1H-Pyrazole-3-carboxylic acid, 4-nitro-, 2-chloroethyl ester CAS 923283-70-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 923283-70-9 |
| Molecular Formula | C6H6ClN3O4 |
| Molecular Weight | 219.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1H-Pyrazole-3-carboxylic acid, 4-nitro-, 2-chloroethyl ester (CAS 923283-70-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H6ClN3O4. Molecular weight: 219.58 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H6ClN3O4 |
| Molecular Weight | 219.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related H Standards
- 1-(1H-pyrazole-4-sulfonyl)piperidine (CAS 1179789-31-1)
- 1H-pyrazole-3-carboxylic acid, 1-(2-methoxyphenyl) (CAS 1221762-87-3)
- 4,4'-(1H-Pyrazole-3,5-diyl)dipyridine (CAS 129485-58-1)
- 3,3'-(1H-Pyrazole-3,5-diyl)dipyridine (CAS 79476-36-1)
- 1H-Pyrazole-4-carboxaldehyde,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl- 4-Antipyrinecarboxaldehyde 4-Formylantipyrine 950-81-2 Antipyraldehyde Antipyrinaldehyd Antipyrine, 4-formyl- Febranine NSC-60408 NSC60408 (CAS 950-81-2)
- 1-(1H-Pyrazole-3-carbonyl)piperidine-3-carboxylic acid (CAS 1152866-96-0)
- 1-(1H-Pyrazole-3-carbonyl)piperidine-4-carboxylic acid (CAS 1152947-60-8)
- 1-(1H-pyrazole-4-carbonyl)piperidine-3-carboxylic acid (CAS 1154936-36-3)
Recommended Standards
- (5-Nitrofuran-2-yl)methyl 2-chloroacetate (CAS 6628-60-0)
- 2-Chloro-4,6-dimethoxy-5-nitropyrimidine (CAS 478010-54-7)
- (4-Chloro-5-methyl-3-nitro-1H-pyrazol-1-yl)acetic acid (CAS 351996-53-7)
- (2-(Dimethyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)silyl)phenyl)methanol (CAS 947515-75-5)
- (2E)-3-(dimethylamino)-1-(1-ethyl-1h-pyrazol-3-yl)prop-2-en-1-one (CAS 1006352-73-3)
- 2-Chloro-5-[3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl]pyridine (CAS 337920-77-1)
- Dodecyl 2-Dimethylaminopropionate HCl (CAS 259685-49-9)
- 2-(3-Chlorophenyl)-2'-oxospiro[cyclopropane-1,3'-indoline]-5'-carboxylic acid (CAS 1707605-77-3)
- 3-Cyclopropyl-5-oxa-2-azaspiro[3.4]Octan-1-one (CAS 1820687-31-7)
- Tetrapeptide-3 (CAS 827306-97-8)
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