2-(4-Chloro-1-isopropyl-1H-pyrazol-5-yl)acetic acid CAS 1328640-55-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1328640-55-6 |
| Molecular Formula | C8H11ClN2O2 |
| Molecular Weight | 202.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(4-Chloro-1-isopropyl-1H-pyrazol-5-yl)acetic acid (CAS 1328640-55-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H11ClN2O2. Molecular weight: 202.64 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H11ClN2O2 |
| Molecular Weight | 202.64 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 DMSO, DMF, methanol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- Methyl 3-(4-chloro-5-methyl-1H-pyrazol-1-yl)propanoate (CAS 1001500-85-1)
- 2-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)acetohydrazide (CAS 1004644-51-2)
- 2-(4-chloro-3-methyl-1h-pyraZol-1-yl)propanohydrazide (CAS 1005582-65-9)
- 3-(4-chloro-1h-pyraZol-1-yl)-2-methylpropanohydrazide (CAS 1005585-80-7)
- Methyl 3-(4-chloro-1h-pyrazol-1-yl)-2-methylpropanoate (CAS 1005650-86-1)
- 2-(4-chloro-1h-pyraZol-1-yl)butanohydrazide (CAS 1005699-87-5)
- (1E)-3-(4-chloro-1H-pyrazol-1-yl)-N'-hydroxy-2-methylpropanimidamide (CAS 1006360-94-6)
- 1-Butyl-4-chloro-1h-pyrazole-3-carboxylic acid (CAS 1006451-25-7)
Recommended Standards
- 6-Chloro-9H-pyrido[2,3-b]indole (CAS 13174-91-9)
- Ethyl 4-chloro-1-ethyl-1h-pyrazole-3-carboxylate (CAS 1328640-60-3)
- Loline Impurity 2 (CAS 1315552-05-6)
- Methyl 3-aminobicyclo[2.2.2]octane-2-carboxylate hydrochloride (CAS 2231674-80-7)
- 6-((5-((2-(Azepan-1-yl)-2-oxoethyl)thio)-4-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)methyl)pyrimidine-2,4(1H,3H)-dione (CAS 852152-82-0)
- 1-(3-Bromobut-3-en-1-yl)-2-methylbenzene (CAS 6502-17-6)
- 1,3-Dioleoylglycerol (CAS 2465-32-9)
- 3-Chloro-N-cyclobutyl-4-methylaniline (CAS 1247373-45-0)
- Atrasentan Impurity 207 (CAS CATO-C4X-3347207)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com