1,1'-(1,3-Phenylenebis(methylene))bis(3-methyl-1H-pyrrole-2,5-dione) CAS 119462-56-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 119462-56-5 |
| Molecular Formula | C18H18N2O5 |
| Molecular Weight | 342.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,1'-(1,3-Phenylenebis(methylene))bis(3-methyl-1H-pyrrole-2,5-dione) (CAS 119462-56-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H18N2O5. Molecular weight: 342.35 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O5 |
| Molecular Weight | 342.35 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Phenylenebis Standards
- 2,2',2'',2'''-(1,4-Phenylenebis(azanetriyl))tetraacetic acid (CAS 1099-02-1)
- 2,2',2'',2'''-(1,2-Phenylenebis(azanetriyl))tetraacetic acid (CAS 40774-59-2)
- 4,4'-(1,3-Phenylenebis(diazene-2,1-diyl))bis(benzene-1,3-diamine) (CAS 1052-38-6)
- 4,4'-((1,4-Phenylenebis(methylene))bis(oxy))dibenzaldehyde (CAS 64621-41-6)
- 4,4'-(1,4-Phenylenebis(oxy))dibenzoic acid (CAS 13282-09-2)
- 4,4'-(1,2-Phenylenebis(oxy))dibenzoic acid (CAS 74294-25-0)
- 4,4'-(1,3-Phenylenebis(oxy))dibenzoic acid (CAS 77865-43-1)
- 4,4'-(1,4-Phenylenebis(ethyne-2,1-diyl))dibenzaldehyde (CAS 192188-70-8)
Recommended Standards
- N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide (CAS 117-06-6)
- 3-((2-Amino-4,6-dimethoxyphenyl)(pyridin-3-yl)methyl)-4-hydroxyfuran-2(5H)-one (CAS 1272756-36-1)
- 4-(1H-Imidazo[4,5-b]phenazin-2-yl)-2-methoxyphenol (CAS 114991-90-1)
- 5-Methyl-2-pyrrol-1-yl-thiophene-3-carboxylic acid (CAS 151258-67-2)
- N-(3-Cyano-4,5-dimethylthiophen-2-yl)-3,4-difluorobenzamide (CAS 1043320-52-0)
- 2-[3-(6-Dimethylamino-4-trifluoromethyl-pyridin-2-yl)-phenoxy]-propionic acid ethyl ester (CAS 1311279-99-8)
- 4-(3-Methyl-1,2,4-oxadiazol-5-yl)cyclohexan-1-amine hydrochloride (CAS 1384430-79-8)
- 2-(3-Amino-4-methyl-1h-pyrazol-1-yl)-N,N-dimethylacetamide (CAS 1342614-59-8)
- 6-Benzyl-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 80030-90-6)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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