5-Chloro-2,6-difluoropyridine-3,4-diamine CAS 405230-92-4
| CAS No. | 405230-92-4 |
| Molecular Formula | C5H4ClF2N3 |
| Molecular Weight | 179.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-2,6-difluoropyridine-3,4-diamine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-Chloro-2,6-difluoropyridine-3,4-diamine (CAS 405230-92-4), molecular formula C5H4ClF2N3 and molecular weight 179.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H4ClF2N3, 5-Chloro-2,6-difluoropyridine-3,4-diamine contains a nitrile group, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.56 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.
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 | C5H4ClF2N3 |
| Molecular Weight | 179.56 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- (Z)-4-Chloro-2-(methoxyimino)-3-oxobutanoic acid (CAS 111230-59-2)
- 4-Chloro-3,5-difluoro-pyridine-2,6-diamine (CAS 1112987-16-2)
- 4-Chloro-6-(difluoromethyl)pyrimidin-5-amine (CAS 1706449-38-8)
- 5-Chloro-6-(difluoromethyl)pyrimidin-4-amine (CAS 1706461-32-6)
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- 4-chloro-1H-pyrazolo[3,4-d]pyrimidine-3-carbonitrile (CAS 1004991-91-6)
- 2-Chloro-3-(difluoromethoxy)pyridine (CAS 1206977-80-1)
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Recommended Standards
- 25084-14-4 A817634 N-[bis(2-chloroethyl)aminomethyl]-4-methyl-benzamide N-[bis(2-chloroethyl)aminomethyl]-4-methylbenzamide (CAS 25084-14-4)
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- 4-(Aminomethyl)-4-methylhexan-3-ol (CAS 1502333-79-0)
- 2-(Cyclopropylamino)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 1342648-67-2)
- 3-(4-Fluorophenyl)cyclobutane-1-carboxylic acid (CAS 1235439-86-7)
- 4-[(5-chloropyridin-2-yl)oxy]aniline (CAS 73474-62-1)
- 2-(4-Hydroxypiperidin-1-yl)quinolin-8-ol (CAS 1225834-97-8)
- Acetyl-Tau Peptide (273-284) amide trifluoroacetate salt (CAS 1684399-52-7)
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