4,5-Dichloro-2-phenylpyridine CAS 77597-91-2
| CAS No. | 77597-91-2 |
| Molecular Formula | C11H7Cl2N |
| Molecular Weight | 224.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4,5-Dichloro-2-phenylpyridine 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.
4,5-Dichloro-2-phenylpyridine (CAS 77597-91-2) is a high-purity analytical reference standard with the molecular formula C11H7Cl2N and a molecular weight of 224.09 g/mol.
Structurally, 4,5-Dichloro-2-phenylpyridine (C11H7Cl2N) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 224.09 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C11H7Cl2N |
| Molecular Weight | 224.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 3,5-Dichloro-2-phenylpyridine (CAS 10469-01-9)
- 2,3-Dichloro-4-phenylpyridine (CAS 1255311-43-3)
- 2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbaldehyde (CAS 1638767-57-3)
- 2,4-Dichloro-3-phenylpyridine (CAS 1807184-32-2)
- 5,7-dichloro-2-methyl-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one (CAS 1824632-67-8)
- 2,6-Dichloro-3-phenylpyridine (CAS 18700-11-3)
- 2,4-Dichloro-6-phenylpyridine (CAS 630424-62-3)
- 2,6-Dichloro-4-phenylpyridine (CAS 25297-51-2)
Recommended Standards
- 3-Nitro-6-(trifluoromethyl)pyridine-2,4-diol (CAS 947144-26-5)
- 5,7-dichloro-3H-pyrido[4,3-d]pyrimidin-4-one (CAS 918898-11-0)
- 2-chloro-6-(2-chlorophenyl)pyridine (CAS 557111-94-1)
- 6-Thiomorpholinopyridine-3-boronic Acid (CAS 928160-85-4)
- (S)-3-Amino-4,4,4-trifluorobutanoic acid (CAS 151871-99-7)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-5-nitro-1H-indazole (CAS 150149-16-9)
- 5-Methoxy-6-methylpicolinonitrile (CAS 324028-92-4)
- 3-(2-Methyl-6-nitrophenyl)propanoic acid (CAS 1805738-03-7)
- 3,3-bis(fluoromethyl)cyclobutan-1-one (CAS 1398570-16-5)
- 1-(5-Ethoxyfuran-2-yl)ethan-1-one (CAS 2126176-80-3)
- N-[2-(Pyridin-3-yl)pyrimidin-4-yl]-3,5-bis(trifluoromethyl)benzamide (CAS 866143-29-5)
- Methyl 4-(3-oxoprop-1-en-1-yl)benzoate (CAS 73166-52-6)
- 4-(3-Bromopropoxy)benzonitrile (CAS 37136-86-0)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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