2-Ethylnaphtho[2,1-d]oxazole-4,5-dione CAS 1869972-35-9
| CAS No. | 1869972-35-9 |
| Molecular Formula | C13H9NO3 |
| Molecular Weight | 227.22 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 2-Ethylnaphtho[2,1-d]oxazole-4,5-dione.
2-Ethylnaphtho[2,1-d]oxazole-4,5-dione (CAS 1869972-35-9), molecular formula C13H9NO3 and molecular weight 227.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H9NO3, 2-Ethylnaphtho[2,1-d]oxazole-4,5-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 227.22 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 2-Ethylnaphtho[2,1-d]oxazole-4,5-dione 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 | C13H9NO3 |
| Molecular Weight | 227.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related Ethylnaphtho Standards
Recommended Standards
- tert-butyl N-(3-carbamoyl-1,2-oxazol-5-yl)carbamate (CAS 1803603-93-1)
- 2,8-Dihydroxy-9H-carbazole-3-carbaldehyde (CAS 187110-72-1)
- tert-Butyl 1-methyl-4-nitro-1H-imidazole-2-carboxylate (CAS 179983-49-4)
- Allyltriphenylsilane (CAS 18752-21-1)
- 4-Cyano-2-hydroxy-3-methylbenzoic acid (CAS 1807237-04-2)
- 4-[(Cyclopropylamino)methyl]benzamide (CAS 1019446-07-1)
- 3-methylcyclopentan-1-amine hydrochloride (CAS 226548-99-8)
- 2-Methyl-3H-pyrido[3,4-b][1,4]diazepin-4(5H)-one (CAS 34654-29-0)
- 3-(pyridin-2-yl)-4,5-dihydro-1,2,4-oxadiazole-5-thione (CAS 1334147-08-8)
- (4-Amino-3-isopropyl-5-methylphenyl)dimethylphosphine oxide (CAS 2397624-07-4)
- Chlorphenamine Impurity 8 (CAS 120244-82-8（free base）)
- Ganoderenic acid H (CAS 120462-48-8)
- 2,4-Diethylbenzoic acid (CAS 104175-23-7)
- semaglutide (CAS 782487-28-9)
Why CATO?
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