Compound Q&A

What is Aprotinin (CAS: 9004-04-0)?

Answer

APROTININ
Aprotinin is a protein isolate derived from the pancreas of cattle. It is a serine protease inhibitor with a molecular weight of approximately 43 kDa. Aprotinin is known for its ability to inhibit various proteases, including trypsin, plasmin, and kallikrein. It is used in clinical settings to reduce blood loss and the need for transfusion during surgery.

About

CAS No 9004-04-0
English Name APROTININ
Molecular Formula C284H432N84O79S7
Molecular Weight 6511.44 g/mol
EINECS 232-994-9
SMILES [H]/N=C(/N)NCCC[C@@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@H](CC(=O)O)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H]1CSSC[C@@H](C(=O)NCC(=O)NCC(=O)N[C@H](C)C(=O)O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@@H](CCCN/C(N)=N/[H])NC(=O)[C@H](CCSC)NC(=O)[C@H]2CSSC[C@H]3NC(=O)[C@@H](CC(C)C)NC(=O)CNC(=O)[C@@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H](Cc4ccc(O)cc4)NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H](Cc4ccc(O)cc4)NC(=O)[C@@H](CCCN/C(N)=N\[H])NC(=O)[C@@H]([C@H](C)CC)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H](CCCN/C(N)=N/[H])NC(=O)[C@@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](CSSC[C@@H](NC(=O)CNC(=O)CNC(=O)[C@H](Cc4ccc(O)cc4)NC(=O)[C@@H](C(C)C)NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CCC(N)=O)NC3=O)C(=O)N[C@@H](CCCN/C(N)=N/[H])C(=O)N[C@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCN/C(N)=N\[H])C(=O)N[C@H](CC(N)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@H](Cc3ccccc3)C(=O)N[C@@H](CCCCN)C(=O)N[C@H](CO)C(=O)N[C@@H](C)C(=O)N[C@H](CCC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)N2)NC(=O)[C@@H]2CCCN2C(=O)CNC(=O)[C@@H]([C@H](C)O)NC(=O)[C@@H](Cc2ccc(O)cc2)NC(=O)[C@@H]2CCCN2C(=O)[C@H]2CCCN2C(=O)[C@H](CCC(=O)O)NC(=O)[C@@H](CC(C)C)NC1=O
InChIKey ZPNFWUPYTFPOJU-YSFZTAPISA-N
Last Updated: 2026-01-09 14:49

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