5-[(3-Fluorophenyl)methyl]-7-(trifluoromethyl)-1H,3H,3aH,4H,5H-[1,3]thiazolo[3,4-a]quinoxalin-4-one CAS 1030939-22-0
| CAS No. | 1030939-22-0 |
| Molecular Formula | C18H14F4N2OS |
| Molecular Weight | 382.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-[(3-Fluorophenyl)methyl]-7-(trifluoromethyl)-1H,3H,3aH,4H,5H-[1,3]thiazolo[3,4-a]quinoxalin-4-one (CAS 1030939-22-0), molecular formula C18H14F4N2OS and molecular weight 382.38 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, 5-[(3-Fluorophenyl)methyl]-7-(trifluoromethyl)-1H,3H,3aH,4H,5H-[1,3]thiazolo[3,4-a]quinoxalin-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 382.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 5-[(3-Fluorophenyl)methyl]-7-(trifluoromethyl)-1H,3H,3aH,4H,5H-[1,3]thiazolo[3,4-a]quinoxalin-4-one 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 | C18H14F4N2OS |
| Molecular Weight | 382.38 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
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- 3-(3-((3-(2-Fluorophenyl)-1,2,4-oxadiazol-5-yl)methyl)piperidine-1-carbonyl)pyridine 1-oxide (CAS 1704538-18-0)
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- 3-(2-Fluorophenyl)-N-(4-(2-oxo-2-((2,2,2-trifluoroethyl)amino)ethyl)phenyl)propanamide (CAS 1448028-07-6)
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Recommended Standards
- Boc-Glu(OMe)-ONp (CAS 16947-07-2)
- Benzyl (2S,4R)-2-(6-fluoro-1H-indole-3-carbonyl)-4-hydroxypyrrolidine-1-carboxylate (CAS 1174655-35-6)
- Allisartan Isoproxil Impurity 24 (CAS CATO-C4X-321724)
- Benzyl (2S,4S)-2-(6-fluoro-1H-indole-3-carbonyl)-4-hydroxypyrrolidine-1-carboxylate (CAS 1174655-38-9)
- 1800AC 2-(Piperazin-1-yl)cyclohexanol 759402-42-1 C10H20N2O (CAS 759402-42-1)
- 3-(4-Fluorophenyl)-2-methoxypropane-1-sulfonyl chloride (CAS 2044838-92-6)
- 7-Chloro-4-cyclopentyl-2,3,4,5-tetrahydro-1,4-benzoxazepin-3-one (CAS 1340964-18-2)
- 2-(2-Chlorophenyl)-2-(pyrrolidin-1-yl)acetamide (CAS 1000340-02-2)
- 1-(5-Methylthiazol-2-yl)ethanol (CAS 40982-32-9)
- (2E)-1-{[1,1'-Biphenyl]-4-yl}-3-(3-chlorophenyl)prop-2-en-1-one (CAS 1046051-19-7)
- (S)-N-Ethyl-N-(pyrrolidin-2-ylmethyl)acetamide (CAS 1354019-41-2)
- 1-(2,4,6-Trimethylphenyl)-3-(adamantyl)imidazolium chloride (CAS 1583244-07-8)
- (R)-2-Methylbut-3-enoic acid (CAS 20626-49-7)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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