4-Benzyl 1-(4-nitrophenyl) (tert-butoxycarbonyl)-L-aspartate CAS 26048-69-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 26048-69-1 |
| Molecular Formula | C22H24N2O8 |
| Molecular Weight | 444.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Benzyl 1-(4-nitrophenyl) (tert-butoxycarbonyl)-L-aspartate (CAS 26048-69-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H24N2O8. Molecular weight: 444.43 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H24N2O8 |
| Molecular Weight | 444.43 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
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- 1-(4-Nitrophenyl)-2,5,6-triphenylpyrimidin-4(1H)-one (CAS 88317-18-4)
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Recommended Standards
- 3-Amino-N-(2-methoxy-5-(trifluoromethyl)phenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 625370-66-3)
- Ethyl {[2-(2-{2-[(ethyl carboxy)formamido]phenoxy}ethoxy)phenyl]carbamoyl}formate (CAS 866008-05-1)
- 2-(3-Methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)-N-(2-phenoxyphenyl)thiazole-4-carboxamide (CAS 956754-14-6)
- 1-(4-(Trifluoromethyl)benzyl)piperidin-4-one (CAS 905986-83-6)
- 4-[4-(Trifluoromethyl)phenoxy]benzene-1-sulfonyl chloride (CAS 214353-91-0)
- 7-Isopropyl-1,2,3,4-tetrahydronaphthalen-1-ol (CAS 861049-92-5)
- Methyl 4-chloro-3-hydroxythiophene-2-carboxylate (CAS 65449-59-4)
- 4-(3,5-Dicarboxyphenyl)pyridine-2,6-dicarboxylic acid (CAS 1383951-59-4)
- (2-Ethoxy-5-isopropylphenyl)boronic acid (CAS 1127647-66-8)
- Semaglutide impurity 256 (CAS CATO-C4X-2226256)
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