3,4-Dihydro-2h-benzo[b][1,4]oxazin-8-ol CAS 704879-73-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 704879-73-2 |
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dihydro-2h-benzo[b][1,4]oxazin-8-ol (CAS 704879-73-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9NO2. Molecular weight: 151.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9NO2 |
| Molecular Weight | 151.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Dihydro Standards
- 3,4-Dihydro-2h-benzo[b][1,4]oxazin-7-ol (CAS 104535-37-7)
- 2,3-Dihydro-1H-pyrrolizine-7-carboxylic acid (CAS 116515-48-1)
- 3,4-Dihydro-2H-[1,4]dioxepino[2,3-b]pyridine (CAS 1244949-25-4)
- 6-Methyl-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 129421-33-6)
- 3,4-Dihydro-2H-pyrano[2,3-b]pyridin-6-ol (CAS 1383788-36-0)
- 3,4-Dihydro-2H-pyrano[3,2-b]pyridin-8-ol (CAS 1414864-09-7)
- (R)-3,4-Dihydro-2H-pyrano[3,2-c]pyridin-4-ol (CAS 1443111-65-6)
- (S)-3,4-Dihydro-2H-pyrano[3,2-c]pyridin-4-ol (CAS 1443112-11-5)
Recommended Standards
- 3,4,5,6-Tetrahydrophthalimide (CAS 4720-86-9)
- 3,4-Dihydro-2H-pyrano[2,3-b]pyridin-4-ol (CAS 911826-21-6)
- 3-(furfuryloxy)propiononitrile (CAS 42839-13-4)
- Benzyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS 1219805-81-8)
- 4-Butyl-2-nitroaniline (CAS 3663-22-7)
- 4-Ethyl-1,3-dioxolan-2-one (CAS 4437-85-8)
- Methyl [1-(3,4,5-trimethoxybenzoyl)piperidin-4-YL]acetate (CAS 946679-56-7)
- 4-Ethyl-2-(4H-1,2,4-triazol-3-yl)thiazole-5-carboxylic acid (CAS 1499649-10-3)
- 3-Cyclopropoxy-4-methoxypicolinaldehyde (CAS 1243481-98-2)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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