SR 13668, 97% CAS 637774-61-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 637774-61-9 |
| Molecular Formula | C25H22N2O5 |
| Molecular Weight | 430.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order SR 13668, 97% (CAS 637774-61-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H22N2O5. Molecular weight: 430.45 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H22N2O5 |
| Molecular Weight | 430.45 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Phenyl-2,3,4,6-tetra-O-acetyl-beta-D-galactopyranoside (CAS 2872-72-2)
- CAS 84458-87-7 (CAS 84458-87-7)
- N-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]-8-(hydroxyamino)-8-oxo-octanamide (CAS 2233579-08-1)
- 4-Ketoretinol (CAS 62702-55-0)
- [(2R)-1-[1-(3-chlorophenyl)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]pyrrolidin-2-yl]methanol (CAS 1461689-24-6)
- 2-Fluoro-5-(propan-2-yl)benzoic acid (CAS 1341654-82-7)
- Deepoxy-deoxynivalenol (CAS 88054-24-4)
- (R)-1-(3-methoxy-4-methylphenyl)-2-methylpropan-1-amine (CAS 1259866-48-2)
- (r)-n-Ethyl-n-(piperidin-3-yl)propionamide hydrochloride (CAS 2680615-18-1)
- Tirzepatide Impurity 1 (CAS 2460751-66-8)
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