1,1′-[Methylenebis(4,1-phenylenenitrilomethylidyne)]bis[2-naphthalenol] CAS 4231-45-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4231-45-2 |
| Molecular Formula | C35H26N2O2 |
| Molecular Weight | 506.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,1′-[Methylenebis(4,1-phenylenenitrilomethylidyne)]bis[2-naphthalenol] (CAS 4231-45-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C35H26N2O2. Molecular weight: 506.59 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C35H26N2O2 |
| Molecular Weight | 506.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (5AS,10aR)-1,3,8,10a-tetrahydroxy-5a-((2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-yl)-5a,10a-dihydro-11H-benzofuro[3,2-b]chromen-11-one (CAS 202526-53-2)
- 11a-Hydroxy Progesterone b-D-Glucuronide (CAS 77710-64-6)
- (3AR,5R,6R,7S,7aR)-6,7-bis(benzyloxy)-5-((benzyloxy)methyl)-2-methoxy-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran (CAS 51532-75-3)
- Tert-butyl (R)-2-ethylpiperidine-1-carboxylate (CAS 664364-76-5)
- 2-(Phenylthio)-N-(thiazol-4-ylmethyl)ethan-1-amine (CAS 1247720-55-3)
- 1-(2-Morpholinoethyl)piperidin-4-amine (CAS 1019119-64-2)
- 3-(5-(4-Chlorophenyl)-1H-tetrazol-1-yl)propanoic acid (CAS 889939-50-8)
- (cis-4-Fluorocyclohexyl)methanol (CAS 1782531-62-7)
- 2,6-Dibromo-3-fluorobenzotrifluoride (CAS 1804932-74-8)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
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