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Merck

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:
分子量:
90.08
Beilstein:
1209341
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
PubChem物質ID:
酶號碼:
E270
NACRES:
NA.24

等級

certified reference material
pharmaceutical secondary standard

品質等級

agency

traceable to USP 1356734

API 家族

lactic acid

形狀

liquid

CofA

current certificate can be downloaded

技術

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.)

應用

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

儲存溫度

2-8°C

SMILES 字串

CC(O)C(O)=O

InChI

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

InChI 密鑰

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

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一般說明

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。

應用

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

分析報告

这些二级标准品可追溯至USP、EP(PhEur)和BP一级标准品。

腳註

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。

象形圖

Corrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1 - Skin Corr. 1C

安全危害

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

235.4 °F - closed cup

閃點(°C)

113 °C - closed cup


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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
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
Michael Hawkes et al.
The American journal of tropical medicine and hygiene, 90(4), 605-608 (2014-03-05)
Severe malaria is frequently managed without access to laboratory testing. We report on the performance of point-of-care tests used to guide the management of a cohort of 179 children with severe malaria in a resource-limited Ugandan hospital. Correlation coefficients between

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