Quinolone analog 11 CAS 950726-39-3
| CAS No. | 950726-39-3 |
| Molecular Formula | C21H22FN5O4 |
| Molecular Weight | 427.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 427.43 g/mol gives Quinolone analog 11 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Quinolone analog 11 (CAS 950726-39-3), molecular formula C21H22FN5O4 and molecular weight 427.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Quinolone analog 11 (C21H22FN5O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 427.43 g/mol, it falls into the moderately-high-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.
As a certified reference material (CRM), Quinolone analog 11 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 | C21H22FN5O4 |
| Molecular Weight | 427.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related Quinolone Standards
- Quinolone analog 9 (CAS 119354-66-4)
- Quinolone analog 10 (CAS 110871-99-3)
- Quinolone analog 3 (CAS CATO-C4X-1074140)
- Quinolone analog 8 (CAS 110236-79-8)
- Quinolone analog 14 (CAS CATO-C4X-1074150)
- Quinolone analogues 1 (CAS CATO-C4X-1074137)
- Quinolone analog 12 (CAS 119914-61-3)
- Quinolone analog 4 (CAS CATO-C4X-1074139)
Recommended Standards
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- Cefminox Impurity 4 (CAS CATO-C4X-19264)
- 1-(2-(Dimethylamino)ethyl)-4-(3-fluoro-4-methylbenzoyl)-3-hydroxy-5-(4-nitrophenyl)-1H-pyrrol-2(5H)-one (CAS 618074-10-5)
- Avatrombopag Impurity 77 (CAS CATO-C4X-223477)
- Cis-Tert-Butyl 3A-(Hydroxymethyl)Tetrahydro-1H-Furo[3,4-C]Pyrrole-5(3H)-Carboxylate (CAS 1445951-67-6)
- N-(1-aminopropan-2-yl)-2,2,2-trifluoroacetamide (CAS 78585-39-4)
- Plant Sterol Mix 4 (CAS CATO-LCPE901943)
- 3-(3,5-Dimethylphenoxy)-2,2-dimethylpropanoic acid (CAS 938320-00-4)
- 1-(3,4-Methylenedioxyphenyl)-2-thiourea (CAS 65069-55-8)
- 2-(4-Acetyl-6-formylpyridin-2-yl)acetic acid (CAS 1393583-12-4)
- 4-Chloro-6-(difluoromethoxy)-2-methylquinoline (CAS 1156276-49-1)
- tert-butyl ((63S,4S,Z)-12-iodo-10,10-dimethyl-5,7-dioxo-61,62,63,64,65,66-hexahydro-11H-8-oxa-2(4,2)-thiazola-1(5,3)-indola-6(1,3)-pyridazinacycloundecaphane-4-yl)carbamate (CAS 3034241-55-6)
- Enarodustat Impurity 33 (CAS CATO-C4X-322833)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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