Ac-Trp-ONp CAS 14009-92-8
| CAS No. | 14009-92-8 |
| Molecular Formula | C19H17N3O5 |
| Molecular Weight | 367.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 367.36 g/mol gives Ac-Trp-ONp distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ac-Trp-ONp (CAS 14009-92-8), molecular formula C19H17N3O5 and molecular weight 367.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H17N3O5, Ac-Trp-ONp contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 367.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Ac-Trp-ONp 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 | C19H17N3O5 |
| Molecular Weight | 367.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Roxadustat impurity 134 (CAS 2243807-81-8)
- Boc-L-2-amino-6-(O,O-diethyl-phosphono)hexanoicacid (CAS 1217810-32-6)
- N-Nitroso Valaciclovir EP Impurity C (CAS CATO-C4X-124849)
- N-[3-(2-Dimethylamino-5-trifluoromethyl-pyridin-3-yl)-phenyl]-2-ethoxy-acetamide (CAS 1311278-24-6)
- (4-Bromo-1H-indol-3-yl)methanamine (CAS 887581-26-2)
- 3-(4-fluoro-3-methylphenyl)phenylacetic acid (CAS 1352318-21-8)
- 2-((1-(2-Fluorophenyl)-1H-tetrazol-5-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 562866-41-5)
- 4-Bromo-5-iodopyrimidine (CAS 1500179-97-4)
- 3-Methanesulfonyl-2-[(4-methoxyphenyl)methanesulfonyl]-4,6-dimethylpyridine (CAS 339016-86-3)
- N-(2-(Thiophen-3-yl)ethyl)-2-(trifluoromethoxy)benzenesulfonamide (CAS 1797317-52-2)
- 4-Isopentylpyrimidine (CAS 116186-27-7)
- Bicyclo[4.1.0]hepta-1,3,5-triene (CAS 4646-69-9)
- Methyl (3S,4R)-4-methylpiperidine-3-carboxylate hydrochloride (CAS 1009376-55-9)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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