5-(4-Ethylphenyl)-1-vinyl-1H-pyrrole-2-carboxylic acid CAS 131172-67-3
| CAS No. | 131172-67-3 |
| Molecular Formula | C15H15NO2 |
| Molecular Weight | 241.29 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.
5-(4-Ethylphenyl)-1-vinyl-1H-pyrrole-2-carboxylic acid (CAS 131172-67-3), molecular formula C15H15NO2 and molecular weight 241.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 5-(4-Ethylphenyl)-1-vinyl-1H-pyrrole-2-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-(4-Ethylphenyl)-1-vinyl-1H-pyrrole-2-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 | C15H15NO2 |
| Molecular Weight | 241.29 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
Related Ethylphenyl Standards
- 1-(2-(4-Ethylphenyl)-2-oxoethyl)pyridin-2(1h)-one (CAS 925401-49-6)
- Ethyl[(4-ethylphenyl)(pyridin-3-yl)methyl]amine (CAS 1153290-71-1)
- 5-Butyl-2-(4-ethylphenyl)pyrimidine (CAS 64835-59-2)
- 4-((4-Ethylphenyl)ethynyl)-1,2-difluorobenzene (CAS 145698-42-6)
- 2-[(4-Ethylphenyl)amino]nicotinic acid (CAS 55285-32-0)
- n-(2-Ethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 923755-92-4)
- n-(3-Ethylphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 923674-78-6)
- Methyl 3-(4-ethylphenyl)benzoate (CAS 1049118-09-3)
Recommended Standards
- 1311254-72-4 6-Benzyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4(4aH)-one DTXSID10735932 (CAS 1311254-72-4)
- 4-Ethyl-5-phenyl-1-vinyl-1H-pyrrole-2-carboxylic acid (CAS 131172-70-8)
- 2-(4-Methoxyphenyl)-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-amine (CAS 1311186-67-0)
- 4-(6-Aminopyridin-3-yl)-N,N-dimethylbenzamide (CAS 1314987-53-5)
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- 1-Benzyl-3-methylimidazolium hexafluorophosphate (CAS 433337-11-2)
- 2-Amino-6-(5-methylfuran-2-yl)-5-nitropyrimidin-4-yl 4-methylbenzenesulfonate (CAS 1202402-42-3)
- Azido-PEG5-alcohol (CAS 86770-68-5)
- 3-Methoxy-4-[2-(4-methyl-1-piperazinyl)ethoxy]benzaldehyde (CAS 646071-39-8)
- Acetic acid, 2-hydroxy-, potassium salt (1:1) (CAS 1932-50-9)
- N-[6-(4-Chlorophenyl)-4-methyl-2-oxo-2H-pyran-3-yl]benzamide (CAS 478067-02-6)
- Benzyl 2-(((trifluoromethyl)sulfonyl)oxy)acetate (CAS 77902-89-7)
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Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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