4-Cyclopropoxy-3-nitro-3,4-dihydropyridine-2-carboxylic acid CAS 1243364-79-5
| CAS No. | 1243364-79-5 |
| Molecular Formula | C9H10N2O5 |
| Molecular Weight | 226.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Cyclopropoxy-3-nitro-3,4-dihydropyridine-2-carboxylic acid.
4-Cyclopropoxy-3-nitro-3,4-dihydropyridine-2-carboxylic acid (CAS 1243364-79-5), molecular formula C9H10N2O5 and molecular weight 226.19 g/mol, is a CATO reference standard with documented purity and traceability.
4-Cyclopropoxy-3-nitro-3,4-dihydropyridine-2-carboxylic acid (C9H10N2O5) 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 manufactures 4-Cyclopropoxy-3-nitro-3,4-dihydropyridine-2-carboxylic acid 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 | C9H10N2O5 |
| Molecular Weight | 226.19 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Cyclopropoxy Standards
- 4-Cyclopropoxy-2-(methylthio)-5-nitropyridine (CAS 1243397-08-1)
- 3-Cyclopropoxy-2-(methylthio)-4-nitropyridine (CAS 1243397-14-9)
- 4-Cyclopropoxy-2-(methylthio)-6-nitropyridine (CAS 1243397-35-4)
- 5-Cyclopropoxy-2-(methylthio)-3-nitropyridine (CAS 1243398-11-9)
- 3-Cyclopropoxy-4-(methylthio)-5-nitropyridine (CAS 1243441-78-2)
- 3-Cyclopropoxy-6-(methylthio)-2-nitropyridine (CAS 1243442-71-8)
- 4-Cyclopropoxy-3-(methylthio)-5-nitropyridine (CAS 1243453-10-2)
- 5-Cyclopropoxy-4-(methylthio)-2-nitropyridine (CAS 1243459-37-1)
Recommended Standards
- (R)-2-Amino-2-(2-methoxy-4-nitrophenyl)acetic acid (CAS 1213935-65-9)
- 8-(Trifluoromethyl)-1,4-dioxaspiro[4.5]Decan-8-ol (CAS 1248081-37-9)
- (E)-6-(2-(dimethylamino)vinyl)-5-nityopyrimidine-2,4-diol (CAS 116705-41-0)
- Methyl 4-Amino-3-methoxy-5-nitrobenzoate (CAS 1260793-40-5)
- ethyl 2-cyclopropyl-4-oxo-1,4-dihydropyrimidine-5-carboxylate hydrochloride (CAS 1797949-27-9)
- Metolachlor (CAS 51218-45-2)
- 2-((2-Bromoallyl)(methyl)amino)-2-methylpropan-1-ol (CAS 1355701-31-3)
- 1-(9H-carbazol-9-yl)-3-chloropropan-2-ol (CAS 61941-29-5)
- Nitisinone-13C6 (CAS 1246815-63-3)
- N-(5-(5-(4-acetylpiperazine-1-carbonyl)-4-methoxy-2-methylphenylthio)thiazol-2-yl)-4-(chloromethyl)benzamide (CAS 439578-99-1)
- 3-Amino-5-chloro-2-fluorobenzoic acid (CAS 1339070-81-3)
- 6-(3-Fluorophenyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 33297-99-3)
- 5-(Pyridin-3-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152539-87-1)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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