Ethyl 4-acetyl-3-ethyl-5-methyl-1H-pyrrole-2-carboxylate CAS 37013-86-8
| CAS No. | 37013-86-8 |
| Molecular Formula | C12H17NO3 |
| Molecular Weight | 223.27 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.
CATO supplies Ethyl 4-acetyl-3-ethyl-5-methyl-1H-pyrrole-2-carboxylate (CAS 37013-86-8), a certified reference material (molecular formula C12H17NO3, MW 223.27 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H17NO3, Ethyl 4-acetyl-3-ethyl-5-methyl-1H-pyrrole-2-carboxylate 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 223.27 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H17NO3 |
| Molecular Weight | 223.27 g/mol |
| Appearance | Off-white to pale 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ethyl 3-Methoxyphenethylcarbamate (CAS 33543-63-4)
- Ethyl 4-methoxy-2-(pyridin-3-yl)butanoate (CAS 2140317-13-9)
- Ethyl 3-amino-3-(3-methoxyphenyl)propanoate (CAS 21464-54-0)
- Ethyl 5-amino-1-cyclopentyl-1h-pyrazole-4-carboxylate (CAS 21253-97-4)
- (R)-2-Butyramido-3-methylbutanoic acid (CAS 143896-77-9)
- Y5DC3IN066 29915-38-6 3-(Tris(hydroxymethyl)methylamino)-1-propanesulfonic acid 1-Propanesulfonic acid, 3-((2-hydroxy-1,1-bis(hydroxymethyl)ethyl)amino)- 3-(Tris(hydroxymethyl)methylamino)propane-1-sulphonic acid EINECS 249-954-1 3-((2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino)-1-propanesulfonic acid NSC 610928 UNII-Y5DC3IN066 (CAS 29915-38-6)
- 2-((1H-benzo[d]imidazol-2-yl)thio)ethan-1-ol (CAS 7673-83-8)
- methyl 3-amino-2-chloro-6-methylpyridine-4-carboxylate (CAS 1369085-33-5)
- 3-hydrazinyl-4-methyl-4H-1,2,4-triazole hydroiodide (CAS 1989671-43-3)
- Epinastine Impurity 28 (CAS 532-55-8)
- n-(4-(((2-Hydroxyethyl)amino)methyl)phenyl)acetamide (CAS 857570-03-7)
- 1-(Ethylsulfonyl)-1,2,5,6-tetrahydropyridine-3-carboxylic acid (CAS 1373247-20-1)
- Prucalopride Impurity 5 (CAS 1599434-55-5)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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