3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol CAS 303984-91-0
| CAS No. | 303984-91-0 |
| Molecular Formula | C20H14FN3O |
| Molecular Weight | 331.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 331.34 g/mol gives 3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol (CAS 303984-91-0) is a high-purity analytical reference standard with the molecular formula C20H14FN3O and a molecular weight of 331.34 g/mol.
Based on its molecular formula C20H14FN3O, 3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 3-((4-Fluorophenyl)diazenyl)-1-phenyl-1H-indol-2-ol 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 | C20H14FN3O |
| Molecular Weight | 331.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- N-(3-(3-Fluorophenyl)-2-(2-oxoimidazolidin-1-yl)propyl)furan-2-carboxamide (CAS 1421513-66-7)
- 2-(4-Fluorophenyl)-N-(5-(4-fluorophenyl)-1,3,4-thiadiazol-2-yl)acetamide (CAS 476463-39-5)
- 4-(4-Fluorophenyl)-2-{[(4-methoxyphenyl)methyl]amino}-4-oxobutanoic acid (CAS 329929-26-2)
- 4-((4-Fluorophenyl)thio)-N-isopropyl-6-(trifluoromethyl)pyrimidin-2-amine (CAS 339011-20-0)
- 1-(4-Fluorophenyl)-5-((pyrimidin-2-ylthio)methyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1416345-65-7)
- 1-(2-Fluorophenyl)-5-((pyrimidin-2-ylthio)methyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1416346-65-0)
- N-(4-fluorophenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide (CAS 303091-62-5)
- N-(2-Fluorophenyl)-2-(1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)acetamide (CAS 900011-81-6)
Recommended Standards
- 2-Amino-N-(2-fluoro-4-methoxyphenyl)-4-oxo-1,4,5,6,7,8-hexahydrocyclohepta[b]pyrrole-3-carboxamide (CAS 380365-94-6)
- 2-[(4-Methoxyphenyl)sulfonyl]-3-phenyl-5(2H)-isoxazolone (CAS 303987-11-3)
- 4-Nitrobenzyl 1-Thio-β-D-glucopyranoside (CAS 35785-17-2)
- 2,3-Dimethoxy-5-(morpholinosulfonyl)benzoic acid (CAS 327091-18-9)
- 2-(4-Chloro-2-hydroxyphenoxy)acetic acid (CAS 7417-89-2)
- (2S,3R)-2-Amino-3-phenyl-butyric acid ethyl ester hydrochloride (CAS 2365390-67-4)
- Cyclosporin Impurity 6 (CAS 1357559-51-3)
- 2-(3-Methoxyphenyl)-4-methyl-6-[1-(4-methylphenyl)-1H-pyrazol-5-yl]-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 321538-35-6)
- 2-benzylcyclohexan-1-amine (CAS 72436-51-2)
- 2-Chloro-5-(1,1-difluoroethyl)pyrimidine (CAS 1211515-05-7)
- Linezolid Impurity 58 (CAS 1175797-88-2)
- H-Arg-Gly-Glu-Ser-OH (CAS 93674-97-6)
- 1-(4-Chlorophenethyl)-2-ethyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (CAS 63937-76-8)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
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