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Merck

E2425000

4-羟基苯甲酸乙酯

European Pharmacopoeia (EP) Reference Standard

别名:

尼泊金乙酯

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About This Item

线性分子式:
HOC6H4CO2C2H5
CAS号:
分子量:
166.17
Beilstein:
1101972
MDL號碼:
分類程式碼代碼:
41116107
PubChem物質ID:
NACRES:
NA.24

等級

pharmaceutical primary standard

API 家族

parabens

製造商/商標名

EDQM

bp

297-298 °C (lit.)

mp

114-117 °C (lit.)

應用

pharmaceutical (small molecule)

形式

neat

SMILES 字串

CCOC(=O)c1ccc(O)cc1

InChI

1S/C9H10O3/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3

InChI 密鑰

NUVBSKCKDOMJSU-UHFFFAOYSA-N

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一般說明

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

應用

Ethyl parahydroxybenzoate EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

包裝

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

其他說明

Sales restrictions may apply.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Esther Pérez et al.
The Journal of biological chemistry, 279(41), 42584-42592 (2004-08-05)
A few mycobacterial species, most of which are pathogenic for humans, produce dimycocerosates of phthiocerol (DIM) and of glycosylated phenolphthiocerol, also called phenolglycolipid (PGL), two groups of molecules shown to be important virulence factors. The biosynthesis of these molecules is
Maw-Rong Lee et al.
Journal of chromatography. A, 1120(1-2), 244-251 (2006-03-04)
This study evaluated supercritical fluid extraction (SFE) combined with liquid chromatography-mass spectrometry (LC-MS) to determine trace preservatives and antioxidants including methylparaben (MP), ethylparaben (EP), propylparaben (PP), butylparaben (BP), butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), alpha-tocopherol (alpha-t) and alpha-tocopherol acetate (alpha-ta)
Suzanne Abbas et al.
Drug metabolism and pharmacokinetics, 25(6), 568-577 (2010-10-12)
Parabens (alkyl esters of 4-hydroxybenzoic acid) are widely used as preservatives in drugs, cosmetic products, and foodstuffs. Safety concerns have recently increased due to the potential health risks associated to exposure to large amounts of these substances. Biotransformation of parabens
Sawsan El Hussein et al.
Experimental dermatology, 16(10), 830-836 (2007-09-12)
Concern is continuously raised about the safety of parabens which are present in most of the cosmetic preparations. In this investigation, methyl-, ethyl-, propyl- and butyl paraben (MP, EP, PP, BP), in a commercial cosmetic lotion, were deposited on human
S Nicoli et al.
Journal of pharmaceutical sciences, 97(11), 4830-4839 (2008-03-05)
This work aims at investigating the nicotinamide (NA)-ethyl-paraben (EP) binary system both in solution and in the solid state. In particular, the apparent EP solubility in water was studied in the presence of different NA concentrations (between 0.28 and 1.64

实验方案

Separation of Methyl Paraben, analytical standard; Ethylparaben, United States Pharmacopeia (USP) Reference Standard; Propylparaben, United States Pharmacopeia (USP) Reference Standard; Butylparaben, United States Pharmacopeia (USP) Reference Standard

Separation of 4-Hydroxybenzoic acid; Acetylsalicylic acid; Benzoic acid; Salicylic acid; Ethyl 4-hydroxybenzoate

HPLC Analysis of Benzoic Acid Derivatives on Ascentis® C18

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