4-Acetyl-1,5-dimethyl-1H-pyrrole-2-carbaldehyde CAS 137854-34-3
| CAS No. | 137854-34-3 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 165.19 g/mol gives 4-Acetyl-1,5-dimethyl-1H-pyrrole-2-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Acetyl-1,5-dimethyl-1H-pyrrole-2-carbaldehyde (CAS 137854-34-3), molecular formula C9H11NO2 and molecular weight 165.19 g/mol, is a CATO reference standard with documented purity and traceability.
4-Acetyl-1,5-dimethyl-1H-pyrrole-2-carbaldehyde (C9H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 4-Acetyl-1,5-dimethyl-1H-pyrrole-2-carbaldehyde 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 | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
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- 3-Acetyl-4,6-dimethyl-1,2-dihydropyridin-2-one (CAS 16151-14-7)
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Recommended Standards
- 1-Cyanospiro[2.4]heptane-1-carboxylic acid (CAS 1374509-59-7)
- 3-amino-5-(aminomethyl)benzamide (CAS 1379361-63-3)
- 3-(Hydroxymethyl)-N-methylbenzamide (CAS 1373162-20-9)
- 1-methyl-1H,4H,5H,6H,7H,8H-pyrazolo[4,3-c]azepin-4-one (CAS 1381532-73-5)
- 2-(Bromomethyl)-4,5-diamino-3-(difluoromethyl)pyridine (CAS 1803670-32-7)
- Methyl (R)-3-amino-3-(2-bromophenyl)propanoate (CAS 1213854-52-4)
- 2-(2-Chlorophenyl)pyrimidine-4-carboxylic acid (CAS 1092300-26-9)
- 5-Chloro-6-cyanopyridine-2-carboxylic Acid (CAS 1256791-34-0)
- 2-[(4-Ethylbenzoyl)amino]-3-methylbutanoic acid (CAS 1396964-80-9)
- (2S,4R)-1-[(tert-butoxy)carbonyl]-4- 1252640-76-8 PB36398 methanesulfonylpyrrolidine-2-carboxylic acid (CAS 1252640-76-8)
- 4-Bromo-2-ethylthiophene (CAS 83663-40-5)
- Talotrexin (CAS 113857-87-7)
- 1-(azetidin-3-yl)-1H-pyrrole hydrochloride (CAS 1167055-98-2)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
Why CATO?
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