Z-O-tert-Butyl-L-tyrosine 4-nitrobenzyl ester CAS 16879-89-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16879-89-3 |
| Molecular Formula | C28H30N2O7 |
| Molecular Weight | 506.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Z-O-tert-Butyl-L-tyrosine 4-nitrobenzyl ester (CAS 16879-89-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H30N2O7. Molecular weight: 506.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C28H30N2O7 |
| Molecular Weight | 506.55 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (11bR,11'bR)-4,4'-Dioxide-4,4'-iminobis[8,9,10,11,12,13,14,15-octahydro-2,6-diphenyl-Dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 1638840-38-6)
- (1R)-6-Fluoro-7-(2-fluoro-6-hydroxyphenyl)-1-(2-isopropyl-4-methylpyridin-3-yl)-4-((S)-2-methylpiperazin-1-yl)pyrido[2,3-d]pyrimidin-2(1H)-one (CAS 2423110-39-6)
- 3-(8-Cyclopentyl-2,6-Dioxo-1-Propyl-7H-Purin-3-ylPropyl 4-Fluorosulfonylbenzoate (CAS 156547-56-7)
- 2-((4-Fluorophenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 475055-45-9)
- 2.3-Peri-naphthylene-pyrene (CAS 188-89-6)
- 3,5-dinitro-N-(pyridin-3-ylmethyl)benzamide (CAS 58624-47-8)
- Methyl 3-(piperidin-3-yl)-1H-indole-6-carboxylate (CAS 1260766-36-6)
- (S)-1-(4-Chlorobenzyl)-5-oxopyrrolidine-2-carboxylic acid (CAS 59749-22-3)
- N-(5-(3,5-Difluorobenzoyl)-1-trityl-1H-indazol-3-yl)-4-(4-methylpiperazin-1-yl)-2-nitrobenzamide (CAS 1108745-20-5)
- Peptide 441 (CAS CATO-CPTD788441)
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