ethyl 3-[(3-nitro-1H-pyrazol-1-yl)methyl]-1,2,4-oxadiazole-5-carboxylate CAS 956729-63-8
| CAS No. | 956729-63-8 |
| Molecular Formula | C9H9N5O5 |
| Molecular Weight | 267.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of ethyl 3-[(3-nitro-1H-pyrazol-1-yl)methyl]-1,2,4-oxadiazole-5-carboxylate is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
ethyl 3-[(3-nitro-1H-pyrazol-1-yl)methyl]-1,2,4-oxadiazole-5-carboxylate (CAS 956729-63-8) is a high-purity analytical reference standard with the molecular formula C9H9N5O5 and a molecular weight of 267.20 g/mol.
ethyl 3-[(3-nitro-1H-pyrazol-1-yl)methyl]-1,2,4-oxadiazole-5-carboxylate (C9H9N5O5) 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).
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 ethyl 3-[(3-nitro-1H-pyrazol-1-yl)methyl]-1,2,4-oxadiazole-5-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 | C9H9N5O5 |
| Molecular Weight | 267.20 g/mol |
| Appearance | Pale yellow to 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
Related ethyl Standards
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Recommended Standards
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- Nucleoside-Analog-1 (CAS 876707-99-2)
- 6-[4-(Trifluoromethyl)phenyl]pyridine-2-carboxylic Acid (CAS 924817-68-5)
- tert-Butyl tetrahydro-2H-pyrrolo[3,4-d]isothiazole-5(3H)-carboxylate 1,1-dioxide (CAS 1823230-79-0)
- 5-Bromo-2-chlorophenol (CAS 183802-98-4)
- 3-(o-Tolyl)morpholine (CAS 1017396-48-3)
- Methyl 2-(chlorosulfonyl)-3-methoxybenzoate (CAS 215648-56-9)
- 1-(3-(4-Nitrophenyl)-1,2,4-thiadiazol-5-yl)guanidine (CAS 88541-05-3)
- (3S,4R)-4-(2,5-Dichlorophenyl)pyrrolidine-3-carboxylic acid (CAS 1049978-45-1)
- Methyl 3-(2-Cyanoacetamido)thiophene-2-carboxylate (CAS 549516-71-4)
- Fmoc-N-Me-Thr(tBu)-OH (CAS 117106-20-4)
- tert-Butyl 2-((1H-pyrrolo[2,3-b]pyridin-5-yl)oxy)-4-bromobenzoate (CAS 1628047-84-6)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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