1-(4-Ethynylphenyl)-1H-pyrazole CAS 1270965-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1270965-28-0 |
| Molecular Formula | C11H8N2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Ethynylphenyl)-1H-pyrazole (CAS 1270965-28-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H8N2. Molecular weight: 168.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H8N2 |
| Molecular Weight | 168.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Ethynylphenyl Standards
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- 1-(2-Ethynylphenyl)-1H-pyrazole (CAS 2228848-05-1)
- 1-(3-Ethynylphenyl)bicyclo[1.1.1]Pentane (CAS 1823936-00-0)
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- N-(4-ethynylphenyl)prop-2-ynamide (CAS 1267622-99-0)
Recommended Standards
- 5-Ethynylquinolin-8-amine (CAS 1273552-18-3)
- 3-(1,5-Dimethyl-1H-pyrazol-3-yl)propanoic acid (CAS 1267133-90-3)
- 6-Fluorobenzo[d]thiazol-5-amine (CAS 127682-36-4)
- 1-Butyl-4-methylpyridinium Bromide (CAS 65350-59-6)
- 2-(Difluoromethyl)-4-iodo-3-methylpyridine-5-carboxylic acid (CAS 1805605-71-3)
- 3,6-Diphenyl-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine (CAS 79074-65-0)
- Triisopropanolamine (mixture of isomer) (CAS 122-20-3)
- 2-(4-Bromo-1H-pyrazol-1-yl)isonicotinonitrile (CAS 1183746-57-7)
- 3-(Difluoromethyl)pyrazin-2-amine (CAS 1785423-85-9)
- 551936-17-5 3JX85UOO24 AIM-102 UNII-3JX85UOO24 (4R)-4-(((2R)-2-Amino-3-cyclohexyl-propanoyl)amino)-5-(carboxymethylamino)-5-oxo-pentanoic acid D-Cyclohexylalanine-D-glutamic-glycine tripeptide Glycine, 3-cyclohexyl-D-alanyl-D-alpha-glutamyl- (CAS 551936-17-5)
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