Theophylline anhydrous

  post date: dec 14,2021   expiry date: jun 12,2022   detailed description: cas no. :58-55-9   cas registry number: 58-55-9   synonyms: ;theophylline anhydrous;1,3-dimethyl-3,4,5,7-tetrahydro-1h-purine-2,6-dione;dimethylxanthine;anhydrous theophylline;   molecular formula: c7h10n4o2   molecular weight: 182.1799   molecular structure:   hazard symbols:  xn:harmful;   risk codes: r22:;