5-(3,4-Dimethylphenyl)-1-(2-methoxy-5-nitrophenyl)-2-methyl-1H-pyrrole-3-carboxylic acid CAS 881041-27-6
| CAS No. | 881041-27-6 |
| Molecular Formula | C21H20N2O5 |
| Molecular Weight | 380.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 380.39 g/mol gives 5-(3,4-Dimethylphenyl)-1-(2-methoxy-5-nitrophenyl)-2-methyl-1H-pyrrole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(3,4-Dimethylphenyl)-1-(2-methoxy-5-nitrophenyl)-2-methyl-1H-pyrrole-3-carboxylic acid (CAS 881041-27-6) is a high-purity analytical reference standard with the molecular formula C21H20N2O5 and a molecular weight of 380.39 g/mol.
Based on its molecular formula C21H20N2O5, 5-(3,4-Dimethylphenyl)-1-(2-methoxy-5-nitrophenyl)-2-methyl-1H-pyrrole-3-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 380.39 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(3,4-Dimethylphenyl)-1-(2-methoxy-5-nitrophenyl)-2-methyl-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 | C21H20N2O5 |
| Molecular Weight | 380.39 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dimethylphenyl Standards
- N-(3,4-Dimethylphenyl)-1,3-dioxo-2,3-dihydro-1H-benzo[de]isoquinoline-5-sulfonamide (CAS 670266-78-1)
- 2-[(2,4-Dimethylphenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775554-06-7)
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Recommended Standards
- 4-((5-(4-Fluorophenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)methyl)benzoic acid (CAS 685543-56-0)
- 5-(4-Ethyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)-1-(3-(trifluoromethyl)benzyl)pyridin-2(1H)-one (CAS 477853-02-4)
- 4-((4-Fluorophenyl)sulfonyl)-2-(furan-2-yl)-N-(3-methoxypropyl)oxazol-5-amine (CAS 862793-84-8)
- Ethyl 2-benzoyl-3-((ethoxycarbonyl)amino)-1H-indole-1-carboxylate (CAS 882864-43-9)
- Methyl 6-cyclopropyl-3-(4-fluorophenyl)isoxazolo[5,4-b]pyridine-4-carboxylate (CAS 1018144-40-5)
- Ethyl 2-(4,5-dimethylthiazol-2-yl)acetate (CAS 1249272-93-2)
- Cannabidiolic acid (CAS 1244-58-2)
- 2-{1-Azatricyclo[6.3.1.0⁴,¹²]dodeca-2,4,6,8(12)-tetraen-3-yl}acetic acid (CAS 149542-66-5)
- 2-(7-Bromo-2,5-dimethyl-1H-indol-3-yl)acetic acid (CAS 5435-39-2)
- Dimethyl [2,2'-bipyridine]-3,3'-dicarboxylate (CAS 39775-31-0)
- Ethyl 2-amino-6-bromo-3-fluorobenzoate (CAS 1184125-69-6)
- Benzyl 3-(hydroxymethyl)piperazine-1-carboxylate hydrochloride (CAS 1159825-20-3)
- 3-(4-Butoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 956507-18-9)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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