6-(5-(4-Fluorophenyl)furan-2-yl)-3-(furan-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole CAS 720672-18-4
| CAS No. | 720672-18-4 |
| Molecular Formula | C17H9FN4O2S |
| Molecular Weight | 352.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-(5-(4-Fluorophenyl)furan-2-yl)-3-(furan-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (CAS 720672-18-4), molecular formula C17H9FN4O2S and molecular weight 352.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-(5-(4-Fluorophenyl)furan-2-yl)-3-(furan-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole (C17H9FN4O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 352.34 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-(5-(4-Fluorophenyl)furan-2-yl)-3-(furan-2-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole 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 | C17H9FN4O2S |
| Molecular Weight | 352.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- 3-(3-((2-((4-Fluorophenyl)amino)-2-oxoethyl)thio)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl)propanoic acid (CAS 881433-21-2)
- 5-{3-[(3-fluorophenyl)methyl]-1,2,4-oxadiazol-5-yl}-3-(4-methoxyphenyl)-1,2,4-oxadiazole (CAS 1775330-71-6)
- N-(2-Fluorophenyl)-3-(5-(3-nitrophenyl)furan-2-yl)acrylamide (CAS 853351-18-5)
- N-(4-Fluorophenyl)-3-(5-(3-nitrophenyl)furan-2-yl)acrylamide (CAS 853351-25-4)
- (4-Fluorophenyl)(2-(phenoxymethyl)-6,7-dihydrooxazolo[5,4-c]pyridin-5(4H)-yl)methanone (CAS 1363281-27-9)
- Methyl 2-(4-(4-(4-fluorophenyl)pyrimidin-2-yl)phenoxy)propanoate (CAS 477856-80-7)
- [3-(4-Fluorophenyl)-5-methyl-7-oxo-7H-furo[3,2-g]chromen-6-yl]acetic acid (CAS 664366-13-6)
- (4-Fluorophenyl)(4-(1-phenyl-1H-tetrazol-5-yl)piperazin-1-yl)methanone (CAS 727690-07-5)
Recommended Standards
- Licoisoflavone B (CAS 66056-30-2)
- 9,10-Dioxo-9,10-dihydroanthracene-1,8-diyl dipropionate (CAS 97968-49-5)
- 4-[4-(Morpholin-4-yl)-3-nitrophenyl]-1,2-dihydrophthalazin-1-one (CAS 488137-27-5)
- BM-PEG3 (CAS 86099-06-1)
- Methyl 2-(tert-Butyl)oxazole-4-carboxylate (CAS 1065102-65-9)
- 1-(2-Methoxyethyl)-2-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid (CAS 724744-79-0)
- (3-Amino-5-(1H-1,2,4-triazol-1-yl)phenyl)methanol (CAS 1220630-61-4)
- (Z)-2-Bromobut-2-enal (CAS 33718-99-9)
- Voriconazole Impurity 7 (CAS CATO-C4X-13667)
- N,N-Dimethyl-2-((3-phenylquinolin-2-yl)thio)ethanamine (CAS 85273-95-6)
- 4,5-Dibromo-N-(2-chlorophenyl)thiophene-2-carboxamide (CAS 749879-73-0)
- 3-Methoxy-5-methylpyrazine-2-carbaldehyde (CAS 614730-17-5)
- 4-iso-Octylphenol-ethoxylate (mono-, di-, tri-) (technical)(Mixture of isomers) (CAS 9036-19-5)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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