3-Isoxazolecarboxamide, 5-(1,1-dimethylethyl)- 71433-22-2 CTK2H3710 CAS 71433-22-2
| CAS No. | 71433-22-2 |
| Molecular Formula | C8H12N2O2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 168.19 g/mol gives 3-Isoxazolecarboxamide, 5-(1,1-dimethylethyl)- 71433-22-2 CTK2H3710 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Isoxazolecarboxamide, 5-(1,1-dimethylethyl)- 71433-22-2 CTK2H3710 (CAS 71433-22-2), molecular formula C8H12N2O2 and molecular weight 168.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-Isoxazolecarboxamide, 5-(1,1-dimethylethyl)- 71433-22-2 CTK2H3710 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 168.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 3-Isoxazolecarboxamide, 5-(1,1-dimethylethyl)- 71433-22-2 CTK2H3710 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H12N2O2 |
| Molecular Weight | 168.19 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (3,5-DIMETHOXYPHENYL)METHANOL 3,5-Dimethoxybenzyl alcohol 705-76-0 AS03975 RARECHEM AL BD 0065 (CAS 705-76-0)
- (2,4-DIMETHOXYPHENYL)METHANOL 2,4-Dimethoxybenzyl alcohol 7314-44-5 AS00570 ASISCHEM V71844 OTAVA-BB 1780299 RARECHEM AL BD 0025 (CAS 7314-44-5)
- 3676-85-5 4-Aminophthalimide 1H-Isoindole-1,3(2H)-dione, 5-amino- EINECS 222-948-6 NSC 25173 Phthalimide, 4-amino- (CAS 3676-85-5)
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