3,3'-Oxybis(isobenzofuran-1(3H)-one) CAS 65543-72-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65543-72-8 |
| Molecular Formula | C16H10O5 |
| Molecular Weight | 282.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,3'-Oxybis(isobenzofuran-1(3H)-one) (CAS 65543-72-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H10O5. Molecular weight: 282.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H10O5 |
| Molecular Weight | 282.25 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Oxybis Standards
- 2,2'-Oxybis(N-phenylacetamide) (CAS 83936-42-9)
- 4,4'-Oxybis(isothiocyanatobenzene) (CAS 10396-05-1)
- 2,2'-(Oxybis(methylene))bis(1H-benzo[d]imidazole) (CAS 94665-42-6)
- Oxybis(4,1-phenylene) diacetate (CAS 23446-80-2)
- (Oxybis(4,1-phenylene))bis(dimethylsilane) (CAS 13315-17-8)
- Oxybis(ethane-2,1-diyl) bis(isopropylcarbamate) (CAS 6271-03-0)
- 4,4'-((Oxybis(ethane-2,1-diyl))bis(oxy))dianiline (CAS 6954-41-2)
- 4,4'-Oxybis(2-nitroaniline) (CAS 3273-78-7)
Recommended Standards
- 3,3',3''-Phosphorothioyltripropanoic acid (CAS 5961-86-4)
- 3-O-Methylinosine (CAS 75479-64-0)
- 3-(3-Nitrophenyl)benzo[f][1,4]oxazepin-5(4H)-one (CAS 866050-58-0)
- 2-Ethyl-3-methylquinoline (CAS 27356-52-1)
- 3-Amino-7-methoxyquinoline dihydrochloride (CAS 1216228-63-5)
- 2-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261916-00-0)
- Ethyl 3-formyl-7-methylimidazo[1,2-a]pyridine-2-carboxylate (CAS 1177207-33-8)
- 2-Chloro-4-phenylcyclohexan-1-one (CAS 1248025-44-6)
- 2-(Ethyl((1-methylpyrrolidin-3-yl)methyl)amino)acetic acid (CAS 1353966-08-1)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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