(R)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol CAS 187235-13-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 187235-13-8 |
| Molecular Formula | C6H7N3O4 |
| Molecular Weight | 185.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(R)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol (CAS 187235-13-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7N3O4. Molecular weight: 185.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 2010 |
| Nitrogen Atoms | 3 |
Recommended Standards
- (S)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol (CAS 187235-08-1)
- 3,6-Dimethoxy-4-nitropyridazine (CAS 1881320-92-8)
- 6-(trifluoromethyl)-1,4-oxazepan-6-ol (CAS 1824048-41-0)
- Cis-4,5-diphenyl-3-(phenylsulfonyl)-4,5-dihydroisoxazole (CAS 85355-67-5)
- (3S)-2-Methylpentan-3-ol (CAS 70492-65-8)
- 7-(Trifluoromethoxy)quinolin-4(1H)-one (CAS 2190483-80-6)
- Cycloheptanecarbohydrazide (CAS 25774-75-8)
- (11bS)-4-Hydroxy-9,14-dioctyl-2,6-bis(2,4,6-tricyclohexylphenyl)-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 1803182-38-8)
- Ac-VEHD-AFC (CAS 1135418-22-2)
- Semaglutide-d15 (CAS 910463-68-2(non-labelled))
Why CATO?
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