β-Galactosidase , Couplet level , 9031-11-2

Synonym(s):
Lactase;β-galactosidase;β-Galactosidase, E. coli;β galactosidase;β-D-Galactoside galactohydrolase

CAS NO.：9031-11-2

Empirical Formula: NULL

Molecular Weight:

MDL number: MFCD00130623

EINECS: 232-864-1

PRODUCT Properties

• Melting point: 100 °C
• Boiling point: 100 °C(Press: 800 Torr)
• Density: 1.14 g/cm3(Temp: 4 °C)
• storage temp.: -20°C
• solubility: 1% acetic acid: 1 mg/mL
• form: powder
• color: slightly yellow
• PH: 7.3-7.7
• biological source: Escherichia coli
• Water Solubility: Soluble in water
• λmax: 405
• Specific Activity: 750-950U/mg
• EPA Substance Registry System: Galactosidase, .beta.- (9031-11-2)

Description and Uses

β-Galactosidase is conjugated to an antibody which specifically recognizes a target molecule (enzyme immunoassay or EIA). 1 β-Galactosidase is also used as a reporter enzyme to monitor the level of gene expression of a promoter. 2 It may be used as a positive control protein with anti-β-galactosidase antibodies.

Safety

• Symbol(GHS): GHS08
• Signal word: Danger
• Hazard statements: H334
• Precautionary statements: P261-P285-P304+P341-P342+P311-P501
• Hazard Codes: Xn
• Risk Statements: 22
• Safety Statements: 24/25
• WGK Germany: 3
• RTECS: LW5840000
• F: 3-10
• HS Code: 35079090