3,7-difluoro-10H-phenothiazine CAS 398-00-5
| CAS No. | 398-00-5 |
| Molecular Formula | C12H7F2NS |
| Molecular Weight | 235.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,7-difluoro-10H-phenothiazine (CAS 398-00-5), a certified reference material (molecular formula C12H7F2NS, MW 235.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H7F2NS, 3,7-difluoro-10H-phenothiazine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 235.25 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.
CATO manufactures 3,7-difluoro-10H-phenothiazine 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 | C12H7F2NS |
| Molecular Weight | 235.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 1-Oxa-4,9-diazaspiro[5.5]undecan-3-one hydrochloride (CAS 1402232-51-2)
- 1-(5-Bromothiophen-2-yl)-3-ethoxyprop-2-en-1-one (CAS 1344886-67-4)
- 1-(4-Fluorophenyl)-4-iodo-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1025721-10-1)
- 5-(3-Methoxypropoxy)-3-methylpentane-1-sulfonyl chloride (CAS 1478734-21-2)
- 5-((3-Fluorobenzyl)oxy)-1H-pyrazol-3-amine (CAS 1000896-51-4)
- 2-Fluoro-5-isopropoxynicotinic acid (CAS 1370025-60-7)
- (R)-2-(6-Hydroxybenzo[d]thiazol-2-yl)-4,5-dihydrothiazole-4-carboxylic acid (CAS 34500-31-7)
- Benzyl ((1H-imidazol-2-yl)methyl)(methyl)carbamate (CAS 473927-49-0)
- 3,6-dibromo-5-(4-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 2866180-70-1)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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