5-(Prop-1-yn-1-yl)isobenzofuran-1,3-dione CAS 1240685-26-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1240685-26-0 |
| Molecular Formula | C11H6O3 |
| Molecular Weight | 186.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Prop-1-yn-1-yl)isobenzofuran-1,3-dione (CAS 1240685-26-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H6O3. Molecular weight: 186.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H6O3 |
| Molecular Weight | 186.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
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- 1,2-Bis(prop-2-yn-1-yloxy)benzene (CAS 5651-91-2)
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Recommended Standards
- n-(2-Amino-4,5-difluorophenyl)acetamide (CAS 1240526-68-4)
- 3,5-Difluoropyridine-2-carboxylic acid dimethylamide (CAS 1245215-73-9)
- 123251-08-1 [4S-(4alpha,7beta,7aalpha)]-7,7a-Dihydro-7-hydroxy-4-methoxy-4H-furo[3,2-c]pyran-2(6H)-one (CAS 123251-08-1)
- 5-(2-Chlorophenyl)thiophene-2-carbaldehyde (CAS 356570-11-1)
- N-(2-(methylthio)phenyl)tetrahydrothiophen-3-amine (CAS 1154297-44-5)
- (2R,3R,5S)-2-(6-Amino-9H-purin-9-yl)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-3-ol (CAS 51763-58-7)
- 1,3-Bis(3,5-dimethylphenyl)propane-1,3-dione (CAS 512180-03-9)
- 7-Bromo-4-methoxy-3h-[1,2,3]triazolo[4,5-c]pyridine (CAS 1590410-84-6)
- (2,2-Dimethyl-2H-chromen-6-yl)methanol (CAS 82441-64-3)
- Semaglutide Impurity 6 (CAS 62-57-7)
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