產(chǎn)地：Roche
貨號：11376497001
Contents
Lyophilizate from a hydrochloric acid solution （pH 2.3） （crystalline insulin）, before lyophilization filtered through 0.2 μm pore size membrane
Quality
Purity: >98% （SDS-PAGE）
Endotoxin level: <0.1 EU/µg （LAL-test）
Note: 1 EU corresponds to 0.1 ng
Additional Information
Special Interest Sites
Cellular Analysis Interest Site Instructions for Use and Material Safety Data Sheets
Catalog Number:11376497001
Product Description
Primary structure: Two polypeptide chains （A-chain: 21 amino acids, B-chain: 30 amino acids, connected by two disulfide bridges） identical to natural, human insulin.
Specific activity/EC 50 : <250 ng/ml, at least the same specific activity （EC 50 ） compared to the indicated standard is guaranteed .
EC 50 definition/Unit definition: The concentration of human insulin that is required to support half-maximal stimulation of cell proliferation （MTT cleavage） with 3T3 （A31） cells.
Species specificity: active on most mammalian cells