2-Fluorobenzene-1-sulfinic acid CAS 763049-18-9
| CAS No. | 763049-18-9 |
| Molecular Formula | C6H5FO2S |
| Molecular Weight | 160.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Fluorobenzene-1-sulfinic acid (CAS 763049-18-9), a certified reference material (molecular formula C6H5FO2S, MW 160.17 g/mol) for analytical method development and quality control.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 2-Fluorobenzene-1-sulfinic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 160.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-Fluorobenzene-1-sulfinic acid 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.
Physical & Chemical Properties
| Molecular Formula | C6H5FO2S |
| Molecular Weight | 160.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fluorobenzene Standards
- 4-Fluorobenzene-1-sulfinic acid (CAS 369-51-7)
- 2-fluorobenzene-1-carbothioamide (CAS 75907-82-3)
- 1-Butyl-3-fluorobenzene (CAS 20651-66-5)
- 1-Butyl-4-fluorobenzene (CAS 20651-65-4)
- 2-Fluorobenzene-1,3,5-tricarbonitrile (CAS 13519-91-0)
- 319-03-9 4-FLUOROBENZENE-1,2-DICARBOXYLIC ANHYDRIDE 4-FLUOROPHTHALIC ACID ANHYDRIDE 4-Fluorophthalic anhydride 5-FLUORO-1,3-DIHYDRO-2-BENZOFURAN-1,3-DIONE 5-FLUORO-1,3-ISOBENZOFURANDIONE 5-FLUORO-2-BENZOFURAN-1,3-DIONE 5-FLUOROISOBENZOFURAN-1,3-DIONE AS02025 (CAS 319-03-9)
- 3-fluorobenzene-1-sulfonyl fluoride (CAS 1547-91-7)
- 4-Fluorobenzene-1,3-dicarboxylic acid (CAS 327-95-7)
Recommended Standards
- 2-Fluoro-2-(thiophen-2-yl)acetic acid (CAS 94744-62-4)
- 2H-1,4-Benzoxazine-7-carbonitrile, 3,4-dihydro- (CAS 566158-19-8)
- 2-Cyano-N-phenylacetamide (CAS 621-03-4)
- 2-Hydroxy-3-(tetrahydrofuran-2-yl)propanoic acid (CAS 2145564-75-4)
- 2-(Difluoromethyl)-6-hydroxy-3-methoxy-4-nitropyridine (CAS 1805202-75-8)
- (3-Fluoroazetidin-3-yl)methanamine hydrochloride (CAS 1956331-88-6)
- (2-Isopropylthiazol-4-yl)methanamine hydrochloride (CAS 1262771-25-4)
- 5-(2-Methylphenyl)-1h-pyrazole-4-carboxylic acid (CAS 1007541-87-8)
- 5-(2,5-Dihydro-1h-pyrrol-1-yl)isophthalic acid (CAS 1378683-16-9)
- (Z)-4-Methylhexa-3,5-dienoic acid (CAS 128961-60-4)
- 4-Fluoro-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1159445-42-7)
- Gly-Gly-Gly-PEG4-methyltetrazine (CAS 2353409-82-0)
- (?)-2-O-Phosphono-L-glyceric acid 23295-92-3 (CAS 23295-92-3)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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