tert-Butyl 1-methyl-4-nitro-1H-pyrrole-2-carboxylate CAS 67974-08-7
| CAS No. | 67974-08-7 |
| Molecular Formula | C10H14N2O4 |
| Molecular Weight | 226.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures tert-Butyl 1-methyl-4-nitro-1H-pyrrole-2-carboxylate 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.
tert-Butyl 1-methyl-4-nitro-1H-pyrrole-2-carboxylate (CAS 67974-08-7) is a high-purity analytical reference standard with the molecular formula C10H14N2O4 and a molecular weight of 226.23 g/mol.
tert-Butyl 1-methyl-4-nitro-1H-pyrrole-2-carboxylate (C10H14N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C10H14N2O4 |
| Molecular Weight | 226.23 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, 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.) | 1976 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Sarracenin (CAS 59653-37-1)
- tert-Butyl 3,4,5-trihydroxybenzoate (CAS 50888-95-4)
- Roxadustat Impurity N2 (CAS 57830-14-5)
- tert-Butyl 5-Amino-4-carbamoyl-1H-imidazole-1-carboxylate (CAS 2167393-33-9)
- (3-(4-Bromophenyl)-1-(3-chlorophenyl)-1H-pyrazol-4-yl)methanol (CAS 618441-69-3)
- Perindopril (CAS 82834-16-0)
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- (6-Amino-5-methoxypyridin-3-yl)dimethylphosphine oxide (CAS 2883047-09-2)
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- 3-Cyano-4-(3-methyl-4-(methylthio)phenoxy)benzenesulfonamide (CAS 1204513-72-3)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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