1-(Prop-2-yn-1-yl)-2,5-dihydro-1h-pyrrole-2,5-dione CAS 209395-32-4
| CAS No. | 209395-32-4 |
| Molecular Formula | C7H5NO2 |
| Molecular Weight | 135.12 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.
1-(Prop-2-yn-1-yl)-2,5-dihydro-1h-pyrrole-2,5-dione (CAS 209395-32-4), molecular formula C7H5NO2 and molecular weight 135.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5NO2, 1-(Prop-2-yn-1-yl)-2,5-dihydro-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 135.12 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).
As a certified reference material (CRM), 1-(Prop-2-yn-1-yl)-2,5-dihydro-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 | C7H5NO2 |
| Molecular Weight | 135.12 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 1 |
Related Prop Standards
- Prop-2-yn-1-yl 2-cyanoacrylate (CAS 44898-13-7)
- 3-(prop-2-en-1-yloxy)pyridine (CAS 18343-04-9)
- 1-Ethyl-2-(prop-2-yn-1-yl)-1h-imidazole (CAS 1517586-62-7)
- 2-(Prop-1-en-1-yl)phenol (CAS 23619-59-2)
- 5-(Prop-1-en-2-yl)pyridin-2-amine (CAS 848841-59-8)
- (Prop-2-yn-1-yl)(Sulfamoyl)amine (CAS 154743-04-1)
- 1-(Prop-2-yn-1-yl)-1h-imidazole-2-carbaldehyde (CAS 1247894-26-3)
- 2-(prop-2-yn-1-yloxy)pyrimidine (CAS 944903-33-7)
Recommended Standards
- [1,2,4]triazolo[4,3-a]pyridin-7-ol (CAS 937263-36-0)
- 1,1-Dimethoxy-2-nitroethane (CAS 69425-53-2)
- [1,2,4]Triazolo[4,3-a]pyridin-5(1H)-one (CAS 501016-88-2)
- 1,2-Benzisoxazol-6-ol (CAS 65685-55-4)
- Copper(II) 2,9,16,23-tetrafluorophthalocyanine (CAS 65602-84-8)
- 2-Chloro-6-methylphenyl isothiocyanate (CAS 19241-34-0)
- [(2S,4R)-4-fluoropyrrolidin-2-yl]methanol hydrochloride (CAS 623583-09-5)
- (S)-α-Amino-2-anthracenepropanoic Acid (CAS 155760-00-2)
- 2-Chloropyridine-3,5-dicarbaldehyde (CAS 129216-07-5)
- 5-(1-Bromoethyl)-2-chloropyridine (CAS 1824272-95-8)
- 1-(2-Bromo-4-fluorophenyl)cyclopropanamine hydrochloride (CAS 1923056-86-3)
- Abemaciclib Impurity 87 (CAS CATO-C4X-293787)
- 5-Ethylpyrimidine-2,4-diamine (CAS 73119-06-9)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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