61128-46-9 1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, polymer with 1,3-benzenediamine CAS 61128-46-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 61128-46-9 |
| Molecular Formula | C31H20O8 C6H8N2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
61128-46-9 1,3-Isobenzofurandione, 5,5'-((1-methylethylidene)bis(4,1-phenyleneoxy))bis-, polymer with 1,3-benzenediamine (CAS 61128-46-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C31H20O8 C6H8N2. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C31H20O8 C6H8N2 |
| Molecular Weight | 628.64 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
Related Isobenzofurandione Standards
- 1,3-Isobenzofurandione, polymer with 2,2'-oxybis[ethanol] and 2,2,4-trimethyl-1,3-pentanediol, 2-ethylhexyl ester (CAS 102030-00-2)
- 1,3-Isobenzofurandione, polymer with 1,3-butanediol, 1,2-ethanediol and 2,5-furandione, reaction products with 3-(triethoxysilyl)-1-propanamine (CAS 102783-83-5)
- 1,3-Isobenzofurandione, 5,5'-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis-, polymer with 4,4'-oxybis[benzenamine] and 4,4'-sulfonylbis[benzenamine] (CAS 103443-55-6)
- 1,3-Isobenzofurandione, 5,5'-[[1,1'-biphenyl]-4,4'-diylbis(oxy)]bis-, polymer with 1,3-isobenzofurandione and 4,4'-sulfonylbis[benzenamine] (CAS 125881-35-8)
- 1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 1,3-diisocyanatomethylbenzene and 1,1'-methylenebis[isocyanatobenzene] (CAS 152187-64-9)
- 1,3-Isobenzofurandione, polymer with 2,5-furandione and 1,2-propanediol (CAS 25037-66-5)
- 1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 4,4'-methylenebis[benzenamine] (CAS 25038-84-0)
- 1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 1,3-benzenediamine (CAS 25464-66-8)
Recommended Standards
- 1-((2-(Dimethylsilyl)ethoxy)methyl)-1H-imidazole-5-carbaldehyde (CAS 1196146-25-4)
- 5-Bromo-2-(m-tolyloxy)pyrimidine (CAS 73221-74-6)
- 6-Nitro-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid (CAS 1260386-80-8)
- Axitinib impurity 47 (CAS 1639137-80-6)
- N-(Tetrahydro-4-hydroxy-1,1-dioxido-3-thienyl)-β-alanine (CAS 325851-81-8)
- ethyl 3,4,5-tribromopyrrole-2-carboxylate (CAS 740813-36-9)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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