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L-硒代蛋氨酸

L-硒代蛋氨酸用途

L-SelenoMethionine是一种重要的天然食品形态硒, 是重要的有机硒源之一。

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L-硒代蛋氨酸名称

[ CAS 号 ]:
3211-76-5

[ 中文名 ]:
L-硒代蛋氨酸

[ 英文名 ]:
L-Selenomethionine

[中文别名 ]:

[英文别名 ]:

L-Selenomethioninum
(2S)-2-Amino-4-(methylseleno)butanoic acid
(S)-2-Amino-4-(Methylseleno)Butyric Acid
MFCD00037210
(2S)-2-Amino-4-(methylselanyl)butanoic acid
Selenium-L-methionine
Se-methionine
SeMet
L-selenomethionine zwitterion
(S)-2-Amino-4-(methylselanyl)butanoic acid

L-硒代蛋氨酸生物活性

[ 描述 ]:

L-SelenoMethionine是一种重要的天然食品形态硒, 是重要的有机硒源之一。

[ 相关类别 ]:

天然产物 >> 其他

研究领域 >> 其他

[ 靶点 ]

Human Endogenous Metabolite

[参考文献]

[1]. Schrauzer GN, et al. Selenomethionine: a review of its nutritional significance, metabolism and toxicity. J Nutr. 2000 Jul;130(7):1653-1656.

[相关活性小分子]

L-硒代蛋氨酸物理化学性质

[ 沸点 ]:
320.8±37.0 °C at 760 mmHg

[ 熔点 ]:
265 °C

[ 分子式 ]:
C₅H₁₁NO₂Se

[ 分子量 ]:
196.106

[ 闪点 ]:
147.8±26.5 °C

[ 精确质量 ]:
196.995499

[ PSA ]:
63.32000

[ LogP ]:
-0.65

[ 外观性状 ]:
白色至灰白色粉末

[ 蒸汽压 ]:
0.0±1.5 mmHg at 25°C

[ 折射率 ]:
18 ° (C=0.5, 2mol/L HCl)

[ 储存条件 ]:
<0°C;存放于惰性气体之中;避免空气,湿气 (吸湿),加热

[ 水溶解性 ]:
soluble

L-硒代蛋氨酸MSDS

L-硒代蛋氨酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EK7713840

CHEMICAL NAME :: Butanoic acid, 2-amino-4-(methylseleno)-, (S)-

CAS REGISTRY NUMBER :: 3211-76-5

LAST UPDATED :: 199707

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H11-N-O2-Se

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 269 mg/kg/8W-C

TOXIC EFFECTS :: Liver - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: JTEMEM Journal of Trace Elements in Experimental Medicine. (Wiley-Liss, Inc., 605 Third Ave., New York, NY 10158-0012) V.1- 1988- Volume(issue)/page/year: 4,69,1991

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L-硒代蛋氨酸安全信息

[ 符号 ]:

GHS06, GHS08, GHS09

[ 信号词 ]:
Danger

[ 危害声明 ]:
H301 + H331-H373-H410

[ 警示性声明 ]:
Missing Phrase - N15.00950417-P260-P304 + P340 + P312-P403 + P233

[ 危害码 (欧洲) ]:
T:Toxic;N:Dangerousfortheenvironment;

[ 风险声明 (欧洲) ]:
R23/25;R33;R50/53

[ 安全声明 (欧洲) ]:
S20/21-S28-S45-S60-S61-S28A

[ 危险品运输编码 ]:
UN 3283 6.1/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
EK7713840

[ 包装等级 ]:
I; II; III

[ 危险类别 ]:
6.1

[ 海关编码 ]:
2922499990

L-硒代蛋氨酸合成路线

L-硒代蛋氨酸上下游产品

L-硒代蛋氨酸上游产品

L-硒代蛋氨酸下游产品

L-硒代蛋氨酸海关

[ 海关编码 ]: 2922499990

[ 中文概述 ]:
2922499990 其他氨基酸及其酯及它们的盐（含有一种以上含氧基的除外）. 增值税率:17.0% 退税率:9.0% 监管条件:AB(入境货物通关单,出境货物通关单) 最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: P.进境动植物、动植物产品检疫 Q.出境动植物、动植物产品检疫 R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验

[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

L-硒代蛋氨酸文献

Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.

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Structure of the Ergothioneine-Biosynthesis Amidohydrolase EgtC.

ChemBioChem. 16 , 1490-6, (2015)

The ubiquitous sulfur metabolite ergothioneine is biosynthesized by oxidative attachment of a sulfur atom to the imidazole ring of Nα-trimethylhistidine. Most actinobacteria, including Mycobacterium t...

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