5-(Ethoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid CAS 512809-16-4
| CAS No. | 512809-16-4 |
| Molecular Formula | C8H10N2O4 |
| Molecular Weight | 198.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 5-(Ethoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 512809-16-4), a certified reference material (molecular formula C8H10N2O4, MW 198.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H10N2O4, 5-(Ethoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-(Ethoxycarbonyl)-1-methyl-1H-pyrazole-3-carboxylic acid 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 | C8H10N2O4 |
| Molecular Weight | 198.18 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.) | 1984 |
| Nitrogen Atoms | 2 |
Related Ethoxycarbonyl Standards
- 3-(Ethoxycarbonyl)-1-methyl-1h-pyrazole-4-carboxylic acid (CAS 1174830-89-7)
- 5-(Ethoxycarbonyl)-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 1174886-97-5)
- [4-(Ethoxycarbonyl)-1H-pyrazol-1-yl]acetic acid (CAS 611238-76-7)
- 3-(Ethoxycarbonyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 199480-36-9)
- 4-(Ethoxycarbonyl)-1-methyl-1h-pyrazole-3-carboxylic acid (CAS 21272-38-8)
- (S)-3-(Ethoxycarbonyl)-1-methylcyclopent-3-enecarboxylic acid (CAS 2786657-24-5)
- 1-(Ethoxycarbonyl)spiro[2.3]hexane-5-carboxylic acid (CAS 2138521-86-3)
- (4-(Ethoxycarbonyl)cyclohex-1-en-1-yl)boronic acid (CAS 1443112-50-2)
Recommended Standards
- 5-(5-Formylfuran-2-yl)nicotinonitrile (CAS 577975-32-7)
- 5,6-Dihydroxy-2-isopropyl-pyrimidine-4-carboxylic acid (CAS 954241-05-5)
- 5-(2-Methoxyethoxy)pyrazine-2-carboxylic acid (CAS 710322-69-3)
- 5-Acetyl-1-(2-hydroxyethyl)pyrimidine-2,4(1H,3H)-dione (CAS 338404-88-9)
- 6-Amino-2-chloro-3-fluorobenzoic Acid (CAS 681459-97-2)
- Cyclo(-Gly-Tyr(PO3H2)-Val-Pro-Met-Leu) (CAS 158778-21-3)
- 1242878-03-0 3-[4-(4-Methylbenzyl)-2,3-dioxopiperazin-1-yl]propanoic acid MFCD15732385 (CAS 1242878-03-0)
- 4-(Oxetan-3-yloxy)picolinic acid (CAS 1393330-52-3)
- Glyceryl 1-Monoundecylenate (CAS 62285-15-8)
- [4'-(Methylsulfanyl)[1,1'-biphenyl]-4-yl]methanol (CAS 885965-20-8)
- thieno[3,2-c]pyridine-4-carboxylic acid (CAS 1140239-91-3)
- 2-(4-(Aminomethyl)-2-(difluoromethyl)-5-hydroxypyridin-3-yl)acetic acid (CAS 1805621-65-1)
- bis(2-hydroxyethyl-1,1,2,2 D4) phthalate (CAS CATO-C3D-262653)
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