Oxytetracycline dihydrate
Molecular Structure:
MDL:
MFCD00003700
Molecular Formula:
C22H24N2O9·2H2O
Molecular Weight:
496.46
Alias:
土霉素碱
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Oxytetracycline dihydrate |
97% |
100g |
RMB 1284.8 |
促销 |
Oxytetracycline dihydrate |
97% |
25g |
RMB 413.6 |
促销 |
Oxytetracycline dihydrate |
97% |
5g |
RMB 167.2 |
促销 |
Quality Standard:
外观Appearance 黄色结晶粉末
红外光谱鉴别Infrared spectrometry 符合
纯度Purity 97% (HPLC)
比旋光度Specific rotation [a]20/D +203.0 ~ +216.0°(c=1, 0.1 M HCl)
水分Water 6 ~ 9%
吸收度353nm(1%,1cm) 290-310
杂质吸收度430nm ≤0.25
杂质吸收度490nm ≤0.20
重金属Heavy metals ≤50ppm
硫酸灰分 ≤0.5%
Storage:
阻止aminoacyl-tRNA结合到30S亚单元上,抑制蛋白质合成(延长期)。
抗菌谱: 革兰氏阴性和阳性菌