Z-Asp(ONp)-OBzl CAS 58238-28-1
| CAS No. | 58238-28-1 |
| Molecular Formula | C25H22N2O8 |
| Molecular Weight | 478.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Z-Asp(ONp)-OBzl.
Z-Asp(ONp)-OBzl (CAS 58238-28-1), molecular formula C25H22N2O8 and molecular weight 478.45 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Z-Asp(ONp)-OBzl (C25H22N2O8) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 478.45 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures Z-Asp(ONp)-OBzl 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.
Physical & Chemical Properties
| Molecular Formula | C25H22N2O8 |
| Molecular Weight | 478.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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.) | 1973 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Calceolarioside B (CAS 105471-98-5)
- MF-766, >98% (HPLC) (CAS 1050656-06-8)
- Silymarin Impurity 7 (CAS 142796-24-5)
- 1'-Methyl-4'-[4-(trifluoromethyl)phenyl]-1'',2,2'',4-tetrahydrodispiro[1-benzopyran-3,3'-pyrrolidine-2',3''-indole]-2'',4-dione (CAS 1177520-27-2)
- 7-Hydroxy-hexahydropyrrolo[1,2-c][1,3]oxazol-3-one (CAS 151594-05-7)
- 2-(Pyrrolidin-1-yl)pyridine-3-sulfonyl chloride (CAS 1437385-34-6)
- N-(5-(4-Chlorophenyl)-1H-pyrazol-3-yl)benzamide (CAS 13097-20-6)
- 3-(4-Fluorophenyl)-1-m-tolyl-1h-pyrazole-5-carboxylic acid (CAS 618102-87-7)
- 2-(Pyridin-4-yl)pyrimidine-5-carbonitrile (CAS 1158735-19-3)
- 6-Amino-1-ethylbenzo[cd]indol-2(1H)-one (CAS 51331-93-2)
- 2-(3-Chlorophenyl)propanedial (CAS 74963-16-9)
- Dicyclohexyliodoborane (CAS 55382-85-9)
- 6-Fluoro-4-(trifluoromethyl)quinoline-2-carboxamide, 97% (CAS 1116339-61-7)
- Tau Peptide (275-305) (Repeat 2 Domain) trifluoroacetate salt (CAS 330456-25-2)
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