舒更葡糖杂质

药智价格：

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货源类别：

现货
发布时间：

2022-10-21 10:33:29
供应商：

罗辅医药科技（上海）有限公司
供应分类：

药用辅料

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6-Deoxy-6-methylthio-heptakis(6-deoxy-6-(2-carboxyethyl)thio)-gamma-cyclodextrin
Abbreviation: Mono-SMe-SGM
CAS Number: -
Product Number: CY-3239
Cyclodextrin type: analytical standard
Quality: analytical standard

CHEMICAL AND PHYSICAL DESCRIPTION

Molecular Formula	C₇₀H_110-nNa_nO₄₆S₈
Formula Weight	1944 + n·22
Solubility (in 100 cm³ solvent, at 25 °C)	Water: soluble

SPECIFICATION

Tests and methods	Requirements
Identification 1 LC-MS	conforms to theoretical mass
Identification 2 NMR; EP 2.2.33	conforms to theoretical structure
Identification 3 IR; EP 2.2.24	conforms to theoretical structure
Purity HPLC¹; EP 2.2.29	>90%
Other cyclodextrin-related impurities HPLC¹; EP 2.2.29	<10%
Sodium content CE; EP 2.2.47	<10%
Residual solvents TGM-MS	<10%
Purity calculated²	to be reported

¹ HPLC analysis is carried out on an Agilent Poroshell column, with H₃PO₄/ NH₃ buffer system at pH=2.6 and UV-Vis detection
² Calculated purity = 100% - (Other cyclodextrin-related impurities + Sodium formate content + Residual solvents)

IMPORTANT: the compound is supplied in slightly acidic form for stability reasons; the actual molar sodium content (n) is indicated on the Certificate of Analysis of each batch.

Notes: the compound is a single isomer.
Comments: only for reagent and laboratory purposes, not for human use.
Storage: at -20 °C, under inert atmosphere, in tightly closed container.