5-Amino-1H-benzo[d][1,3]oxazin-2(4H)-one CAS 1002129-69-2
| CAS No. | 1002129-69-2 |
| Molecular Formula | C8H8N2O2 |
| Molecular Weight | 164.16 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 5-Amino-1H-benzo[d][1,3]oxazin-2(4H)-one.
5-Amino-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 1002129-69-2), molecular formula C8H8N2O2 and molecular weight 164.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H8N2O2, 5-Amino-1H-benzo[d][1,3]oxazin-2(4H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 164.16 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.
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 | C8H8N2O2 |
| Molecular Weight | 164.16 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, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 2-Amino-6-methyl-1H-pyrrolo[3,2-d]pyrimidin-4(5H)-one (CAS 1005326-32-8)
- 7-Amino-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 1042972-65-5)
- 4-Acetyl-2-amino-5-methylfuran-3-carbonitrile (CAS 108129-35-7)
- 4-Amino-6-methylfuro[3,4-c]pyridin-3(1h)-one (CAS 108129-37-9)
- 2-Amino-6-methyl-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-5-one (CAS 1092281-08-7)
- 2-Amino-6-methoxy-[1,2,4]triazolo[1,5-a]pyridine (CAS 1092394-15-4)
- 5-Amino-6-hydroxyindolin-2-one (CAS 1153157-62-0)
- 2-Amino-5-hydroxy-4-methoxybenzonitrile (CAS 1208903-74-5)
Recommended Standards
- 2-(3-(Trifluoromethyl)pyridin-2-yl)ethanol (CAS 1000527-96-7)
- 2-Methoxy-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 100383-13-9)
- 4-Methoxy-1H-indazol-3-ol (CAS 1000342-89-1)
- 4-Methoxy-1H-pyrrolo[3,2-c]pyridin-2(3H)-one (CAS 1000342-85-7)
- (+/-)-cis-2-Aminocyclo-octane-1-carboxylic acid hydrochloride (1S,2R/1R,2S)-2-aminocyclooctanecarboxylic acid hydrochloride (1:1) 350015-76-8 (CAS 350015-76-8)
- 6-(Difluoromethoxy)nicotinaldehyde (CAS 1211577-99-9)
- 4,4'-Sulfonylbis(N-methylaniline) (CAS 7324-96-1)
- Methyl perfluorohexyl ketone (CAS 80793-21-1)
- N4-(4-methoxyphenyl)pyridine-3,4-diamine (CAS 88614-03-3)
- N-(2-(1H-Indol-3-yl)ethyl)-4-(bromomethyl)benzenesulfonamide (CAS 811841-56-2)
- 5-(Trifluoromethyl)pyrazine-2-carboxylic Acid (CAS 1060814-50-7)
- MK-2 Dye (CAS 1037440-21-3)
- 1,2,3,4,5-Pentabromo-6-(2,5-dibromophenoxy)benzene (CAS 405237-86-7)
- Custom peptides (CAS CATO-CPTD788509)
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