1-Isopropyl-1H-pyrrole-2,5-dione CAS 1073-93-4
| CAS No. | 1073-93-4 |
| Molecular Formula | C7H9NO2 |
| Molecular Weight | 139.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Isopropyl-1H-pyrrole-2,5-dione is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 1-Isopropyl-1H-pyrrole-2,5-dione (CAS 1073-93-4), a certified reference material (molecular formula C7H9NO2, MW 139.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H9NO2, 1-Isopropyl-1H-pyrrole-2,5-dione 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 139.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 1-Isopropyl-1H-pyrrole-2,5-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H9NO2 |
| Molecular Weight | 139.15 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Isopropyl Standards
- Isopropyl 2-cyanoacrylate (CAS 10586-17-1)
- 3-Isopropyl-1H-1,2,4-triazole-5-carbaldehyde (CAS 944897-17-0)
- 1-Isopropyl-5-methyl-1h-pyrazol-4-amine (CAS 1006495-81-3)
- (1-Isopropyl-1H-pyrazol-5-yl)methanamine (CAS 1007505-19-2)
- (2-Isopropyl-1h-imidazol-4-yl)methanamine (CAS 109165-48-2)
- 4-Isopropyl-5-methyl-1H-pyrazol-3-amine (CAS 116570-83-3)
- 1-Isopropyl-4-methyl-pyrazol-3-amine (CAS 1174866-04-6)
- 5-Isopropyl-1-methyl-1H-pyrazol-3-amine (CAS 1229456-20-5)
Recommended Standards
- 1-(5-Methyloxazol-2-yl)propan-2-one (CAS 1062323-64-1)
- 5-Hydroxy-2-methoxy-4-methylpyridine (CAS 1086389-80-1)
- (5-Cyclopropyl-3-isoxazolyl)methanol (CAS 1060817-48-2)
- 3,4-Dimethoxypyridine (CAS 109613-93-6)
- (S)-2-Amino-5,5-dimethylhexanoic acid (CAS 142886-13-3)
- 10,10'-(5-(6-([1,1'-Biphenyl]-4-yl)-2-phenylpyrimidin-4-yl)-1,3-phenylene)bis(9,9-dimethyl-9,10-dihydroacridine) (CAS 1836192-40-5)
- (2E)-1-(4-Fluorophenyl)-3-(3-nitrophenyl)prop-2-en-1-one (CAS 28081-18-7)
- H-Pro-Ile-OH (CAS 51926-51-3)
- 2-(2-(4-Hydroxybenzylidene)hydrazinyl)-6-methylpyrimidin-4-ol (CAS 91560-27-9)
- 2,2,2-Trifluoro-N-(pyridin-3-yl)acetamide (CAS 14815-19-1)
- 4-Ethoxy-6-methylquinoline-2-carboxylic acid (CAS 1351771-17-9)
- 2-Methyl-3-(quinolin-3-yl)propan-1-amine (CAS 1343046-15-0)
- Rhodamine 101 (CAS 64339-18-0)
- Peptide 46 (H-4054.0500) (CAS 192122-40-0)
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