Ethyl5-(4-nitrophenyl)oxazole-4-carboxylate CAS 72030-87-6
| CAS No. | 72030-87-6 |
| Molecular Formula | C12H10N2O5 |
| Molecular Weight | 262.22 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 Ethyl5-(4-nitrophenyl)oxazole-4-carboxylate.
CATO supplies Ethyl5-(4-nitrophenyl)oxazole-4-carboxylate (CAS 72030-87-6), a certified reference material (molecular formula C12H10N2O5, MW 262.22 g/mol) for analytical method development and quality control.
Structurally, Ethyl5-(4-nitrophenyl)oxazole-4-carboxylate (C12H10N2O5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 262.22 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures Ethyl5-(4-nitrophenyl)oxazole-4-carboxylate 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 | C12H10N2O5 |
| Molecular Weight | 262.22 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 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 2-(2-nitrophenyl)oxazole-4-carboxylate (CAS 1220039-55-3)
- Methyl 2-(3-(2-nitrophenyl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1416338-89-0)
- Ethyl 3-(4-nitrophenyl)-1H-1,2,4-triazole-5-carboxylate (CAS 1416338-94-7)
- Ethyl 5-(2-nitrophenyl)-1H-1,2,4-triazole-3-carboxylate (CAS 1416347-70-0)
- Ethyl 5-(4-Nitrophenyl)isoxazole-3-carboxylate (CAS 159670-70-9)
- Ethyl 2-(4-nitrophenyl)oxazole-4-carboxylate (CAS 78979-63-2)
- Ethyl 5-(3-Nitrophenyl)isoxazole-3-carboxylate (CAS 866040-66-6)
- Ethyl 5-(3-nitrophenyl)oxazole-4-carboxylate (CAS 916674-05-0)
Recommended Standards
- Ethyl 8-nitro-4-oxo-3,4-dihydroquinoline-3-carboxylate (CAS 94110-86-8)
- Methyl 3-((3-nitro-1h-1,2,4-triazol-1-yl)methyl)benzoate (CAS 406470-73-3)
- Ethyl 7-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 7248-88-6)
- N-(2-methoxyphenyl)-4-nitro-1H-pyrazole-5-carboxamide (CAS 360573-15-5)
- 2-(Methylamino)pyrimidine-4-carbaldehyde hydrochloride (CAS 2249723-18-8)
- Allyl(3-chloro-5-fluorophenyl)sulfane (CAS 1379342-76-3)
- Fluphenazine Enanthate (CAS 2746-81-8)
- 1-Ethyl-5-hydroxy-1H-1,2,3-triazole-4-carboxamide (CAS 765241-11-0)
- 1,2,3-Trifluoro-5-isocyanatobenzene (CAS 869285-47-2)
- 2-Bromo-N-(cyanomethyl)benzamide (CAS 143183-01-1)
- 2-(6-Formyl-1H-indol-1-yl)acetic acid (CAS 952934-01-9)
- 1-(2,2-Difluoroethyl)-1h-indazol-6-amine (CAS 1183041-97-5)
- rac-[(1R,2S,4R)-7-oxabicyclo[2.2.1]heptan-2-yl]methanamine (CAS 2059907-99-0)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
Why CATO?
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