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等级
certified reference material
pharmaceutical secondary standard
质量水平
Agency
traceable to Ph. Eur. M01000000
traceable to USP 1374500
API类
maleic acid
CofA
current certificate can be downloaded
技术
HPLC: suitable
gas chromatography (GC): suitable
mp
130-135 °C (lit.)
密度
1.59 g/mL at 25 °C (lit.)
应用
pharmaceutical (small molecule)
包装形式
neat
储存温度
2-30°C
SMILES字符串
OC(=O)\C=C/C(O)=O
InChI
1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
InChI key
VZCYOOQTPOCHFL-UPHRSURJSA-N
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一般描述
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。
应用
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。
马来酸可作为药物参考标准品，通过分光光度技术对药物制剂中的分析物进行测定。
分析说明
这些二级标准品可追溯至USP、EP（PhEur）和BP一级标准品。
其他说明
该认证参考物质 (CRM) 按照 ISO 17034 和 ISO/IEC 17025 生产和认证。所有关于此 CRM 的信息均记载在分析证书中。
附注
欲查看该材料的分析证书示例，请在下面的栏位中输入LRAA0008。这只是一个示例证书，可能不是您收到的批次。
推荐产品
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。
警示用语：
Danger
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3
靶器官
Respiratory system
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Spectrophotometric determination of ascorbic acid in pharmaceuticals by background correction and flow injection
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