5-Ethynylnicotinaldehyde CAS 252989-57-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 252989-57-4 |
| Molecular Formula | C8H5NO |
| Molecular Weight | 131.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Ethynylnicotinaldehyde (CAS 252989-57-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H5NO. Molecular weight: 131.13 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H5NO |
| Molecular Weight | 131.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Ethynylnicotinaldehyde Standards
Recommended Standards
- 5-Amino-2-oxopentanoic acid (CAS 2000-59-1)
- 5-methyl-1,3-oxazole-2-carboxylic acid (CAS 45676-69-5)
- 5-(Hydroxymethyl)-3-methyloxazolidin-2-one (CAS 97899-29-1)
- Au Standard Solution (CAS 7440-57-5)
- 2-bromo-1-(3-chloro-2-fluorophenyl)ethan-1-one (CAS 1192313-64-6)
- 4-(2-Chloro-3,4-dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one (CAS 6831-50-1)
- 5-Chloro-8-methyl-3-phenylquinolin-2-amine (CAS 948292-77-1)
- 6-Chloro-5-(difluoromethyl)-2-fluoropyridin-3-ol (CAS 1806932-04-6)
- 2-(Difluoromethyl)-4-hydroxypyridine-3-carboxaldehyde (CAS 1806777-86-5)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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