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Merck
CN

Specification Sheet

Product Name
Lysozyme from chicken egg white powder (crystalline), 70000-140000 U/mg

Product Number
62971

Product Brand
sial

CAS Number
12650-88-3

Molecular Weight

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder
SOLUBILITY (COLOR)Colorless
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)5 MG/ML 60 MM PHOSPHATE, 17 MMNACL, PH 7.0
ENZYMATIC ACTIVITY≥ 70000 U/mg
UNIT DEFINITION1 U CORRESPONDS TO THE AMOUNTOF ENZYME WHICH DECREASES THEABSORBANCE AT 450 NM BY 0.001PER MINUTE AT PH 7.0 AND 25DEG C (MICROCOCCUS LUTEUS,ATCC 4698, AS SUBSTRATE).
RECOMMENDED RETEST PERIOD42 MONTHS