3-(pyrimidin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one CAS 1184003-44-8
| CAS No. | 1184003-44-8 |
| Molecular Formula | C6H4N4O2 |
| Molecular Weight | 164.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 164.12 g/mol gives 3-(pyrimidin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(pyrimidin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 1184003-44-8) is a high-purity analytical reference standard with the molecular formula C6H4N4O2 and a molecular weight of 164.12 g/mol.
3-(pyrimidin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (C6H4N4O2) 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 3-(pyrimidin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one 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 | C6H4N4O2 |
| Molecular Weight | 164.12 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- [3,3'-Biisoxazole]-5-carbaldehyde (CAS 117883-37-1)
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- Oxazolo[5,4-c]pyridine-4-carboxylic acid (CAS 1159830-77-9)
- 4-Amino-5-nitronicotinonitrile (CAS 1202780-80-0)
- 1,2-Dimethylcyclopropane-1,2-dicarboxylic acid (CAS 89898-46-4)
- tert-Butyl 2-bromo-7-iodo-5H-pyrrolo[2,3-b]pyrazine-5-carboxylate (CAS 1313008-84-2)
- 6-Benzyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2(1H)-one (CAS 601514-58-3)
- N-(3-(Prop-2-yn-1-yl)naphtho[2,1-d]thiazol-2(3H)-ylidene)propionamide (CAS 868674-38-8)
- 1-(But-3-yn-1-yloxy)-3-fluorobenzene (CAS 1339071-19-0)
- N-(4-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)ethanamine (CAS 2096330-37-7)
- 4,5-Dimethyl-2-methoxybenzaldehyde (CAS 86582-31-2)
- (3-(4-Bromophenyl)-5-methylisoxazol-4-yl)methanol (CAS 1159981-17-5)
- Methyl 5-Bromo-6-fluoroindole-2-carboxylate (CAS 2006277-60-5)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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