Aprotinin from bovine lung Expand

Aprotinin from bovine lung CAS 9087-70-1



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Aprotinin from bovine lung


(Trypsin inhibitor from bovine lung, Trasylol®) Mr ca. 6500CAS [9087-70-1]


Purified inhibitor of trypsin, chymotrypsin, plasmin and especially kallikrein.

 For in vitro inhibition of fibrinolytic activity in blood samples.


Unit definition: 1 IU (inhibitor unit) inhibits 1 U trypsin as defined by cleavage of 1 µmol

BAEE (N-benzoyl-L-arginine ethyl ester) per minute (see under trypsin, cat.no. 37291).

Activity in other units: min. 3 Ph. Eur. Units (PEU)/mg, based on dried substance.

Unit definition: 1 Ph. Eur. Unit of aprotinin inhibits 50 % of the enzymatic activity of 2 microkatals

trypsin, measured with BAEE as substrate at pH 8.0 and 25 °C.

Activity in other units: min. 5850 Kallikrein Inactivator Units (KIU)/mg, based on dried substance.

(KIU = PEU x 60 x 32,5). Trasylol® = registered trademark of Bayer AG


WARNING:  Hazardous Goods


EINECS: 232-994-9WGK: 1HS: 35040090 Storage Temperature: +2 °C to +8 °C