4,6-Dichloropyridazine-3-carbonitrile CAS 35857-90-0
| CAS No. | 35857-90-0 |
| Molecular Formula | C5HCl2N3 |
| Molecular Weight | 173.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,6-Dichloropyridazine-3-carbonitrile is closely related to a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,6-Dichloropyridazine-3-carbonitrile (CAS 35857-90-0), molecular formula C5HCl2N3 and molecular weight 173.99 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5HCl2N3, 4,6-Dichloropyridazine-3-carbonitrile contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 173.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,6-Dichloropyridazine-3-carbonitrile 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 | C5HCl2N3 |
| Molecular Weight | 173.99 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloropyridazine Standards
- 3,6-Dichloropyridazine-4-carbonitrile (CAS 35857-93-3)
- 4,5-Dichloropyridazine-3,6-diol (CAS 6641-32-3)
- 3,6-dichloropyridazine 1-oxide (CAS 25974-26-9)
- 4,6-Dichloropyridazine-3-carboxamide (CAS 1609394-50-4)
- 3,6-Dichloropyridazine-4-carboxamide (CAS 27427-66-3)
- 3,4-dichloropyridazine (CAS 1677-80-1)
- 4,6-Dichloropyridazine-3-carboxylic Acid (CAS 1040246-87-4)
- 3,6-Dichloropyridazine-1,2-<SUP>15</SUP>N<SUB>2</SUB>, 3,6-<SUP>13</SUP>C<SUB>2</ SUB> (CAS 1173020-62-6)
Recommended Standards
- 4,6-Dichloropyrimidine-5-carbonitrile (CAS 5305-45-3)
- 3,5-Dichloropyrazine-2-carbonitrile (CAS 313339-92-3)
- Favipiravir Impurity 5 (CAS 356783-16-9)
- 2,6-Dichloropyrimidine-4-carbonitrile (CAS 26293-93-6)
- 4-Hydroxy-3-nitro-1-phenylquinolin-2(1H)-one (CAS 54675-12-6)
- 4-(bromomethyl)pyridine (CAS 54751-01-8)
- 2-((3-Methoxybenzyl)amino)acetonitrile (CAS 63086-27-1)
- 3-(2-chlorophenyl)-4-(propan-2-yl)-4H-1,2,4-triazole (CAS 1548796-53-7)
- N-(4-(1-(3-amino-4-methylphenyl)-2-oxo-1,2-dihydrobenzo[h][1,6]naphthyridin-9-yl)phenyl)methanesulfonamide (CAS 1431510-29-0)
- 2-(2-Methoxy-5-(pentafluoro-lambda6-sulfanyl)phenyl)acetic acid (CAS 1240257-85-5)
- Shikimic Acid Impurity 9 (CAS 2922-42-1)
- 1-((4-Chlorophenyl)sulfonyl)-4-(phenylsulfonyl)piperidine (CAS 1448056-66-3)
- 1-(5-Chloro-3-fluoropyridin-2-yl)ethan-1-amine (CAS 1384264-43-0)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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