2-amino-4,6-difluorobenzenethiol CAS 126764-60-1
| CAS No. | 126764-60-1 |
| Molecular Formula | C6H5F2NS |
| Molecular Weight | 161.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-amino-4,6-difluorobenzenethiol 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.
2-amino-4,6-difluorobenzenethiol (CAS 126764-60-1), molecular formula C6H5F2NS and molecular weight 161.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H5F2NS, 2-amino-4,6-difluorobenzenethiol contains a nitrile group, sulfur-containing functionality, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 161.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C6H5F2NS |
| Molecular Weight | 161.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related amino Standards
- 1-Amino-4-fluorocyclohexane-1-carboxylic acid (CAS 1231470-71-5)
- 2-amino-3,4-difluorobenzenethiol (CAS 131105-92-5)
- 2-Amino-4,5-difluorobenzenethiol (CAS 131105-93-6)
- 4-Amino-1-fluorocyclohexane-1-carboxylic acid (CAS 1427378-61-7)
- 6-Amino-2,3-difluorobenzenethiol (CAS 143163-90-0)
- 2-Amino-3,5-difluorobenzene-1-thiol (CAS 153937-30-5)
- 4-amino-2,5-difluorobenzenethiol (CAS 782413-10-9)
- 2-Amino-4-ethynylbenzoic acid (CAS 1015689-36-7)
Recommended Standards
- methyl 5-fluoropiperidine-3-carboxylate (CAS 1241725-62-1)
- Methyl 3-fluoropiperidine-4-carboxylate (CAS 1303972-83-9)
- 2-(4-Fluoropiperidin-1-yl)acetic acid (CAS 1228821-69-9)
- 1,3[2H,4H]-Isoquinolinedione (CAS 4456-77-3)
- Cypermethrin (1R,2R,1�R)-Isomer (CAS 65731-83-1)
- 5-Oxo-1-(pyridin-2-ylmethyl)pyrrolidine-3-carbaldehyde (CAS 1447960-40-8)
- 5-(3-Bromophenyl)-3,4-dihydro-2H-pyrrole (CAS 374589-00-1)
- 96450-54-3 1-(2-Chloroethyl)-5-methyl-1H-pyrazole DTXSID90548820 (CAS 96450-54-3)
- DBCO-PEG2-amine (CAS 2250216-96-5)
- (2-Bromo-6-fluoro-3-methoxyphenyl)methanol (CAS 1500279-77-5)
- 1-Methyl-3-(4-nitrophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 927653-46-1)
- 2-[(2-Chloro-4-fluorophenyl)methoxy]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 321430-34-6)
- 2-Methylmorpholine (CAS 27550-90-9)
- Insulin Glargine Metabolite M2 (CAS CATO-CPTD788867)
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