5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid CAS 442563-59-9
| CAS No. | 442563-59-9 |
| Molecular Formula | C7H11NO3 |
| Molecular Weight | 157.17 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-formyl-2-methyl-1H-pyrrole-3-carboxylic acid.
5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid (CAS 442563-59-9) is a high-purity analytical reference standard with the molecular formula C7H11NO3 and a molecular weight of 157.17 g/mol.
Based on its molecular formula C7H11NO3, 5-formyl-2-methyl-1H-pyrrole-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 157.17 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).
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-formyl-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 | C7H11NO3 |
| Molecular Weight | 157.17 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related formyl Standards
- methyl 5-formyl-1H-pyrrole-2-carboxylate (CAS 1197-13-3)
- 4-formyl-1-methyl-pyrrole-2-carboxylic acid (CAS 132122-28-2)
- 5-formyl-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 134209-74-8)
- 5-formyl-1-methyl-1H-pyrrole-2-carboxylic acid (CAS 224295-73-2)
- (S)-1-Formyl-5-oxopyrrolidine-2-carboxylic acid (CAS 111798-32-4)
- Methyl 3-formyl-4,5-dihydroisoxazole-5-carboxylate (CAS 155526-79-7)
- 4-Formyl-1,2,3-thiadiazole-5-carboxylic acid (CAS 1934471-23-4)
- 2-Formyl-3-Oxobutanoic Acid Ethyl Ester (CAS 33142-24-4)
Recommended Standards
- 5H-imidazo[1,2-b]pyrazole-2-carboxylic acid (CAS 914637-58-4)
- 5-cyclopropyl-1,3-oxazole-4-carboxylic acid (CAS 917828-31-0)
- 5-Methyl-1-benzofuran-2-carbonitrile (CAS 35351-43-0)
- 5-Cyano-1-methylbenzoimidazole (CAS 53484-13-2)
- 1,4-Bis(4-phenoxyphenoxy)benzene (CAS 2455-43-8)
- 3-Amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-2-en-1-one (CAS 847445-81-2)
- Biotin-PEG4-amide-Alkyne (CAS 1006592-45-5)
- 3-Benzyl-4-ethylpyridine (CAS 919508-19-3)
- N'-(2-Methylbenzoyl)-2-naphthohydrazide (CAS 83803-94-5)
- 5-Methyl-1-(4-nitrophenyl)-N-(p-tolyl)-1H-1,2,4-triazole-3-carboxamide (CAS 321431-15-6)
- 3,5-Octadiyne (CAS 16387-70-5)
- 2-Fluoro-4-hydroxy-N-(propan-2-yl)benzamide (CAS 1538668-95-9)
- Span 80 (CAS 1338-43-8)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com