Trypsin 1:250 from bovine pancreas, CAS 9002-07-7, Serva

Trypsin 1:250 from bovine pancreas, SERVA Electrophoresis

lyophil.

3.4.21.4 • CAS 9002-07-7

USP. Serin protease mixture suitable for cell culture. Contains chymotrypsin and non-proteolytic activities. Trypsin 1:250 is a special blend of enzymes designed to maintain maximum cell viability during gentle dissociation. Customary concentration for use: 250 mg/100 ml, pH 7 – 8.

Trypsin assay: 250 NF/USP U/mg

Total aerobic count plate       none detectable

Moulds and yeasts                 <15 /g

Bacterial count                       Absent in 10 g material

(Salmonella, Staph. aureus, Ps. aeruginosa, Enterococcus sp.)

Unit definition: That amount of enzyme that causes hydrolysis of BAEE (benzoylarginine ethyl ester) such that the increase of light absorbance at 253 nm is 0.003 per minute.

EG-Index: 647-010-00-7 • EINECS: 232-650-8 • WGK: 1 • HS: 35079090

Storage Temperature: -15 °C to -25 °C