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L-Amino Acid Oxidase

L-Amino Acid Oxidase structure

CAS No.: 9000-89-9

Chemical Name:: L-Amino Acid Oxidase

Synonyms: L-AAO;TM-LAO;EC 1.4.3.2;IUB: 1.4.3.2;l-aminooxidase;oxidase,l-aminoacid;L-AMINO ACID OXIDASE;AMINO ACID OXIDASE, L-;aromaticl-aminoacidoxidase;L-AMINO ACID OXIDASE TYPE I

CBNumber:: CB7677922

Molecular Formula:

Molecular Weight:: 0

MDL Number:: MFCD00131454

MOL File:: Mol file

MSDS File:: SDS

Last updated:2026-05-28 05:58:18

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L-Amino Acid Oxidase Properties

storage temp.	2-8°C
solubility	H2O: soluble1.0mg/mL, clear(lit.)
form	powder
color	yellow
biological source	Crotalus adamanteus
Water Solubility	H2O: soluble 1.0mg/mL, clear(lit.)
Merck	13,414
Specific Activity	≥4.0units/mg protein
FDA UNII	BWA4V54TVD
UNSPSC Code	12352204
NACRES	NA.54

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS06
Signal word	Danger
Hazard statements	H300+H310+H330
Precautionary statements	P262-P280-P301+P310+P330-P302+P352+P310-P304+P340+P310
Hazard Codes	T+
Risk Statements	26/27/28
Safety Statements	36/37/39-45
RIDADR	UN 3462 6.1/PG 1
WGK Germany	3
RTECS	RQ8300000
F	10-18-21
HazardClass	6.1(b)
PackingGroup	III
Storage Class	6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
Hazard Classifications	Acute Tox. 1 Inhalation Acute Tox. 2 Dermal Acute Tox. 2 Oral

L-Amino Acid Oxidase price More Price(16)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	A5147	L-Amino Acid Oxidase from Crotalus atrox (Western Diamondback Rattlesnake) Type VI, dried venom, ≥0.1 unit/mg solid	9000-89-9	100mg	$113	2026-04-30	Buy
Sigma-Aldrich	A5147	L-Amino Acid Oxidase from Crotalus atrox (Western Diamondback Rattlesnake) Type VI, dried venom, ≥0.1 unit/mg solid	9000-89-9	1g	$591	2026-04-30	Buy
ChemScene	CS-0143390	L-Amino acid oxidase	9000-89-9	5mg	$119	2026-06-04	Buy
ChemScene	CS-0143390	L-Amino acid oxidase	9000-89-9	10mg	$200	2026-06-04	Buy
aablocks	AA00GRIB	EC 1.4.3.2	9000-89-9	5mg	$714	2026-05-28	Buy

Product number	Packaging	Price	Buy
A5147	100mg	$113	Buy
A5147	1g	$591	Buy
CS-0143390	5mg	$119	Buy
CS-0143390	10mg	$200	Buy
AA00GRIB	5mg	$714	Buy

L-Amino Acid Oxidase Chemical Properties,Uses,Production

Uses

L-amino acid oxidase (LAAO) is used to convert L-amino acids to their corresponding α-keto acids. L-amino acid oxidase, from Sigma, has been used in leucine aminopeptidase (LAP) activity assays. ³⁵S dimethylsulfoniopropionate (DMSP) has been synthesized chemically from ³⁵S L-methionine using LAAO from Sigma to form ³⁵S 3-methiolpropionate.

Uses

L-Amino Acid Oxidase from Crotalus adamanteus has been used in the quantification of rid protein in imine deaminase activity.

General Description

L-Amino acid oxidase (LAAO) is a flavoprotein with a molecular weight of 130 kDa. It consists of two different subunits of approximately 70 kDa. Each molecule of holoenzyme has two flavin adenine dinucleotide (FAD) molecules. LAAO is a glycoprotein containing about 2-5% carbohydrate, including sialic acid. optimum pH is approximately 7.5. It occurs in many snake venoms apart from microorganisms and animal tissue, especially in kidney. In the N-terminal region, it has a βαβ domain with glutamic acid residues. LAAO imparts yellow color to venom.

Biochem/physiol Actions

L-Amino acid oxidase is a flavoprotein with a molecular weight of 130 kDa. It consists of two different subunits of approximately 70,000 Da. Each molecule of holoenzyme has two FAD molecules. It is a glycoprotein containing about 2-5% carbohydrate, including sialic acid. Optimum pH is approximately 7.5.The enzyme may be reversibly inactivated by incubation in phosphate buffer, pH 7.5 at 38 °C. L-amino acid oxidase is involved in various metabolic pathways such as alanine and aspartate metabolism, methionine metabolism, valine, leucine and isoleucine degradation, tyrosine metabolism, phenylalanine metabolism, tryptophan metabolism, phenylalanine, tyrosine and tryptophan biosynthesis, and alkaloid biosynthesis. It occurs in many snake venoms apart from microorganisms and animal tissue, especially in kidney and liver.

