1-Allyl-3-cyclopropyl-1H-pyrazole-5-carboxylic acid CAS 1239737-42-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239737-42-8 |
| Molecular Formula | C10H12N2O2 |
| Molecular Weight | 192.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-Allyl-3-cyclopropyl-1H-pyrazole-5-carboxylic acid (CAS 1239737-42-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H12N2O2. Molecular weight: 192.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H12N2O2 |
| Molecular Weight | 192.21 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 DMSO, DMF, methanol |
| 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 |
Recommended Standards
- 3-Nitro-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridine (CAS 123792-59-6)
- 2,2-Dimethyl-2,3-dihydrobenzofuran-6-carboxylic Acid (CAS 123656-36-0)
- Spiro[chromane-2,3'-oxetan]-4-ol (CAS 1242267-65-7)
- N-(3-cyano-4-((3-(trifluoromethyl)phenyl)thio)phenyl)-3-methoxybenzamide (CAS 477866-69-6)
- 4-(Trifluoromethyl)quinoline (CAS 25199-77-3)
- Febuxostat Impurity 9 (CAS 1330632-48-8)
- methyl 5-chlorosulfonylpyridine-3-carboxylate (CAS 594839-14-2)
- Fluoropyrrolidine Impurity 3 (CAS CATO-C4X-31803)
- N-(3,4-Dichlorophenyl)-6-methyl-4-oxo-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxamide (CAS 1396855-41-6)
- Peptide Impurity 15 (CAS 1227750-69-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com