Ethyl 3-(methoxymethoxy)-1H-pyrazole-4-carboxylate CAS 675149-54-9
| CAS No. | 675149-54-9 |
| Molecular Formula | C8H12N2O4 |
| Molecular Weight | 200.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 200.19 g/mol gives Ethyl 3-(methoxymethoxy)-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 3-(methoxymethoxy)-1H-pyrazole-4-carboxylate (CAS 675149-54-9) is a high-purity analytical reference standard with the molecular formula C8H12N2O4 and a molecular weight of 200.19 g/mol.
Ethyl 3-(methoxymethoxy)-1H-pyrazole-4-carboxylate (C8H12N2O4) 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H12N2O4 |
| Molecular Weight | 200.19 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 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 1,2-Bis(methoxymethoxy)benzene (CAS 3688-89-9)
- 1,3-Bis(methoxymethoxy)benzene (CAS 57234-29-4)
- 1,4-Bis(methoxymethoxy)benzene (CAS 87905-74-6)
- 2-MEthoxymethoxy-4-nitro-phenylamine (CAS 945969-40-4)
- 4-(Methoxymethoxy)-2-nitroaniline (CAS 54029-61-7)
- 5-(Methoxymethoxy)benzo[d][1,3]dioxol-4-ol (CAS 244126-41-8)
- 1-[(Methoxymethoxy)methyl]-3-nitrobenzene (CAS 142509-31-7)
- 3-(4-(Methoxymethoxy)phenyl)propan-1-ol (CAS 74882-15-8)
Recommended Standards
- Ethyl 2-oxo-2-(4-oxooxan-3-yl)acetate (CAS 857177-01-6)
- Ethyl 3-oxo-2-(ureidomethylene)butanoate (CAS 6319-01-3)
- Ethyl 2-Oxo-2-(2-oxotetrahydro-2H-pyran-3-yl)acetate (CAS 61202-99-1)
- Ethyl 7-oxo-2,5-dioxaspiro[3.4]octane-6-carboxylate (CAS 2879218-11-6)
- UDP-Glucosamine (CAS 17479-04-8)
- tert-Butyl 3-((3-methylpyrazin-2-yl)amino)piperidine-1-carboxylate (CAS 1289385-32-5)
- 2-Benzyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (CAS 37799-00-1)
- 4-Chloro-3,3-dimethyl-1,3-dihydro-2H-pyrrolo[3,2-c]pyridin-2-one (CAS 2306268-57-3)
- 2-(5,7-Difluoro-1H-benzo[d]imidazol-2-yl)propan-2-ol (CAS 1499989-25-1)
- 2-Methylthio-6-chloro-9-methylpurine (CAS 40423-35-6)
- 3-Amino-N-ethyl-N-phenyl-4-(2,2,2-trifluoro-ethoxy)-benzenesulfonamide (CAS 380575-05-3)
- 3-Cyclopropoxy-2-(trifluoromethyl)isonicotinonitrile (CAS 1243450-64-7)
- 2-Methoxy-5-(2-cyanophenylacetyl)pyridine (CAS 898785-91-6)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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