推荐产品
等级
certified reference material
pharmaceutical secondary standard
质量水平
Agency
traceable to Ph. Eur. H0750000
traceable to USP 1308505
API类
histidine
CofA
current certificate can be downloaded
技术
HPLC: suitable
gas chromatography (GC): suitable
mp
282 °C (dec.) (lit.)
应用
cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical (small molecule)
包装形式
neat
储存温度
2-30°C
SMILES字符串
N[C@@H](Cc1c[nH]cn1)C(O)=O
InChI
1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
InChI key
HNDVDQJCIGZPNO-YFKPBYRVSA-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-组氨酸是一种必需氨基酸，广泛存在于酶的活性部位。它可与金属离子结合，并可能有助于铜的运输。它还在蛋白质结合位点上对血红素基团、大分子和磷酸基团的结合起着重要作用。
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
组胺的前体,经组氨酸脱羧酶作用可生成组胺。
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 17034 和 ISO/IEC 17025 进行生产和认证。所有关于客户关系管理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LRAA7159。这只是一个示例证书，可能不是您收到的批次。
推荐产品
在我们的NMR在线平台ChemisTwin®上可以找到本品对应的数字化标准物质。您可使用ChemisTwin®上的数字等效品鉴定您的样品并进行定量分析（使用数字化外标）。可查看该物质的NMR谱图，只需点击几次鼠标，就能进行在线样品比对。欢迎点击了解更多，开启免费试用之旅。
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
Shweta Singh et al.
Microbial cell factories, 7, 28-28 (2008-10-14)
The large-scale production of G-protein coupled receptors (GPCRs) for functional and structural studies remains a challenge. Recent successes have been made in the expression of a range of GPCRs using Pichia pastoris as an expression host. P. pastoris has a
Urszula Kosinska Eriksson et al.
Science (New York, N.Y.), 340(6138), 1346-1349 (2013-06-15)
Aquaporins are membrane channels that facilitate the flow of water across biological membranes. Two conserved regions are central for selective function: the dual asparagine-proline-alanine (NPA) aquaporin signature motif and the aromatic and arginine selectivity filter (SF). Here, we present the
Pawel Swietach et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(22), E2064-E2073 (2013-05-17)
Ca(2+) signaling regulates cell function. This is subject to modulation by H(+) ions that are universal end-products of metabolism. Due to slow diffusion and common buffers, changes in cytoplasmic [Ca(2+)] ([Ca(2+)]i) or [H(+)] ([H(+)]i) can become compartmentalized, leading potentially to
Camilla Hofström et al.
Journal of medicinal chemistry, 56(12), 4966-4974 (2013-05-23)
Engineered affibody molecules can be used for high contrast in vivo molecular imaging. Extending a recombinantly produced HER2 binding affibody molecule with a hexa-histidine tag allows for convenient purification by immobilized metal-ion affinity chromatography and labeling with [(99m)Tc(CO)3](+) but increases
H M Golder et al.
Journal of dairy science, 97(8), 5131-5150 (2014-06-03)
Ruminal bacterial community composition (BCC) and its associations with ruminal fermentation measures were studied in dairy heifers challenged with combinations of grain, fructose, and histidine in a partial factorial study. Holstein-Friesian heifers (n=30) were randomly allocated to 5 triticale grain-based
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