meso-Octamethylcalix(4)pyrrole CAS 4475-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4475-42-7 |
| Molecular Formula | C28H36N4 |
| Molecular Weight | 428.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
meso-Octamethylcalix(4)pyrrole (CAS 4475-42-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H36N4. Molecular weight: 428.61 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H36N4 |
| Molecular Weight | 428.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 5-Chloro-1-((3aR,4R,6S,6aS)-6-(iodomethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione (CAS 94048-47-2)
- Triphenyl(tosylmethyl)silane (CAS 18758-59-3)
- N-Benzyloxy Naratriptan-d3 (CAS 1794937-02-2)
- Sodium Deoxycholate (CAS 302-95-4)
- 5-Bromo-2-chloro-4-hydrazinylpyrimidine (CAS 1021268-16-5)
- 2,2-Difluoro-N-(4-(trifluoromethoxy)phenyl)-2-(3-(trifluoromethyl)phenoxy)acetamide (CAS 338792-04-4)
- 4-Androsten-17α-ol-3-one-2,2,4,6,6-d5 (CAS 165195-35-7)
- 1-(1-Methyl-1h-pyrazol-4-yl)hexane-1,3-dione (CAS 1249453-61-9)
- (S)-5-(1-(1-(4-Fluorophenyl)ethyl)-1H-[1,2,3]triazolo[4,5-c]quinolin-8-yl)benzo[d]oxazole (CAS 2123491-32-5)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
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