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PHR1215

Supelco

乳酸

Pharmaceutical Secondary Standard; Certified Reference Material

别名:

DL-乳酸, 2-羟基丙酸

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About This Item

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

表单

liquid

CofA

current certificate can be downloaded

技术

HPLC: suitable
gas chromatography (GC): suitable

折射率

n20/D 1.425 (lit.)

沸点

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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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。

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

储存分类代码

8A - Combustible corrosive hazardous materials

WGK

WGK 1

闪点(°F)

235.4 °F - closed cup

闪点(°C)

113 °C - closed cup

从最新的版本中选择一种：

分析证书(COA)

Lot/Batch Number

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Spectrophotometric determination of lactic acid
Borshchevskaya LN, et al.
Journal of Analytical Chemistry, 71, 755-758 (2016)
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
Annabelle Olsson et al.
Journal of wildlife diseases, 49(3), 560-567 (2013-06-20)
Using a prospective, randomized study design we demonstrate that midazolam sedation minimizes acidosis compared with physical restraint in captive juvenile estuarine crocodiles during handling or noninvasive procedures at preferred body temperature. A dose of midazolam (5.0 mg/kg) was administered intramuscularly
Stephen Yiu Chuen Choi et al.
The Journal of pathology, 230(4), 350-355 (2013-06-05)
The common preference of cancers for lactic acid-generating metabolic energy pathways has led to proposals that their reprogrammed metabolism confers growth advantages such as decreased susceptibility to hypoxic stress. Recent observations, however, suggest that it generates a novel way for
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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