1-Butyl-5-chloro-3-methyl-1h-pyrazole-4-carbaldehyde CAS 956977-55-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956977-55-2 |
| Molecular Formula | C9H13ClN2O |
| Molecular Weight | 200.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Butyl-5-chloro-3-methyl-1h-pyrazole-4-carbaldehyde (CAS 956977-55-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H13ClN2O. Molecular weight: 200.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H13ClN2O |
| Molecular Weight | 200.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- 6-chloro-1-N-(2-methoxyethyl)benzene-1,2-diamine (CAS 1040083-79-1)
- 4-Chloro-N-isobutyl-1H-pyrrole-2-carboxamide (CAS 1089620-09-6)
- 4-Chloro-N,N-dimethyl-6-propan-2-yl-1,3,5-triazin-2-amine (CAS 1139245-78-5)
- 2-Chloro-1-(4-(prop-2-yn-1-yl)piperazin-1-yl)ethan-1-one (CAS 1179509-01-3)
- 6-Chloro-N2,N2,N4,N4-tetramethyl-2,4-pyrimidinediamine (CAS 1202-22-8)
- 2-[(6-Chloro-2-pyridinyl)amino]-2-methyl-1-propanol (CAS 1219963-87-7)
- 4-[(6-Chloro-2-pyridinyl)amino]-2-butanol (CAS 1220028-34-1)
- N1-(6-Chloro-4-pyrimidinyl)-N2,N2-dimethyl-1,2-ethanediamine (CAS 1220028-66-9)
Recommended Standards
- [1,1'-Biphenyl]-4-yl(cyclohexyl)methanone (CAS 67035-92-1)
- 1-tert-Butyl-5-methyl-1H-pyrazole-3-carbonyl chloride (CAS 306936-94-7)
- 6-Chloro-N4-isobutylpyrimidine-4,5-diamine (CAS 195252-59-6)
- N-[Amino(imino)methyl]-2-methylindoline-1-carboximidamide (CAS 326010-70-2)
- Succinic Acid-d6 (CAS 21668-90-6)
- Methyl Methanesulfonate (CAS 66-27-3)
- 3-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-5-amine (CAS 2310267-41-3)
- Ammonium benzenesulfonate (CAS 19402-64-3)
- Thiosemicarbazide (CAS 79-19-6)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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