4-Chloro-1H-pyrazole-3-carbaldehyde CAS 623570-54-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 623570-54-7 |
| Molecular Formula | C4H3ClN2O |
| Molecular Weight | 130.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-1H-pyrazole-3-carbaldehyde (CAS 623570-54-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H3ClN2O. Molecular weight: 130.53 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H3ClN2O |
| Molecular Weight | 130.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 5-Chloro-1H-imidazole-2-carbaldehyde (CAS 1219944-80-5)
- 4-Chloro-2h-pyran-2-one (CAS 129660-02-2)
- 5-Chloro-1H-pyrazole-3-carbaldehyde (CAS 1367702-84-8)
- 2-Chloro-1H-imidazole-5-carbaldehyde (CAS 944900-99-6)
- 4-Chloro-6-hydroxypyrimidine (CAS 4765-77-9)
- 5-Chloro-2-furaldehyde (CAS 21508-19-0)
- 6-Chloro-2H-pyran-2-one (CAS 20357-65-7)
- 2-Chloro-5-hydroxypyrimidine (CAS 4983-28-2)
Recommended Standards
- 3-Chloropyrazine 1-oxide (CAS 6863-76-9)
- 1H-Pyrazole-3-carbonyl chloride (CAS 717871-84-6)
- 5-Chloropyrazin-2(1H)-one (CAS 89180-45-0)
- Methyl 2-amino-3,5-difluoroisonicotinate (CAS 2803703-94-6)
- 3-Isopropyl-5,5-diphenyl-2-thioxooxazolidin-4-one (CAS 88051-58-5)
- N-(4-((2-chlorophenyl)sulfonyl)phenyl)-2,6-difluorobenzamide (CAS 339105-40-7)
- 1-(3,5-Difluorophenyl)-2-nitroethan-1-ol (CAS 869527-92-4)
- n-(M-tolyl)tetrahydro-2h-thiopyran-3-amine (CAS 1340051-23-1)
- Furan-2-yl(4-(6-(methylsulfonyl)benzo[d]thiazol-2-yl)piperazin-1-yl)methanone (CAS 941918-73-6)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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