Supply of theophylline 
 Price: 55 yuan / kg 
 School name: purine dioxide dimethyl 
 Molecular formula: C7H8N4O2 
 Molecular Weight: 180.16 
 CAS No. :58 -55-9 
 Content: 99% 
 Appearance: white to light yellow crystalline powder 
 Melting point :121-124 ℃ 
 Flash point: 11 ℃ 
 Water solubility: 8.3 g / L (20 o C) 
 Solubility: easily soluble in water 
 Function and purpose: to participate in animal liver synthesis of thrombin to promote the formation of prothrombin, accelerated blood clotting, maintenance of normal clotting time. 
 Animal growth and development as essential nutritional additives in animal diets need to add a certain amount of vitamin K3. 
 Storage: protected from light, avoid the tide, sealed. 
 Packing: 25 kg / box