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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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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


从最新的版本中选择一种:

分析证书(COA)

Lot/Batch Number

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访问文档库

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
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
Eileen F O' Shea et al.
Current opinion in biotechnology, 24(2), 130-134 (2013-01-23)
Lactic acid bacteria (LAB) produce a wide variety of antimicrobial peptides (bacteriocins) which contribute to the safety and preservation of fermented foods. This review discusses strategies that have been or could be employed to further enhance the commercial application of
Jan Martinussen et al.
Current opinion in biotechnology, 24(2), 124-129 (2012-12-26)
The ability of lactic acid bacteria to produce lactic acid from various sugars plays an important role in food fermentations. Lactic acid is derived from pyruvate, the end product of glycolysis and thus a fast lactic acid production rate requires

实验方案

Separation of Pyruvic acid, United States Pharmacopeia (USP) Reference Standard; Tartaric acid, United States Pharmacopeia (USP) Reference Standard; Citric acid, United States Pharmacopeia (USP) Reference Standard; Malic acid, United States Pharmacopeia (USP) Reference Standard; L-Pyroglutamic acid, ≥99.0% (T); Lactic acid, United States Pharmacopeia (USP) Reference Standard; Acetic acid, ≥99.99% trace metals basis; Succinic acid, United States Pharmacopeia (USP) Reference Standard

Chromatograms

application for HPLCapplication for HPLC

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