Theophylline
Molecular Structure:
MDL:
--MFCD00079619
Molecular Formula:
C7H8N4O2
Molecular Weight:
180.16
Alias:
1,3-二甲基-3,7-二氢-1H-嘌呤-2,6-二酮,1,3-二甲基黄嘌呤
1,3-Dimethylxanthine
2,6-Dihydroxy-1,3-dimethylpurine
3,7-Dihydro-1,3-dimethyl-1H-purine-2,6-dione
1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropurine
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Theophylline |
99%,无水 |
500g |
RMB 528 |
Consulting service |
Theophylline |
99%,无水 |
100g |
RMB 140.8 |
Consulting service |
Theophylline |
99%,无水 |
25g |
RMB 97.9 |
Consulting service |
Theophylline |
药典BP级 |
500g |
RMB 152.9 |
促销 |
Theophylline |
药典BP级 |
100g |
RMB 59.4 |
促销 |
Character:
是茶中所含的白色不定形的结晶状生物碱,为可可碱(theobromine)的异构体。白色结晶,水溶性8.3g/L(20℃),1克能溶于120毫升水,80毫升乙醇,约110毫升氯仿,溶于热水、氢氧化碱溶液和氨水,也溶于稀盐酸及硝酸,难溶于醚。
熔点:270-274℃
Quality Standard:
外观Appearance 白色结晶粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
熔点Melting point 270°C - 274°C
纯度Purity >99.0% (中和滴定)
DMF溶解性实验Solubility in N,N-DMF 溶液透明
Storage:
用途 磷酸二酯酶抑制剂。