L-Amino Acid Oxidase Preparation Products And Raw materials

Raw materials

Preparation Products

L-Amino Acid Oxidase Suppliers

Global( 102)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Hunan Hui Bai Shi Biotechnology Co., Ltd.	0731-85526065 13308475853	ivy@hnhbsj.com	China	7236	62
Shanghai Aladdin Bio-Chem Technology Co.,LTD	400-6206333 13167063860	anhua.mao@aladdin-e.com	China	29985	65
Nanjing Dulai Biotechnology Co., Ltd.	025-84699383-8003;025-846993838003-8003 18013301590	njduly@126.com	China	3293	55
Shanghai BeiZhuo Biotech Co., Ltd.	021-61119791,13386096464	bzswkf@foxmail.com	China	3916	50
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
Beijing NuoqiYa Biotechnology Co., Ltd.	4000-819-385 010-62329685 13718666987		China	1968	55
Creative Peptides		info@creative-peptides.com	United States	6083	56
Shanghai Xilong Biochemical Technology Co., Ltd.	021-52907766-8042		China	9928	58
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60

Supplier	Advantage
Adamas Reagent, Ltd.	59
Hunan Hui Bai Shi Biotechnology Co., Ltd.	62
Shanghai Aladdin Bio-Chem Technology Co.,LTD	65
Nanjing Dulai Biotechnology Co., Ltd.	55
Shanghai BeiZhuo Biotech Co., Ltd.	50
Sigma-Aldrich	80
Beijing NuoqiYa Biotechnology Co., Ltd.	55
Creative Peptides	56
Shanghai Xilong Biochemical Technology Co., Ltd.	58
Shanghai YuanYe Biotechnology Co., Ltd.	60

View Lastest Price from L-Amino Acid Oxidase manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2020-02-06	5-Benzyl 3-ethyl 2-methyl-6-phenyl-4-(phenylethynyl)-1,4-dihydro-3,5-pyridinedicarboxylate 9000-89-9	$1.00	1KG	Min98% HPLC		Career Henan Chemical Co

5-Benzyl 3-ethyl 2-methyl-6-phenyl-4-(phenylethynyl)-1,4-dihydro-3,5-pyridinedicarboxylate
9000-89-9
$1.00
Min98% HPLC
Career Henan Chemical Co

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L-AMINO ACID OXIDASE L-AMINO ACID OXIDASE TYPE I L-AMINO ACID OXIDASE TYPE II L-AMINO ACID OXIDASE TYPE IV L-AMINO ACID OXIDASE TYPE VI L-AMINO ACID:OXYGEN OXIDOREDUCTASE L-AMINO ACID: OXYGEN OXIDOREDUCTASE [DEAMINATING] L-AMINO ACID: OXYGEN OXIDOREDUCTASE [DEAMINATING] TYPE II L-AMINO ACID: OXYGEN OXIDOREDUCTASE [DEAMINATING] TYPE IV L-AMINO ACID: OXYGEN OXIDOREDUCTASE [DEAMINATING] TYPE VI IUB: 1.4.3.2 L-AAO aromaticl-aminoacidoxidase l-aminoacidoxidasefromcrotalusada-manteus l-aminooxidase oxidase,l-aminoacid L-AMINO ACID OXIDASE FROM CROTALUS ATROX , ~0.3 U/MG L-AMINO ACID OXIDASE FROM CROTALUS ADA-M ANTEUS, ~0.5 U/MG L-AMINO ACID OXIDASE FROM CROTALUS DURIS L-AMINO ACID OXIDASE TYPE II CRUDEDRIED VENOM FROM L-AMINO ACID OXIDASE TYPE VI CRUDEDRIED VENOM FROM L-AMINO ACID OXIDASE TYPE IV:PURIFIED FR OM CROTALU L-AMINO-ACID OXIDASE TYPE I CRUDE DRIED VENOM FROM D-AminoAcidOxidaseExPigKidney l-amino acid oxidase from bothrops atrox venom l-amino acid oxidase from crotalus atrox (western diamondback rattlesnake) L-AMINO ACID OXIDASE, FROM CROTALUS ADAMANTEUS VENOM L-Amino Acid Oxidase from Crotalus durissus venom L-AAO, L-Amino acid: oxygen oxidoreductase (deaminating) TM-LAO EC 1.4.3.2 AMINO ACID OXIDASE, L- oxygen oxidoreductase(deaminating) L-AMino acid oxidase >4 U/Mg Native Crotalus adamanteus L-Amino Acid Oxidase Native Crotalus atrox L-Amino Acid Oxidase Native Crotalus durissus venom L-Amino Acid Oxidase L-Amino Acid Oxidase from Crotalus atrox (Western Diamondback Rattlesnake) L-Amino Acid Oxidase from Crotalus adamanteus 9000-89-9 Amino Acid Metabolism BioChemical Metabolomics General Metabolic Enzymes