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PHR1011

Supelco

对羟基苯甲酸乙酯

Pharmaceutical Secondary Standard; Certified Reference Material

同義詞:

4-羟基苯甲酸乙酯, EP, 尼泊金乙酯

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About This Item

線性公式:
HOC6H4CO2C2H5
CAS號碼:
分子量::
166.17
Beilstein:
1101972
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
eCl@ss:
39024522
PubChem物質ID:
酶號碼:
E214
NACRES:
NA.24

等級

certified reference material
pharmaceutical secondary standard

品質等級

agency

traceable to Ph. Eur. E2425000
traceable to USP 1267000

API 家族

parabens

CofA

current certificate can be downloaded

技術

HPLC: suitable
gas chromatography (GC): suitable

bp

297-298 °C (lit.)

mp

114-117 °C (lit.)

應用

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

格式

neat

儲存溫度

2-8°C

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

用于质量控制的制药二级标准品,为制药实验室和制造商制备内部工作标准品提供了一种方便、高性价比的替代方案。

應用

对羟基苯甲酸乙酯可用作药物参考标准品,用于通过高效液相色谱(HPLC)测定药物制剂中的分析物。
这些二级标准品是经过检验的认证标准物质(CRM)。它们适用于多种分析应用,包括但不限于药物释放测试、药物的定性和定量分析方法开发、食品和饮料质量控制检测以及其他标定应用。

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。

其他說明

该认证标准物质(CRM)根据ISO 17034ISO/IEC 17025进行生产和认证。有关此CRM使用的所有信息均可在分析证书上找到。

腳註

想要查看本品的分析证书示例,请在下框中输入LRAC3158。这只是一个示例证书,可能与您收到的批次不符。

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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


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分析證明 (COA)

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存取文件庫

Determination of combined p-hydroxy benzoic acid preservatives in a liquid pharmaceutical formulation by HPLC
Shabir GA.
Journal of Pharmaceutical and Biomedical Analysis, 34(1), 207-213 (2004)
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

條款

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

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

HPLC Analysis of Benzoic Acid Derivatives on Ascentis® C18

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