2-(4-Nitrophenyl)oxazolo[5,4-d]pyrimidin-7-ol CAS 937600-39-0
| CAS No. | 937600-39-0 |
| Molecular Formula | C11H6N4O4 |
| Molecular Weight | 258.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 258.19 g/mol gives 2-(4-Nitrophenyl)oxazolo[5,4-d]pyrimidin-7-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(4-Nitrophenyl)oxazolo[5,4-d]pyrimidin-7-ol (CAS 937600-39-0), a certified reference material (molecular formula C11H6N4O4, MW 258.19 g/mol) for analytical method development and quality control.
2-(4-Nitrophenyl)oxazolo[5,4-d]pyrimidin-7-ol (C11H6N4O4) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-(4-Nitrophenyl)oxazolo[5,4-d]pyrimidin-7-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 | C11H6N4O4 |
| Molecular Weight | 258.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
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- 4-Nitrophenyl phenylcarbamate (CAS 6320-72-5)
- Bis(2-nitrophenyl)methane (CAS 21540-57-8)
- Methyl 6-(3-nitrophenyl)pyridine-2-carboxylate (CAS 252921-23-6)
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Recommended Standards
- 2-((Dimethoxyphosphoryl)thio)succinic acid (CAS 95326-06-0)
- 2,3,4,5,6-Pentafluoro-3'-methyl-1,1'-biphenyl (CAS 890-02-8)
- 1-Benzyl-2,5-bis(chloromethyl)pyrrolidine (CAS 3575-64-2)
- 2,4-Dichloro-N-(2-methylhex-5-en-3-yl)aniline (CAS 905909-00-4)
- 3,5-Difluoro-2-phenylpyridine (CAS 511522-79-5)
- 4-(4-Chlorophenyl)-3-((2,6-difluorobenzyl)thio)-5-(4-methoxyphenyl)-4H-1,2,4-triazole (CAS 578005-10-4)
- 3-Chloro-5-(difluoromethyl)picolinic acid (CAS 1386986-40-8)
- 3,4,5-Trifluorobenzene-1-sulfonyl fluoride (CAS 115561-02-9)
- N-(3-methoxybenzyl)-1-(pyridin-2-yl)methanamine (CAS 880812-56-6)
- 4-Amino-3-fluoro-5-iodobenzamide (CAS 1628604-95-4)
- 1,2-Dimethyl-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid (CAS 2330941-64-3)
- [2-(4-Chlorophenyl)ethyl](3-nitrobenzyl)amine hydrobromide (CAS 1609400-30-7)
- Fluticasone Impurity 54 (CAS 4571-51-1)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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