Carboxyphenoxy Standards
- 3-(3-Carboxyphenoxy)phthalic acid (CAS 1826827-36-4)
- 3-(4-Carboxyphenoxy)phthalic acid (CAS 198330-12-0)
- 4-(4-Carboxyphenoxy)phthalic acid (CAS 7717-74-0)
- 5-(4-Carboxyphenoxy)isophthalic acid (CAS 60893-67-6)
- 5-((4-Carboxyphenoxy)methyl)isophthalic acid (CAS 2115107-14-5)
- 5-(4-Carboxyphenoxy)nicotinic acid (CAS 1777822-70-4)
- 2-(4-Carboxyphenoxy)benzoic Acid (CAS 37407-16-2)
- 1,6-Bis(4-carboxyphenoxy)hexane (CAS 74774-53-1)
Recommended Standards
- 1-(3,5-Difluorophenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1338662-17-1)
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- 1-(3,5-difluorophenyl)-5-pyridin-4-yl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326937-37-4)
- 2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxoisoindoline-4-carboxylic acid (CAS 1547163-38-1)
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- (S)-(2-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)methanol (CAS 1807792-29-5)
- methyl 2-[(2-cyanoacetyl)amino]benzoate (CAS 154325-57-2)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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