1-(3-Ethynylphenyl)-1H-pyrrole-2,5-dione CAS 105280-01-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 105280-01-1 |
| Molecular Formula | C12H7NO2 |
| Molecular Weight | 197.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Ethynylphenyl)-1H-pyrrole-2,5-dione (CAS 105280-01-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H7NO2. Molecular weight: 197.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H7NO2 |
| Molecular Weight | 197.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Ethynylphenyl Standards
- 1-(3-Ethynylphenyl)-2,2,2-trifluoroethan-1-one (CAS 2229554-37-2)
- 1-(4-Ethynylphenyl)-2,2,2-trifluoroethan-1-one (CAS 2228529-71-1)
- 2-(4-Ethynylphenyl)-2,2-difluoroacetic acid (CAS 2229259-18-9)
- N-(3-ethynylphenyl)methanesulfonamide (CAS 1025055-55-3)
- n-(4-Ethynylphenyl)methanesulfonamide (CAS 111448-81-8)
- 1-(4-Ethynylphenyl)-2,2,2-trifluoroethan-1-amine (CAS 1314924-22-5)
- 1-(3-Ethynylphenyl)-2,2,2-trifluoroethan-1-amine (CAS 1824178-83-7)
- n-(3-Ethynylphenyl)cyclobutanecarboxamide (CAS 1248272-20-9)
Recommended Standards
- n-(2-Methoxyethyl)-3-nitropyridin-4-amine (CAS 1040063-55-5)
- Ethyl 3,5-diamino-2-cyano-5-oxopent-2-enoate (CAS 105866-42-0)
- (2-Ethoxy-5-nitrophenyl)methanol (CAS 1039913-30-8)
- 4-Amino-3,5-Dimethoxyphenol (CAS 20032-71-7)
- tert-butyl 2-methyl-1-(2,2,2-trifluoroacetyl)-octahydropyrrolo[3,4-b]pyrrole-5-carboxylate (CAS 2387021-36-3)
- N-(tert-butyl)-3-phenylprop-2-yn-1-amine (CAS 73402-80-9)
- (4-Bromo-5-methyl-1,3-phenylene)dimethanol (CAS 860610-76-0)
- Ethyl 2-(3-(4-bromophenyl)propanoyl)benzoate (CAS 898761-11-0)
- 4-Amino-3-methylpyridine (CAS 1990-90-5)
- Cycloaspeptide A (CAS 109171-13-3)
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 13829788188 / jacky.chen@cato-chem.com