5-Chloro-3,6-difluoropyridin-2-amine CAS 189281-75-2
| CAS No. | 189281-75-2 |
| Molecular Formula | C5H3ClF2N2 |
| Molecular Weight | 164.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H3ClF2N2, 5-Chloro-3,6-difluoropyridin-2-amine contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 164.54 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.
5-Chloro-3,6-difluoropyridin-2-amine (CAS 189281-75-2), molecular formula C5H3ClF2N2 and molecular weight 164.54 g/mol, is a CATO reference standard with documented purity and traceability.
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 5-Chloro-3,6-difluoropyridin-2-amine 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 | C5H3ClF2N2 |
| Molecular Weight | 164.54 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.) | 2011 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-3,4-difluorophenol (CAS 1159512-40-9)
- 2-Chloro-4-(difluoromethyl)pyrimidine (CAS 1261629-31-5)
- 4-Chloro-2,3-difluorophenol (CAS 1261634-63-2)
- 4-Chloro-6-(difluoromethyl)pyrimidine (CAS 1261737-05-6)
- 2-Chloro-5-(difluoromethyl)pyrimidine (CAS 1261869-28-6)
- 4-Chloro-2,6-difluorophenol (CAS 164790-68-5)
- 6-Chloro-2,3-difluorophenol (CAS 186590-18-1)
- 2-Chloro-3,5-difluorophenol (CAS 206986-81-4)
Recommended Standards
- 2-Chloro-3,5-difluoropyridin-4-amine (CAS 2757677-93-1)
- 2-Chloro-4,5-difluorophenol (CAS 2267-98-3)
- 2-Chloro-4,6-difluorophenol (CAS 2267-99-4)
- 2-Choro-3,6-difluorophenol (CAS 261762-50-9)
- Methyl (E)-3-oxo-5-phenylpent-4-enoate (CAS 51081-29-9)
- 2-Methoxy-1-(4-(methylsulfonyl)phenyl)ethan-1-one (CAS 1596988-99-6)
- Ethyl 6-bromo-5-hydroxy-2-(2-hydroxyethyl)-1-methyl-1H-indole-3-carboxylate (CAS 1704066-48-7)
- 7-Hydroxy-21-(phosphonooxy)pregn-4-ene-3,11,20-trione Sodium Salt (CAS 5914-96-5)
- 6-(4-Methoxyphenyl)-13,15-dioxa-5,9-diazatetracyclo[8.7.0.0^{2,7}.0^{12,16}]heptadeca-1(10),2(7),3,5,8,11,16-heptaene (CAS 900019-18-3)
- Phenyl-d (CAS 83286-56-0)
- 3-(Aminomethyl)pyridin-2(3H)-one (CAS 2703905-61-5)
- tert-butyl N-[2-(spiro[2.3]hexan-2-ylamino)cyclopentyl]carbamate (CAS 2297933-26-5)
- Chloroiodomethane (stabilized with Copper chip) (CAS 593-71-5)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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