2-Methyl-6-nitro-2,3-dihydroimidazo[2,1-b]oxazole CAS 73332-75-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73332-75-9 |
| Molecular Formula | C6H7N3O3 |
| Molecular Weight | 169.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-6-nitro-2,3-dihydroimidazo[2,1-b]oxazole (CAS 73332-75-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7N3O3. Molecular weight: 169.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7N3O3 |
| Molecular Weight | 169.14 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.) | 1977 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 1-(1-Methyl-4-nitro-1h-pyrazol-5-yl)ethan-1-one (CAS 1006437-81-5)
- 1-Methyl-4-nitro-1h-pyrrole-2-carboxamide (CAS 13138-77-7)
- 1-(3-Nitro-1H-pyrazol-1-yl)propan-2-one (CAS 131394-08-6)
- 2-Nitro-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine (CAS 1333508-92-1)
- 1-(1-methyl-3-nitro-1H-pyrazol-5-yl)ethan-1-one (CAS 1368382-45-9)
- 4-Nitro-1-(oxiran-2-ylmethyl)-1h-pyrazole (CAS 137079-02-8)
- 1-(1-Methyl-4-nitro-1h-pyrazol-3-yl)ethan-1-one (CAS 137890-10-9)
- 4-Nitro-1-(oxetan-3-yl)-1H-pyrazole (CAS 1393100-37-2)
Recommended Standards
- 2-Methyl-5-nitropyrimidine-4,6-diamine (CAS 3346-21-2)
- 2-Nitro-p-anisidine- (CAS 873990-80-8)
- 2-Methyl-5-nitro-2,3-dihydroimidazo[2,1-b]oxazole (CAS 73332-79-3)
- 3-Amino-3-(2,3-dichlorophenyl)propanenitrile hydrochloride (CAS 2750144-42-2)
- (5E)-3-(2-Aminoethyl)-5-{[4-(difluoromethoxy)-3-methoxyphenyl]methylidene}-1,3-thiazolidine-2,4-dione hydrochloride (CAS 1173467-30-5)
- 1-Benzyl-6-tosyl-1,6-diazaspiro[3.3]Heptan-3-amine (CAS 1349199-73-0)
- 3-(2-Aminoethyl)-1h-indol-4-amine (CAS 55206-23-0)
- 4-Iodo-1H-pyrazol-1-amine (CAS 1706448-04-5)
- 6,7-Difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 144216-11-5)
- (Leu31,Pro3?)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 125580-28-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com