1-(4-Hydroxyphenyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid CAS 876294-76-7
| CAS No. | 876294-76-7 |
| Molecular Formula | C13H13NO3 |
| Molecular Weight | 231.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(4-Hydroxyphenyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid (CAS 876294-76-7) is a high-purity analytical reference standard with the molecular formula C13H13NO3 and a molecular weight of 231.25 g/mol.
Based on its molecular formula C13H13NO3, 1-(4-Hydroxyphenyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 1-(4-Hydroxyphenyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic 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 | C13H13NO3 |
| Molecular Weight | 231.25 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Hydroxyphenyl Standards
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- 1378754-70-1 3-(3-Hydroxyphenyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2,4-dione MFCD20611937 (CAS 1378754-70-1)
- 3-(4-Hydroxyphenyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2,4-dione (CAS 1415719-52-6)
- 1-(3-Hydroxyphenyl)ethyl 1H-pyrrole-2-carboxylate (CAS 65171-92-8)
- 2-(4-Hydroxyphenyl)-2-(4-methylpiperazin-1-yl)acetonitrile (CAS 877825-73-5)
- 3-[(2-Hydroxyphenyl)amino]-5,5-dimethylcyclohex-2-en-1-one (CAS 51924-59-5)
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Recommended Standards
- 1-(4-Cyanopyridin-2-yl)piperidine-4-carboxylic acid (CAS 939986-83-1)
- 1-(4-Oxo-1-phenyl-1,4,5,6-tetrahydropyrimidin-2-yl)guanidine (CAS 64432-57-1)
- 1-(4-Propoxyphenyl)-2,5-dihydro-1h-pyrrole-2,5-dione (CAS 89143-07-7)
- 1-(3-Cyano-2-pyridinyl)-4-piperidinecarboxylic acid (CAS 939986-70-6)
- Stemonidine (CAS 66267-46-7)
- Allyl(4-methoxyphenyl)dimethylsilane (CAS 68469-60-3)
- 4-(5-(2-Chloro-7-methylquinolin-3-yl)isoxazol-3-yl)benzene-1,3-diol (CAS 650637-58-4)
- (E)-1-(3-Bromoprop-1-en-1-yl)-2-chlorobenzene (CAS 58187-85-2)
- Meloxicam impurity 13 (CAS CATO-C4X-169013)
- 2-((4-Methoxybenzyl)sulfonyl)-4,6-dimethyl-3-tosylpyridine (CAS 478245-41-9)
- 4'-(Benzyloxy)-4-fluoro-3-methylbiphenyl (CAS 1352318-66-1)
- (2E)-3-(3-Fluorophenyl)-1-(4-fluorophenyl)prop-2-en-1-one (CAS 1449399-98-7)
- Ethyl 4-cyano-5-methoxy-2-nitrobenzoate (CAS 1807034-22-5)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
Why CATO?
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