Trypsin
MDL:
MFCD00082094
Molecular Formula:
Molecular Weight:
Alias:
胰蛋白酶(牛胰脏)
Trypsin from beef pancreas
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Trypsin |
>250U/mg |
5g |
RMB 99 |
现货 |
Trypsin |
>250U/mg |
10g |
RMB 165 |
现货 |
Trypsin |
>250U/mg |
25g |
RMB 363 |
现货 |
Trypsin |
potency ≥2500 units/mg |
5g |
RMB 231 |
现货 |
Trypsin |
1:250 |
25g |
RMB 209 |
现货 |
Trypsin |
potency ≥2500 units/mg |
25g |
RMB 1078 |
现货 |
Trypsin |
potency ≥2500 units/mg |
100g |
RMB 3905 |
现货 |
Trypsin |
1:250 |
100g |
RMB 759 |
现货 |
Trypsin |
potency ≥3000 units/mg |
5g |
RMB 418 |
现货 |
Trypsin |
potency ≥3000 units/mg |
25g |
RMB 1716 |
现货 |
Character:
胰蛋白酶是一种丝氨酸蛋白水解酶,属白色或微黄色冻干粉制品。它能特异性地水解碱性氨基酸精氨酸及赖氨酸羧基所组成的肽键。酶本身很容易自溶,其作用最佳的PH值为8.0~9.0。胰蛋白酶活性能被胰腺中的天然抑制剂所抑制。钙离子能延迟胰蛋白酶的自溶,并能促进胰蛋白酶原的活性。
熔点:115°C
Quality Standard:
外观Appearance 白色或类白色冻干粉末
鉴别Infrared spectrometry 符合
酸度Acidity 5.0~7.0
溶液的澄清度Clarity 澄清
糜蛋白酶Chymotrypsin ≤50单位/2500单位胰蛋白酶
干燥失重Loss on drying ≤5.0%
效价potency ≥2500 units/mg
Storage:
-20℃保存