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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

For important updates on recent policy changes, please click here for more details.

Merck
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主要文件

PHR1541

Supelco

亚叶酸钙盐

Pharmaceutical Secondary Standard; Certified Reference Material

别名:

亚叶酸 钙盐, 叶醛酸钙

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About This Item

经验公式(希尔记法):
C20H21CaN7O7
CAS号:
分子量:
511.50
EC 号:
UNSPSC代码:
41116107
NACRES:
NA.24

价格与库存信息目前不能提供

等级

certified reference material
pharmaceutical secondary standard

质量水平

Agency

traceable to BP 923
traceable to Ph. Eur. C0250000
traceable to USP 1358004

API类

leucovorin

CofA

current certificate can be downloaded

包装

ampule of 1 g

技术

HPLC: suitable
gas chromatography (GC): suitable

应用

pharmaceutical (small molecule)

包装形式

neat

储存温度

2-8°C

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此商品
47612C0250000Y0002071
format

neat

format

-

format

neat

format

neat

Quality Level

300

Quality Level

200

Quality Level

-

Quality Level

-

grade

certified reference material, pharmaceutical secondary standard

grade

-

grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

−20°C

packaging

ampule of 1 g

packaging

-

packaging

-

packaging

-

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

亚叶酸钙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。[1]
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。

分析说明

这些二级标准品可追溯至USP、EP和BP一级标准品。

其他说明

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检验报告上找到。

附注

想要查看本品的检验报告示例,请在下框中输入LRAC1687。这只是一个示例证书,可能与您收到的批次不符。

相关产品

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

  • 技术规格说明书

  • 历史批次信息供参考:

    分析证书(COA)

    Lot/Batch Number

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    Oil-in-water microemulsion high performance liquid chromatographic analysis of pharmaceuticals.
    Marsh A, et al.
    Chromatographia, 59(9), 531-542 (2004)

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