Levofloxacin Hemihydrate CAS 138199-71-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 138199-71-0 |
| Molecular Formula | 2*C18H20FN3O4 H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Levofloxacin Hemihydrate (CAS 138199-71-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: 2*C18H20FN3O4 H2O. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | 2*C18H20FN3O4 H2O |
| Molecular Weight | 379.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-(4-Butoxybenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 609795-77-9)
- 6-Chloro-7-cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-3-amine (CAS 1178583-40-8)
- 2-Ethylbenzofuran-6-amine (CAS 27408-35-1)
- 4-(3,4-Dichlorophenyl)-5-[3-(dimethylamino)phenyl]-4h-1,2,4-triazole-3-thiol (CAS 796067-57-7)
- N-((3-(allylcarbamoyl)-4,5-dihydroisoxazol-5-yl)methyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide (CAS 321432-38-6)
- 2-(Phenoxymethyl)thiazole-4-carbaldehyde (CAS 1082576-04-2)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
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