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A9256

Sigma-Aldrich

L-天冬氨酸

≥98% (HPLC)

别名:

(S)-(+)-氨基琥珀酸, (S)-氨基丁二酸

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10 G
¥535.20
100 G
¥1,683.90
500 G
¥5,629.26

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10 G
¥535.20
100 G
¥1,683.90
500 G
¥5,629.26

About This Item

线性分子式:
HO2CCH2CH(NH2)CO2H
CAS Number:
分子量:
133.10
Beilstein:
1723530
EC 号:
MDL编号:
UNSPSC代码:
12352209
eCl@ss:
32160406
PubChem化学物质编号:
NACRES:
NA.26

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Product Name

L-天冬氨酸, reagent grade, ≥98% (HPLC)

等级

reagent grade

质量水平

方案

≥98% (HPLC)

表单

powder, crystals or chunks

颜色

white to off-white

mp

>300 °C (dec.) (lit.)

溶解性

H2O: 5 mg/mL
0.5 M HCl: 50 mg/mL (with heat)
1 M NaOH: 50 mg/mL

SMILES字符串

N[C@@H](CC(O)=O)C(O)=O

InChI

1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1

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GF01979477GF17066178GF59041740
manufacturer/tradename

Goodfellow 332-723-33

manufacturer/tradename

Goodfellow 019-794-77

manufacturer/tradename

Goodfellow 170-661-78

manufacturer/tradename

Goodfellow 590-417-40

form

mesh

form

mesh

form

mesh

form

mesh

resistivity

5.0 μΩ-cm, 20°C

resistivity

5.0 μΩ-cm, 20°C

resistivity

5.0 μΩ-cm, 20°C

resistivity

5.0 μΩ-cm, 20°C

mp

2617 °C (lit.)

mp

2617 °C (lit.)

mp

2617 °C (lit.)

mp

2617 °C (lit.)

density

10.3 g/mL at 25 °C (lit.)

density

10.3 g/mL at 25 °C (lit.)

density

10.3 g/mL at 25 °C (lit.)

density

10.3 g/mL at 25 °C (lit.)

bp

4612 °C (lit.)

bp

4612 °C (lit.)

bp

4612 °C (lit.)

bp

4612 °C (lit.)

应用

L-天冬氨酸被用作芽殖酵母培养的选择性营养缺陷型培养基的组分之一。[1]它还用于研究非酶促糖异生。[2]

生化/生理作用

天冬氨酸是非必需氨基酸。它参与尿素循环、克雷布斯循环和DNA代谢。[3]
快速兴奋突触的主要神经递质。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

法规信息

危险化学品

  • 历史批次信息供参考:

    分析证书(COA)

    Lot/Batch Number

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    Ralf R Mendel et al.
    Biochimica et biophysica acta, 1823(9), 1568-1579 (2012-03-01)
    The transition element molybdenum (Mo) needs to be complexed by a special cofactor in order to gain catalytic activity. With the exception of bacterial Mo-nitrogenase, where Mo is a constituent of the FeMo-cofactor, Mo is bound to a pterin, thus
    Tingyu Shi et al.
    Journal of cellular biochemistry, 112(10), 2721-2728 (2011-06-17)
    When intracelluar pathogens enter the host macrophages where in addition to oxidative and antibiotic mechanisms of antimicrobial activity, nutrients are deprived. Human pathogen Mycobacterium tuberculosis is one of macrophage parasitisms, which can replicate and persist for decades in dormancy state
    Bernd Masepohl et al.
    Advances in experimental medicine and biology, 675, 49-70 (2010-06-10)
    The vast majority of the purple nonsulfur photosynthetic bacteria are diazotrophs, but the details of the complex regulation of the nitrogen fixation process are well understood only for a few species. Here we review what is known of the well-studied
    Lidia Regoli et al.
    The Science of the total environment, 435-436, 96-106 (2012-08-01)
    In a regulatory context, bioaccumulation or bioconcentration factors are used for considering secondary poisoning potential and assessing risks to human health via the food chain. In this paper, literature data on the bioaccumulation of molybdenum in the aquatic organisms are
    Guenter Schwarz et al.
    Metal ions in life sciences, 13, 415-450 (2014-01-29)
    Molybdenum is an essential trace element and crucial for the survival of animals. Four mammalian Mo-dependent enzymes are known, all of them harboring a pterin-based molybdenum cofactor (Moco) in their active site. In these enzymes, molybdenum catalyzes oxygen transfer reactions

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