4-amino-2,3,5,6-tetrafluoropyridine CAS 1682-20-8
| CAS No. | 1682-20-8 |
| Molecular Formula | C5H8F4N2 |
| Molecular Weight | 172.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-amino-2,3,5,6-tetrafluoropyridine.
4-amino-2,3,5,6-tetrafluoropyridine (CAS 1682-20-8) is a high-purity analytical reference standard with the molecular formula C5H8F4N2 and a molecular weight of 172.12 g/mol.
Owing to fluorine substitution, 4-amino-2,3,5,6-tetrafluoropyridine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 172.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 4-amino-2,3,5,6-tetrafluoropyridine 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 | C5H8F4N2 |
| Molecular Weight | 172.12 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related amino Standards
- 2-Amino-3,5-difluorobenzamide (CAS 1315180-09-6)
- 3-Amino-2,5,6-trifluorobenzonitrile (CAS 159847-79-7)
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Recommended Standards
- Methyl hydrogen phenylphosphonate (CAS 10088-45-6)
- 2-(Pentafluoro-l6-sulfanyl)ethan-1-ol (CAS 87224-26-8)
- Phenylglyoxylic acid (sodium) (CAS 43165-51-1)
- Allyl 2,2,3,3-tetrafluoropropyl ether (CAS 681-68-5)
- 2-(1-Adamantyl)-1H-benzimidazole (CAS 23280-73-1)
- N-Benzyl-2-(1H-imidazol-1-yl)ethanamine (CAS 151642-11-4)
- 1-(Bromomethyl)-2,4-difluoro-5-methylbenzene (CAS 315204-37-6)
- 2,3-Difluorobenzamide (CAS 18355-75-4)
- Flunarizine impurity 36 (CAS 57070-98-1)
- Repaglinide Impurity 14 (CAS 107362-46-9)
- 2,2-Dimethyl-3-(pyrrolidin-1-yl)propan-1-ol (CAS 39067-46-4)
- SNPB-sulfo-Me (CAS 890409-86-6)
- 4-Ethylbenzoic acid (CAS 619-64-7)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
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