Merck
CN

PHR1099

Supelco

L -异亮氨酸

Pharmaceutical Secondary Standard; Certified Reference Material

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别名:
(2S,3R)-2-氨基-3-甲基戊酸
线性分子式:
C2H5CH(CH3)CH(NH2)CO2H
CAS号:
分子量:
131.17
Beilstein:
1721792
EC 号:
MDL编号:
eCl@ss:
32160406
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. I0460000
traceable to USP 1349502

API family

leucine

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

288 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

格式

neat

储存温度

2-8°C

SMILES string

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

InChI

1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1

InChI key

AGPKZVBTJJNPAG-WHFBIAKZSA-N

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一般描述

L-异亮氨酸是L-亮氨酸的异构体,是一种基本氨基酸。它是从苏氨酸合成的,是一种带支链的疏水氨基酸。
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-异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

该认证标准物质(CRM)根据ISO 17034ISO/IEC 17025进行生产和认证。有关此CRM使用的所有信息均可在检验报告上找到。

附注

想要查看本品的检验报告示例,请在下框中输入LRAA7132。这只是一个示例证书,可能与您收到的批次不符。

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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Urho M Kujala et al.
Circulation, 127(3), 340-348 (2012-12-22)
Long-term physical inactivity seems to cause many health problems. We studied whether persistent physical activity compared with inactivity has a global effect on serum metabolome toward reduced cardiometabolic disease risk. Sixteen same-sex twin pairs (mean age, 60 years) were selected
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)
Eva Blomstrand et al.
The Journal of nutrition, 136(1 Suppl), 269S-273S (2005-12-21)
BCAAs (leucine, isoleucine, and valine), particularly leucine, have anabolic effects on protein metabolism by increasing the rate of protein synthesis and decreasing the rate of protein degradation in resting human muscle. Also, during recovery from endurance exercise, BCAAs were found
L Edvinsson
Blood vessels, 28(1-3), 35-45 (1991-01-01)
The cerebral circulation is supplied with two vasodilator systems: the parasympathetic system storing vasoactive intestinal peptide, peptide histidine isoleucine, acetylcholine and in a subpopulation of nerves neuropeptide Y, and the sensory system, mainly originating in the trigeminal ganglion, storing substance
Anna L Vestergaard et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(14), E1334-E1343 (2014-04-08)
P4-ATPases (flippases) translocate specific phospholipids such as phosphatidylserine from the exoplasmic leaflet of the cell membrane to the cytosolic leaflet, upholding an essential membrane asymmetry. The mechanism of flipping this giant substrate has remained an enigma. We have investigated the

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