等级
certified reference material
pharmaceutical secondary standard
质量水平
Agency
traceable to Ph. Eur. L0375000
traceable to USP 1357001
API类
leucine
CofA
current certificate can be downloaded
技术
HPLC: suitable
gas chromatography (GC): suitable
mp
>300 °C (lit.)
应用
pharmaceutical (small molecule)
格式
neat
储存温度
2-8°C
SMILES字符串
CC(C)C[C@H](N)C(O)=O
InChI
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
InChI key
ROHFNLRQFUQHCH-YFKPBYRVSA-N
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一般描述
亮氨酸是一种非生糖必需氨基酸，是蛋白质的一种结构性成分。
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。
应用
L-亮氨酸可用作高效液相色谱技术定量检测药物制剂中分析物的药物参考标准品。
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。
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，请在下方栏位输入 LRAA6929。这只是一个示例证书，可能不是您收到的批次。
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相关产品
产品编号
说明
价格
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
M Sakamoto et al.
The Journal of clinical endocrinology and metabolism, 56(1), 202-204 (1983-01-01)
Recent studies on the nucleotide sequence of cloned DNA complementary to mRNA for preproenkephalin from bovine adrenal medulla and human pheochromocytoma have revealed that this precursor molecule contains four copies of methionine-enkephalin (Met-Enk) and one copy each of leucine-enkephalin (Leu-Enk)
HPLC-fluorescence determination of amino acids in pharmaceuticals after pre-column derivatization with phanquinone
Gatti.R, et al.
Journal of Pharmaceutical and Biomedical Analysis, 35(2), 339-348 (2004)
T Yoshimasa et al.
The Journal of clinical investigation, 69(3), 643-650 (1982-03-01)
To elucidate the physiological and pathophysiological significance of methionine- and leucine-enkephalin (Met-and Leu-enkephalin, respectively) in human sympathoadrenal system, the contents of these peptides in normal human sympathetic nervous system, adrenal medulla, and pheochromocytomas were determined by specific radioimmunoassays combined with
Sebastian Kalamajski et al.
Matrix biology : journal of the International Society for Matrix Biology, 29(4), 248-253 (2010-01-19)
Small leucine-rich proteoglycans/proteins (SLRPs) are associated with collagen fibril formation, and therefore important for the proper formation of extracellular matrices. SLRPs are differentially expressed in tissues and during pathological conditions, contributing to the development of connective tissue properties. The binding
Marika Leenders et al.
Nutrition reviews, 69(11), 675-689 (2011-10-28)
Amino acids function as precursors for de novo protein synthesis. In addition, however, they play a key role as nutritional signals that regulate multiple cellular processes. There is ample in vitro and in vivo evidence showing that muscle tissue responds
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