EC Number: 232-994-9
Chemical Formula: C₂₈₄H₄₃₂N₈₄O₇₉S₇
CAS Number: 9087-70-1
IUPAC Name: (3S)-4-[[(2S)-1-[[(1R,2aS,4S,5aS,8aS,11aS,13S,14aS,16S,17aR,19S,20aS,25S,26aS,29aS,31S,32aS,34S,35aS,37R,38aS,41aS,42R,44aS,45S,47aS,48S,50aS,51S,53aS,54R,56aS,57S,59aS,60S,62aS,63S,66S,69S,72S,75S,78S,81S,84S,87S,90S,93R)-29a,62a,69,84-tetrakis(4-aminobu
Molecular Weight: 6511
Items 检测项目: Specification 标准规定
2. Identification 鉴别: A. Thin-layer chromatography: The principal spot in the chromatogram obtained with the test solution is similar in position, colour and size to the principal spot in the chromatogram obtained with the reference solution. 薄层色谱法：供试品溶液的主要斑点应与对照品溶液的主要斑点的位置、颜色

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Manufactured directly by Ningbo Linzyme Biosciences to European Pharmacopoeia (EP) and in-house standards, this Aprotinin (CAS 9087-70-1) is sourced from bovine lungs and consists of a 58-amino-acid single-chain polypeptide cross-linked by three disulfide bonds. It functions as a competitive, reversible serine protease inhibitor with broad-spectrum activity against trypsin, chymotrypsin, kallikrein, and plasminogen (though not factor Xa or thrombin), and the listing provides detailed release specifications covering appearance, potency (≥3.0 Ph.Eur.U./mg), and bacterial endotoxin limits. It is distributed to Western and Eastern Europe and Asia.