1,3-Isobenzofurandione, 4-[4-[1-[4-[(1,3-dihydro-1,3-dioxo-5-isobenzofuranyl)oxy]phenyl]-1-methylethyl]phenoxy]-, polymer with 1,3-benzenediamine and 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[1,3-isobenzofurandione] CAS 72076-40-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72076-40-5 |
| Molecular Formula | 2*C31H20O8 C6H8N2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Isobenzofurandione, 4-[4-[1-[4-[(1,3-dihydro-1,3-dioxo-5-isobenzofuranyl)oxy]phenyl]-1-methylethyl]phenoxy]-, polymer with 1,3-benzenediamine and 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[1,3-isobenzofurandione] (CAS 72076-40-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: 2*C31H20O8 C6H8N2. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | 2*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.) | 1977 |
| 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
- 3-Amino-1-(3-chloro-2-methylphenyl)thiourea (CAS 54418-99-4)
- Tert-butyl 3-acetyl-4-methylpiperidine-1-carboxylate (CAS 2022787-22-8)
- 6-Chloro-N-methyl-N-((tetrahydro-2H-pyran-4-yl)methyl)pyrimidin-4-amine (CAS 1220036-29-2)
- 4-Chloromethyl-5-methyl-2-(furan-3-yl)oxazole (CAS 914637-91-5)
- 3,5-Difluoro-N-(2-fluorobenzyl)aniline (CAS 1021023-11-9)
- Ethyl 2-(pyridin-3-yl)-6-(trifluoromethyl)nicotinate (CAS 1214361-54-2)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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