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文件

PHR1215

Supelco

乳酸

Pharmaceutical Secondary Standard; Certified Reference Material

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别名:
DL-乳酸, 2-羟基丙酸
线性分子式:
CH3CH(OH)COOH
CAS号:
50-21-5
分子量:
90.08
Beilstein:
1209341
EC 号:
200-018-0
MDL编号:
MFCD00004520
UNSPSC代码:
41116107
PubChem化学物质编号:
329823222
E编号:
E270
NACRES:
NA.24

等级

certified reference material
pharmaceutical secondary standard

质量水平

300

Agency

traceable to USP 1356734

API类

lactic acid

形式

liquid

CofA

current certificate can be downloaded

技术

HPLC: suitable
gas chromatography (GC): suitable

折射率

n20/D 1.425 (lit.)

bp

122 °C/15 mmHg (lit.)

密度

1.209 g/mL at 25 °C (lit.)

应用

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

储存温度

2-8°C

SMILES字符串

CC(O)C(O)=O

InChI

1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)

InChI key

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

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相关类别

一般描述

该认证标准物质（CRM）根据ISO 17034和ISO/IEC 17025生产和认证。有关使用此 CRM 的所有信息可参考分析证书。

用于质量控制的药品二级标准品，为制药实验室和制造商提供了一种方便且经济的替代方案，可用于内部工作标准品的制备。

应用

本制药二级标准品还可作如下用途：

  • 通过高效液相色谱法（HPLC）结合 UV 检测器对细菌培养上清液中的四种短链脂肪酸和乳酸进行定量分析
  • 使用 390 nm 分光光度法测定生物文化制品和乳制品中的乳酸

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。

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LRAC0280。这只是一个示例证书，可能不是您收到的批次。

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象形图

Corrosion
GHS05

警示用语：

Danger

危险声明

H314

危险分类

Eye Dam. 1 - Skin Corr. 1C

补充剂危害

EUH071

WGK

WGK 1

闪点(°F)

235.4 °F

闪点(°C)

113 °C

分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。

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Spectrophotometric determination of lactic acid
Borshchevskaya LN, et al.
Journal of Analytical Chemistry, 71, 755-758 (2016)
Mohamed Ali Abdel-Rahman et al.
Biotechnology advances, 31(6), 877-902 (2013-04-30)
Fermentative production of optically pure lactic acid has roused interest among researchers in recent years due to its high potential for applications in a wide range of fields. More specifically, the sharp increase in manufacturing of biodegradable polylactic acid (PLA)
James Steele et al.
Current opinion in biotechnology, 24(2), 135-141 (2013-01-03)
It has been known since the 1960s that lactic acid bacteria are essential for the development of cheese flavor. In the ensuing 50 years significant research has been directed at understanding the microbiology, genetics and biochemistry of this process. This
Oystein Sylta et al.
International journal of sports physiology and performance, 9(1), 100-107 (2014-01-11)
The authors directly compared 3 frequently used methods of heart-rate-based training-intensity-distribution (TID) quantification in a large sample of training sessions performed by elite endurance athletes. Twenty-nine elite cross-country skiers (16 male, 13 female; 25 ± 4 y; 70 ± 11
Paula Gaspar et al.
Biotechnology advances, 31(6), 764-788 (2013-04-10)
The lactic acid bacteria (LAB) are a functionally related group of low-GC Gram-positive bacteria known essentially for their roles in bioprocessing of foods and animal feeds. Due to extensive industrial use and enormous economical value, LAB have been intensively studied
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