5-ethynylpyridine-2-carbaldehyde CAS 940911-03-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 940911-03-5 |
| Molecular Formula | C8H11NO |
| Molecular Weight | 137.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-ethynylpyridine-2-carbaldehyde (CAS 940911-03-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H11NO. Molecular weight: 137.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H11NO |
| Molecular Weight | 137.18 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related ethynylpyridine Standards
- 5-ethynylpyridine-2-carbonitrile (CAS 1211584-19-8)
- 5-Ethynylpyridine-2-methanol (CAS 1033705-77-9)
- 3-Ethynylpyridine-2,6-diamine (CAS 936342-42-6)
- 2-Ethyl-4-ethynylpyridine (CAS 1215782-60-7)
- 4-Ethyl-3-ethynylpyridine (CAS 1824203-59-9)
- 2-Ethyl-6-ethynylpyridine (CAS 676343-10-5)
- 4-Ethyl-2-ethynylpyridine (CAS 512197-93-2)
- 5-ethynylpyridine-3-carboxamide (CAS 1256818-70-8)
Recommended Standards
- 5-Ethyl-N-methylpyrimidin-4-amine (CAS 52698-54-1)
- 5H,6H,7H,8H,9H-Imidazo[1,2-a][1,3]diazepine (CAS 67139-25-7)
- 5-Ethyl-N-methylpyrimidin-2-amine (CAS 90008-44-9)
- 2-Chloro-N-(3-cyanophenyl)acetamide (CAS 218288-43-8)
- 5-Chloro-2-(difluoromethoxy)pyridine (CAS 1214323-40-6)
- 8-Bromoquinoline-3,4-diamine (CAS 2092335-73-2)
- 3-Amino-3-(3-chlorophenyl)propionic Acid (CAS 68208-21-9)
- (4-Amino-tetrahydro-pyran-4-yl)-aziridin-1-yl-methanone (CAS 2408429-55-8)
- 39801-14-4 Photomirex 1,2,3,4,5,5,6,7,9,10,10- Undecachloropentacyclo(5.3.0.0.0.0)decane 1,3,4-Metheno-1H-cyclobuta(cd)pentalene, 1,1a,2,2,3,3a,4,5,5,5a,5-undecachlorooctahydro- 1,3,4-Metheno-1H-cyclobuta(cd)pentalene, 1,1a,2,2,3,3a,4,5,5,5a,5b-undecachlorooctahydro- Hydromirex 8-Monohydro mirex 1,2,3,4,5,5,6,7,9,10,10-Undecachloropentacyclo(5.3.0.0(sup 2,6).0(sup 3,9).0(sup 4,8))decane (CAS 39801-14-4)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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