Ethyl 4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine-2-carboxylate CAS 1279819-22-5
| CAS No. | 1279819-22-5 |
| Molecular Formula | C9H12N2O3 |
| Molecular Weight | 196.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 196.20 g/mol gives Ethyl 4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine-2-carboxylate (CAS 1279819-22-5), molecular formula C9H12N2O3 and molecular weight 196.20 g/mol, is a CATO reference standard with documented purity and traceability.
Ethyl 4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine-2-carboxylate (C9H12N2O3) 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.
As a certified reference material (CRM), Ethyl 4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine-2-carboxylate 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 | C9H12N2O3 |
| Molecular Weight | 196.20 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 2-Phenyl-4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine (CAS 944897-09-0)
- 2-Phenyl-4,5,6,7-tetrahydrooxazolo[5,4-c]pyridine (CAS 885272-73-1)
- Methyl 4,5,6,7-tetrahydrooxazolo[4,5-c]pyridine-2-carboxylate (CAS 944897-24-9)
- 2-Propyl-4,5,6,7-tetrahydrooxazolo[5,4-c]pyridine (CAS 885273-11-0)
- 2-Ethyl-4,5,6,7-tetrahydrooxazolo[5,4-c]pyridine (CAS 885272-75-3)
- 2-Methyl-4,5,6,7-tetrahydrooxazolo[5,4-c]pyridine (CAS 886371-60-4)
- 4,5,6,7-Tetrahydrooxazolo[5,4-c]pyridine (CAS 1260383-75-2)
- 4,5,6,7-Tetrahydrooxazolo[4,5-c]pyridine (CAS 944903-60-0)
Recommended Standards
- (2s)-3-(Benzyloxy)-2-hydroxypropanoic acid (CAS 127744-27-8)
- 2-Methoxy-N-(2-methoxypyridin-3-yl)acetamide (CAS 1280865-47-5)
- 2-Amino-2-(3-nitrophenyl)propan-1-ol (CAS 1270385-54-0)
- 3-hydroxy-N-(3-hydroxypropyl)pyridine-2-carboxamide (CAS 1281691-37-9)
- SHP 244 (CAS 902891-37-6)
- 4-{3h-imidazo[4,5-c]pyridin-2-yl}aniline (CAS 75007-95-3)
- (S)-3-Methyl-2-(3-oxobenzo[d]isothiazol-2(3H)-yl)butanoic acid (CAS 203798-30-5)
- Tri-Sec-butylborane (CAS 1113-78-6)
- Isoindolin-5-amine sulfate (CAS 4633-01-6)
- tert-Butyl 4-carbamoyl-5,6-dihydropyridine-1(2H)-carboxylate (CAS 291539-61-2)
- 3-((4-Acetylphenyl)amino)-5,5-dimethylcyclohex-2-en-1-one (CAS 1022455-35-1)
- Cefditoren Impurity 21 (CAS CATO-C4X-135821)
- Rosuvastatin Impurity 156 (CAS CATO-C4X-1169156)
- Tirzepatide (CAS 2023788-19-2)
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