Z-D-Tyr(tBu)-OH.DCHA CAS 198828-72-7
| CAS No. | 198828-72-7 |
| Molecular Formula | C21H25NO5 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies Z-D-Tyr(tBu)-OH.DCHA (CAS 198828-72-7), a certified reference material (molecular formula C21H25NO5C12H23N, MW 552.76 g/mol) for analytical method development and quality control.
Z-D-Tyr(tBu)-OH.DCHA (C21H25NO5C12H23N) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H25NO5 C12H23N |
| Molecular Weight | 552.76 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-Chloro-N-(2-phenylbutyl)propanamide (CAS 852933-93-8)
- 1,6-Naphthalenedicarboxylic acid, 97% (CAS 2089-87-4)
- Trans-3-hydroxy-1-methyl-5-(pyridin-3-yl)pyrrolidin-2-one (CAS 223655-46-7)
- 2-Methyl-4-tosylmorpholine (CAS 503469-23-6)
- beta-Himachalene (CAS 17928-54-0)
- (3E,5Z)-6-(Dimethylamino)-1,1,1-trifluoro-4-(2-phenoxyanilino)-3,5-hexadien-2-one (CAS 338393-36-5)
- 2,2'-Butylidenebis[6-dimethylethyl]-4-methylphenol (CAS 4081-14-5)
- Tebipenem Pivoxil Impurity 12 (CAS CATO-C4X-134712)
- 3-(4-(2,2,2-Trifluoroethyl)piperazin-1-yl)propan-1-amine (CAS 1094753-64-6)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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