(S)-3-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol CAS 1163680-85-0
| CAS No. | 1163680-85-0 |
| Molecular Formula | C6H7N3O4 |
| Molecular Weight | 185.14 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 (S)-3-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol.
(S)-3-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol (CAS 1163680-85-0), molecular formula C6H7N3O4 and molecular weight 185.14 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-3-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol (C6H7N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 (S)-3-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol 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 | C6H7N3O4 |
| Molecular Weight | 185.14 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 methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- (2R,4S)-2-Amino-5,5,5-trifluoro-4-methylpentanoic acid (CAS 109719-09-7)
- Prop-2-yn-1-yl 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoate (CAS 873849-85-5)
- 3-(4-Chlorophenyl)-4-(piperidin-1-ylmethyl)isoxazol-5(2H)-one (CAS 61194-93-2)
- 4-Fluoro-3-methoxybenzamide (CAS 874804-32-7)
- 6-(4-Methoxyphenyl)-2H-pyridazin-3-one (CAS 2166-33-8)
- N-(6-(4-bromophenyl)-2-oxo-2H-pyran-3-yl)thiophene-2-carboxamide (CAS 478048-98-5)
- (4-(1,3-Dioxolan-2-yl)phenyl)(2,6-dimethylphenyl)methanone (CAS 898760-25-3)
- [3-(3-Isopropoxyphenyl)propyl]amine (CAS 937661-87-5)
- 8,8-Dimethyl-6H,7H,8H,9H-[1,2,4]triazolo[1,5-a]quinazolin-6-one (CAS 29940-49-6)
- 4,7,7-Trimethyl-N-(5-methylisoxazol-3-yl)-3-oxobicyclo[2.2.1]heptane-1-carboxamide (CAS 618401-96-0)
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