4-Fluoro-2,1,3-benzothiadiazole CAS 134963-05-6
| CAS No. | 134963-05-6 |
| Molecular Formula | C6H3FN2S |
| Molecular Weight | 154.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Fluoro-2,1,3-benzothiadiazole is closely related to a nitrile group, sulfur-containing functionality, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Fluoro-2,1,3-benzothiadiazole (CAS 134963-05-6), molecular formula C6H3FN2S and molecular weight 154.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Fluoro-2,1,3-benzothiadiazole (C6H3FN2S) contains a nitrile group, sulfur-containing functionality, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 154.16 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 4-Fluoro-2,1,3-benzothiadiazole 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 | C6H3FN2S |
| Molecular Weight | 154.16 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluoro Standards
- 5-Fluoro-2-isothiocyanatopyridine (CAS 1103425-74-6)
- 2-Fluoro-4-isothiocyanatopyridine (CAS 1301254-81-8)
- 2-(3-Fluoro-2-methylphenyl)ethanol (CAS 1000505-25-8)
- 2-(3-Fluoro-6-methylpyridin-2-yl)ethan-1-amine (CAS 1000515-18-3)
- 2-(3-Fluoro-5-methylphenyl)ethanol (CAS 1000534-18-8)
- 2-(5-Fluoro-2-methylphenyl)ethan-1-ol (CAS 1000548-63-9)
- 2-(2-Fluoro-5-methylpyridin-3-yl)ethan-1-amine (CAS 1000552-53-3)
- 2-(2-Fluoro-5-methylphenyl)ethan-1-ol (CAS 1000572-02-0)
Recommended Standards
- 3-(Oxan-4-yl)prop-2-ynoic acid (CAS 1344373-23-4)
- 5-Isopropoxyfuran-2-carbaldehyde (CAS 1357451-30-9)
- Methyl 2-(furan-3-yl)propanoate (CAS 1343581-74-7)
- 1-Cyclopropyl-2,4-difluorobenzene (CAS 1394291-34-9)
- 6-Chloro-4-ethoxyquinoline-2-carboxylic acid (CAS 1355234-15-9)
- 2-(Tetrahydro-2H-pyran-2-yl)ethanol (CAS 38786-79-7)
- Methyl 2-(3-chlorophenyl)pyrimidine-5-carboxylate (CAS 1263059-68-2)
- Ro 5-3335 (CAS 30195-30-3)
- 4-Chloro-6-(1-ethyl-1H-pyrazol-4-yl)-2-phenylpyrimidine (CAS 1707570-91-9)
- N-Trifluoroacetyl alendronic acid, >98% (CAS 1076199-48-8)
- (4H-Thieno[3,2-b]pyrrol-2-yl)methanamine (CAS 1539122-53-6)
- 2-(Bromomethyl)-2-(2,4-dichlorophenyl)-4-propyltetrahydrofuran (CAS 89058-48-0)
- 3-BROMO-2-(4-METHOXYPHENYL)THIOPHENE (CAS 252561-42-5)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
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