Merck
CN

PHR1104

Supelco

L-天冬氨酸

Pharmaceutical Secondary Standard; Certified Reference Material

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别名:
(S)-(+)-氨基琥珀酸, (S)-氨基丁二酸
线性分子式:
HO2CCH2CH(NH2)CO2H
CAS号:
分子量:
133.10
Beilstein:
1723530
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.24

等级

certified reference material
pharmaceutical secondary standard

质量水平

Agency

traceable to Ph. Eur. A1330000
traceable to USP 1043819

API family

aspartic acid

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

>300 °C (dec.) (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical (small molecule)

格式

neat

储存温度

2-30°C

SMILES string

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

InChI key

CKLJMWTZIZZHCS-REOHCLBHSA-N

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一般描述

用于质量控制的制药二级标准品,为制药实验室和制造商制备内部工作标准品提供了一种方便、高性价比的替代方案。L-天冬氨酸是一种非必需氨基酸。它参与尿素循环、克雷布斯循环和DNA代谢。L-天冬氨酸可用作治疗性重组蛋白和单克隆抗体商业生物制造的细胞培养基组分。

应用

这些二级标准品是合格的认证标准物质(CRM)。它们适用于多种分析应用,包括但不限于药物释放测试、药物的定性和定量分析方法开发、食品和饮料质量控制检测以及其他校准需求。

生化/生理作用

快速兴奋突触的主要神经递质。

分析说明

这些二级标准品可追溯至USP、EP(PhEur)和BP一级标准品。

其他说明

该认证参考物质(CRM)根据 ISO 17034ISO/IEC 17025 进行生产和认证。所有关于 CRM 的信息都可以在分析证书上找到。

附注

要查看该材料的分析证书示例,请在下面的栏位中输入 LRAA7167。这只是一个示例证书,可能不是您收到的批次。

推荐产品

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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Guus B Erkens et al.
Nature, 502(7469), 119-123 (2013-10-05)
Excitatory amino acid transporters (EAATs) are secondary transport proteins that mediate the uptake of glutamate and other amino acids. EAATs fulfil an important role in neuronal signal transmission by clearing the excitatory neurotransmitters from the synaptic cleft after depolarization of
Ann-Louise Johansson et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(22), 8912-8917 (2013-05-16)
Proton transfer across biological membranes underpins central processes in biological systems, such as energy conservation and transport of ions and molecules. In the membrane proteins involved in these processes, proton transfer takes place through specific pathways connecting the two sides
Tamami Uejima et al.
Acta crystallographica. Section D, Biological crystallography, 69(Pt 3), 345-351 (2013-03-23)
Rab small GTPases regulate vesicle transport in eukaryotes by interacting with various effectors. Guanine nucleotide-exchange factor (GEF) catalyzes the transition from inactive GDP-bound Rab to active GTP-bound Rab. The existence of several GDP-bound intermediates containing the Arabidopsis thaliana Rab5 homologue
Yoshikatsu Kanai et al.
Molecular aspects of medicine, 34(2-3), 108-120 (2013-03-20)
Glutamate transporters play important roles in the termination of excitatory neurotransmission and in providing cells throughout the body with glutamate for metabolic purposes. The high-affinity glutamate transporters EAAC1 (SLC1A1), GLT1 (SLC1A2), GLAST (SLC1A3), EAAT4 (SLC1A6), and EAAT5 (SLC1A7) mediate the
Yoshiki Tanaka et al.
Nature, 496(7444), 247-251 (2013-03-29)
Multidrug and toxic compound extrusion (MATE) family transporters are conserved in the three primary domains of life (Archaea, Bacteria and Eukarya), and export xenobiotics using an electrochemical gradient of H(+) or Na(+) across the membrane. MATE transporters confer multidrug resistance

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