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Merck

PHR1173

Supelco

N-乙酰-L-酪氨酸

Pharmaceutical Secondary Standard; Certified Reference Material

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About This Item

线性分子式:
4-(HO)C6H4CH2CH(NHCOCH3)CO2H
CAS号:
分子量:
223.23
Beilstein:
2697172
EC號碼:
MDL號碼:
分類程式碼代碼:
41116107
eCl@ss:
32160406
PubChem物質ID:
NACRES:
NA.24

等級

certified reference material
pharmaceutical secondary standard

品質等級

agency

traceable to USP 1010106

API 家族

acetyltyrosine

CofA

current certificate can be downloaded

技術

HPLC: suitable
gas chromatography (GC): suitable

mp

149-152 °C (lit.)

應用

pharmaceutical (small molecule)

格式

neat

儲存溫度

2-8°C

SMILES 字串

CC(=O)N[C@@H](Cc1ccc(O)cc1)C(O)=O

InChI

1S/C11H13NO4/c1-7(13)12-10(11(15)16)6-8-2-4-9(14)5-3-8/h2-5,10,14H,6H2,1H3,(H,12,13)(H,15,16)/t10-/m0/s1

InChI 密鑰

CAHKINHBCWCHCF-JTQLQIEISA-N

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一般說明

N-乙酰基-L-酪氨酸是氨基酸L-酪氨酸的乙酰基衍生物。与L-酪氨酸相比,它易溶于水,通常用作注射营养补充剂。
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

N-乙酰基-L-酪氨酸可用作药物标准品,用于通过滴定分析和高效液相色谱法测定散装药物和药物制剂中的分析物。
这些二级标准品是合格的认证标准物质(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校准需求。

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

分析物的数值在批次间变化很大。
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检验报告上找到。

腳註

想要查看本品的检验报告示例,请在下框中输入LRAA6108。这只是一个示例证书,可能与您收到的批次不符。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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N-Acetyltyrosine
European Pharmacopoeia Commission and European Directorate for the Quality of Medicines & Healthcare
European pharmacopoeia, 1641-1642 (2017)
N-Acetyltyrosine
Pharmacopeia, US
United States Pharmacopeia/National Formulary, 38(3)(5), 4702-4702 (2018)
Michael J Napolitano et al.
Chemical research in toxicology, 18(3), 501-508 (2005-03-22)
The reactions of aqueous ClO2 with tyrosine, N-acetyltyrosine, and dopa (3,4-dihydroxyphenylalanine) are investigated from pH 4 to 7. The reaction rates increase greatly with pH to give a series of oxidized products. Tyrosine and N-acetyltyrosine have similar reactivities with second-order
Sandrine Perrier et al.
Journal of the American Chemical Society, 131(34), 12458-12465 (2009-08-08)
Steady-state (1)H photo-chemically induced dynamic nuclear polarization (CIDNP) experiments were conducted at 14.1 T on deoxygenated (buffered pH 7) aqueous solutions of [Ru(phen)(3)](2+), [Ru(tap)(2)(phen)](2+), and [Ru(tap)(3)](2+) (tap = 1,4,5,8-tetraazaphenanthrene; phen = 1,10-phenanthroline) in the presence of guanosine-5'-monophosphate or N-acetyltyrosine. For
V Kahn et al.
Pigment cell research, 11(1), 24-33 (1998-04-02)
N-acetyl tyrosine (NAT) is hydroxylated by mushroom tyrosinase and the N-acetyl dopa formed is oxidized by the enzyme to N-acetyl dopaquinone (lambda max = 390 +/- 10 nm). H2O2 and NH2OH each shortened the lag period of NAT hydroxylation by

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