4-Amino-3,5-dichloropyridazine CAS 53180-76-0
| CAS No. | 53180-76-0 |
| Molecular Formula | C4H3Cl2N3 |
| Molecular Weight | 163.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Amino-3,5-dichloropyridazine 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.
4-Amino-3,5-dichloropyridazine (CAS 53180-76-0), molecular formula C4H3Cl2N3 and molecular weight 163.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H3Cl2N3, 4-Amino-3,5-dichloropyridazine contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 163.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C4H3Cl2N3 |
| Molecular Weight | 163.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 2-Amino-4,6-dichloropyrimidine-13C2 (CAS 1346605-11-5)
- 4-Amino-2,5-dichloropyrimidine (CAS 89180-51-8)
- 4-Amino-3,6-dichloropyridazine (CAS 823-58-5)
- 4-Amino-5,6-dichloropyrimidine (CAS 310400-38-5)
- 5-Amino-2,4-dichloropyrimidine (CAS 5177-27-5)
- 5-Amino-3,3-difluoropiperidine-2,6-dione (CAS 2151858-58-9)
- 6-Amino-5-nitronicotinonitrile (CAS 1003711-13-4)
- 4-Amino-5-nitronicotinonitrile (CAS 1202780-80-0)
Recommended Standards
- 4,5-Dichloropyrimidin-2-amine (CAS 403854-21-7)
- 4,5-Dichloropyridin-2(1H)-one (CAS 856965-66-7)
- 5,6-Dichloro-2(1H)-pyridinone (CAS 24525-63-1)
- 3,6-Dichloropyridin-2(1H)-one (CAS 57864-39-8)
- 4-(Nitromethyl)phthalazin-1-ol (CAS 49546-81-8)
- 2-chloro-4-iodo-6-methylphenol (CAS 1630906-44-3)
- 2,4,6-Tris(methylthio)-1,3,5-triazine (CAS 5759-58-0)
- 4,4,5,5-Tetramethyl-2-(2-phenylcyclopropyl)-1,3,2-dioxaborolane (CAS 902757-46-4)
- 5,6-Dimethyl-2-(sulfanylmethyl)-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 736948-79-1)
- Moxifloxacin Impurity 16 (CAS CATO-C4X-107416)
- (1-(2-Aminophenyl)piperidin-3-yl)methanol (CAS 1154252-87-5)
- 3-(2-Chloroacetamido)benzoic acid (CAS 28547-08-2)
- Ethyl 2-(2-chloro-2-phenylacetamido)benzoate (CAS 864932-81-0)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
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