1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-, polymer with benzenamine and 1,3-benzenediamine CAS 71519-78-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71519-78-3 |
| Molecular Formula | C31H20O8 C6H8N2 C6H7N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3-Isobenzofurandione, 5,5'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis-, polymer with benzenamine and 1,3-benzenediamine (CAS 71519-78-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C31H20O8 C6H8N2 C6H7N. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C31H20O8 C6H8N2 C6H7N |
| Molecular Weight | 721.77 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) | 28.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 3 |
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
- 2-Hydroxy-N,N-dimethyl-2-phenylacetamide (CAS 2019-71-8)
- N-(3,4-dimethoxyphenyl)-N-tosylglycine (CAS 358765-87-4)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-[2-(ethoxy-carbonyl)phenoxy]-2-pyrrolidinecarboxylic acid (CAS 1354486-39-7)
- Decitabine impurity 32 (CAS CATO-C4X-113732)
- 3-(Benzyloxy)-N-[2-(3-methylphenoxy)propyl]aniline (CAS 1040688-54-7)
- 4-Bromo-2-chloro-6-methylphenol (CAS 7530-27-0)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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