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Merck

PHR1105

Supelco

L-亮氨酸

Pharmaceutical Secondary Standard; Certified Reference Material

别名:

(S)-2-氨基-4-甲基戊酸

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About This Item

线性分子式:
(CH3)2CHCH2CH(NH2)CO2H
CAS号:
分子量:
131.17
Beilstein:
1721722
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
PubChem物質ID:
NACRES:
NA.24

等級

certified reference material
pharmaceutical secondary standard

品質等級

agency

traceable to Ph. Eur. L0375000
traceable to USP 1357001

API 家族

leucine

CofA

current certificate can be downloaded

技術

HPLC: suitable
gas chromatography (GC): suitable

mp

>300 °C (lit.)

應用

pharmaceutical (small molecule)

格式

neat

儲存溫度

2-8°C

SMILES 字串

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 密鑰

ROHFNLRQFUQHCH-YFKPBYRVSA-N

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一般說明

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。

應用

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。

分析報告

这些二级标准品可追溯至USP、EP(PhEur)和BP一级标准品。

其他說明

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

腳註

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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儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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William I A Haynes et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(11), 4804-4814 (2013-03-15)
The identification of a hyperdirect cortico-subthalamic nucleus connection highlighted the important role of the subthalamic nucleus (STN) in regulating behavior. However, this pathway was shown primarily from motor areas. Hyperdirect pathways associated with cognitive and motivational cortical regions are particularly
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
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)

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