2-Ethynylpyrimidine-5-carbaldehyde CAS 1196157-01-3
| CAS No. | 1196157-01-3 |
| Molecular Formula | C7H4N2O |
| Molecular Weight | 132.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethynylpyrimidine-5-carbaldehyde (CAS 1196157-01-3), molecular formula C7H4N2O and molecular weight 132.12 g/mol, is a CATO reference standard with documented purity and traceability.
2-Ethynylpyrimidine-5-carbaldehyde (C7H4N2O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Ethynylpyrimidine-5-carbaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O |
| Molecular Weight | 132.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Related Ethynylpyrimidine Standards
- 5-Ethynylpyrimidine-2,4-diamine (CAS 1392129-78-0)
- 5-Ethynylpyrimidine-2-carboxylic acid (CAS 1240606-56-7)
- 5-Ethynylpyrimidine-4-carboxylic acid (CAS 1850421-85-0)
- 2-Ethynylpyrimidine (CAS 37972-24-0)
- 4-Ethynylpyrimidine (CAS 1196146-58-3)
- 5-Ethynylpyrimidine (CAS 153286-94-3)
- Methyl 5-ethynylpyrimidine-2-carboxylate (CAS 1196153-35-1)
- methyl 2-ethynylpyrimidine-5-carboxylate (CAS 1196146-17-4)
Recommended Standards
- 4-Cyanopyridine-2-carboxaldehyde (CAS 116308-38-4)
- 3-Formylisonicotinonitrile (CAS 1211582-43-2)
- 1-Methoxy-N-methyl-2-nitroethenamine (CAS 110763-36-5)
- Ethyl (E)-2-amino-2-(hydroxyimino)acetate (CAS 1217428-98-2)
- 1-(oxetan-3-yl)ethan-1-one (CAS 1507872-90-3)
- Methyl (2S,4S)-4-[4-(trifluoromethoxy)phenoxy]-2-pyrrolidinecarboxylate (CAS 774576-25-9)
- 6-Chloro-n4-phenylpyrimidine-4,5-diamine (CAS 41259-65-8)
- 5-[3-(2H-1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-3-(3,4,5-trimethoxyphenyl)-1,2,4-oxadiazole (CAS 1775535-60-8)
- [S(R)]-N-[(R)-3,5-Bis(trifluoromethyl)phenyl][2-(dicyclohexylphosphanyl)phenyl]-N,2-dimethyl-2-propanesulfinamide (CAS 2565792-86-9)
- Methyl 3-methyl-1H-indole-2-carboxylate (CAS 104711-29-7)
- Ethyl 2,5-difluorobenzoylformate (CAS 1049131-01-2)
- 1-Ethyl-4-((1-methyl-1H-pyrazol-4-yl)ethynyl)-1H-pyrazole-3-carboxylic acid (CAS 1708199-43-2)
- (R)-1-(Furan-2-yl)pentan-1-amine (CAS 781611-07-2)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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 18665070610 / Nicole.chen@cato-chem.com