9031-11-2

9031-11-2 structure

Name: Native Aspergillus oryzae β-Galactosidase
Chemical Name: Lactase
CAS Number: 9031-11-2
Molecular Formula: C₂₂H₂₈O₃
Molecular Weight: 340.456
Catalog: Biochemical Enzymes and coenzymes
Create Date: 2018-03-23 08:00:00
Modify Date: 2025-08-21 16:01:39
β-Galactosidase is a glycoside hydrolase that hydrolyzes the β-glycosidic bonds formed between galactose and its organic moieties. In E.coli, the lacZ gene is the structural gene of β-galactosidase, which can be used as part of the induction system lac operon. β-Galactosidase can hydrolyze lactose to form glucose and galactose, and enter glycolysis; it can also catalyze the transgalactosylation of lactose into allolactose; allolactose can be cracked into monosaccharides[1].

Name	Lactase
Synonyms	beta-Galactosidase 2-[2-(4-Heptylphenyl)ethyl]-6-hydroxybenzoic acid Benzoic acid, 2-[2-(4-heptylphenyl)ethyl]-6-hydroxy- Native Aspergillus oryzae β-Galactosidase

Description	β-Galactosidase is a glycoside hydrolase that hydrolyzes the β-glycosidic bonds formed between galactose and its organic moieties. In E.coli, the lacZ gene is the structural gene of β-galactosidase, which can be used as part of the induction system lac operon. β-Galactosidase can hydrolyze lactose to form glucose and galactose, and enter glycolysis; it can also catalyze the transgalactosylation of lactose into allolactose; allolactose can be cracked into monosaccharides[1].
Related Catalog	Research Areas >> Others
References	[1]. Douglas H Juers, et al. LacZ β-galactosidase: structure and function of an enzyme of historical and molecular biological importance. Protein Sci. 2012 Dec;21(12):1792-807.

Density	1.1±0.1 g/cm3
Boiling Point	477.8±33.0 °C at 760 mmHg
Molecular Formula	C₂₂H₂₈O₃
Molecular Weight	340.456
Flash Point	256.9±21.9 °C
Exact Mass	340.203857
LogP	8.19
Appearance	powder \| slightly yellow
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.572
Storage condition	2-8°C
Water Solubility	1% acetic acid: 1 mg/mL \| Soluble in water

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Risk Phrases	22
Safety Phrases	24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	LW5840000