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                              | Levalbuterol tartrate |  
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| Item: | Levalbuterol tartrate |  
| Chemical name: | 4-[(1R)-2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol,(2R,3R)-2,3-dihydroxybutanedioic acid |  
| CAS#: | 661464-94-4 |  
| Formula: | 2(C13H21NO3).C4H6O6 |  
| Molar mass: | 628.72 |  
| Content: | ≥99.0% |  
| Appearance: | White powder |                                      |  |  |  
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