3-Ethyl-2-methyl-5-phenylbenzo[d]oxazol-3-ium methyl sulfate CAS 63870-49-5
| CAS No. | 63870-49-5 |
| Molecular Formula | C16H16NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Ethyl-2-methyl-5-phenylbenzo[d]oxazol-3-ium methyl sulfate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Ethyl-2-methyl-5-phenylbenzo[d]oxazol-3-ium methyl sulfate (CAS 63870-49-5) is a high-purity analytical reference standard with the molecular formula C16H16NOC2H5O4S and a molecular weight of 363.43 g/mol.
Structurally, 3-Ethyl-2-methyl-5-phenylbenzo[d]oxazol-3-ium methyl sulfate (C16H16NOC2H5O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 363.43 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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 3-Ethyl-2-methyl-5-phenylbenzo[d]oxazol-3-ium methyl sulfate 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 | C16H16NO C2H5O4S |
| Molecular Weight | 363.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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- (S)-tert-Butyl (1-(6-(trifluoromethyl)pyrimidin-4-yl)pyrrolidin-3-yl)carbamate (CAS 1365936-92-0)
- 3-((3-Fluorobenzyl)thio)-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 896686-02-5)
- tert-butyl 5'-bromo-3'H-spiro[azetidine-3,1'-[2]benzofuran]-1-carboxylate (CAS 1398609-80-7)
- 3-Amino-4-(2,4-dichlorophenyl)-1-ethylazetidin-2-one (CAS 1706820-77-0)
- 2-(methoxymethyl)-4-methyl-1H-pyrimidin-6-one (CAS 3122-74-5)
- 3-Bromo-1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-(((3-chloro-5-(trifluoromethyl)pyridin-2-yl)thio)methyl)-1H-indole (CAS 337920-33-9)
- 4-Bromo-6-methoxy-5-nitropyrimidine (CAS 1510280-34-8)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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