1H-Pyrrole-2,5-dione, 1-phenyl-, polymer with ethenylbenzene CAS 26316-43-8
| CAS No. | 26316-43-8 |
| Molecular Formula | C18H22N2O3 |
| Molecular Weight | 314.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1H-Pyrrole-2,5-dione, 1-phenyl-, polymer with ethenylbenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1H-Pyrrole-2,5-dione, 1-phenyl-, polymer with ethenylbenzene (CAS 26316-43-8), molecular formula C18H22N2O3 and molecular weight 314.38 g/mol, is a CATO reference standard with documented purity and traceability.
1H-Pyrrole-2,5-dione, 1-phenyl-, polymer with ethenylbenzene (C18H22N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H22N2O3 |
| Molecular Weight | 314.38 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related H Standards
- 1H-Pyrrole-2,5-dione, 1,1'-(2,2,4-trimethyl-1,6-hexanediyl)bis- (CAS 39979-46-9)
- Pyrrole-2,5-bis(boronic acid pinacol ester), 97% (CAS 476004-84-9)
- 1H-Pyrrole-2,5-dione,1,1'-(1,8-octanediyl)bis- (CAS 28537-73-7)
- 1-Boc-pyrrole-3-boronic acid pinacol ester, 97% (CAS 935278-73-2)
- 1H-Pyrrole-2,4-dicarboxylic Acid, 1-(2-bromoethyl)-, 2,4-dimethyl Ester (CAS 929017-77-6)
- 1H-Pyrrole-2-carboxylic acid, 5-(2-imidazo[1,2-a]pyridin-5-ylethynyl)-1-methyl- (CAS 2549239-50-9)
- 306936-21-0 1H-Pyrrole-3-carboxylicacid, 5-(1,1-dimethylethyl)-2-methyl-1-[2-(methylthio)ethyl]- DTXSID00370876 (CAS 306936-21-0)
- 2-(1H-Pyrrole-2-carbothioamido)benzoic acid (CAS 89812-75-9)
Recommended Standards
- 1H-Indole-3-carbaldehyde(3,7-dimethyl-2-quinolinyl)hydrazone (CAS 364361-68-2)
- 1-Phenyl-5-propyl-N-((tetrahydrofuran-2-yl)methyl)-1H-1,2,3-triazole-4-carboxamide (CAS 950230-86-1)
- 10,11-Dimethoxy-2,3,4,5,7,8,12b,13-octahydro-1H-1,6-diazatetraphen-5-one (CAS 866049-94-7)
- 2-(2-(Diethylamino)ethyl)-5-methyl-2H-benzo[b]pyridazino[4,3-e][1,4]oxazin-3(5H)-one (CAS 24721-01-5)
- 2-(2-Chlorobutyl)thiophene (CAS 1284883-43-7)
- 3-Chloro-n-[2-(trifluoromethyl)phenyl]propanamide (CAS 349097-65-0)
- 1-Methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 933733-84-7)
- 3-(2-Bromophenyl)-5-(4-chlorophenyl)-1,2,4-oxadiazole (CAS 425373-64-4)
- Esomeprazole Impurity 22 (CAS 1422064-00-3)
- 2-(3-Chlorobenzenesulfonyl)-1,1-diphenylethan-1-ol (CAS 252026-35-0)
- Tert-butyl (1-(2-chloro-6-fluorobenzyl)piperidin-4-yl)carbamate (CAS 651292-90-9)
- 2-(4-Chloro-5-ethoxy-2-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1256360-15-2)
- 2-(2-Methyl-5-phenyl-1h-pyrrol-1-yl)benzoic acid (CAS 26180-27-8)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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 18665070610 / Nicole.chen@cato-chem.com