5(6)-羧基荧光素 (CAS No.72088-94-9)
- 物化性质
- 橙黄色至红色粉末，微溶于水，易溶于甲醇、乙醇、DMSO、DMF等有机溶剂。在碱性水溶液中溶解性增加并呈黄绿色荧光。熔点大于300℃（分解）。荧光激发波长约492nm，发射波长约517nm（pH 8.0）。
- 含量
- ≥95%（HPLC）。
- 外观
- 橙黄色至红色粉末。
- 溶解性
- 溶于DMSO、DMF、乙醇，微溶于水。
English description（英文原文，共 1245 字符）
Product Name:5(6)-Carboxyfluorescein
English Name:5(6)-Carboxyfluorescein
CAS No.:72088-94-9
Aliases:5(6)-FAM, 5/6-Carboxyfluorescein, Carboxyfluorescein (mixture of isomers)
Molecular Formula:C21H12O7
Physical Properties:Orange-yellow to red powder, slightly soluble in water, freely soluble in methanol, ethanol, DMSO, DMF and other organic solvents. Solubility increases in alkaline aqueous solution with yellow-green fluorescence. Melting point >300°C (decomposition). Fluorescence excitation wavelength approximately 492 nm, emission wavelength approximately 517 nm (pH 8.0).
Uses:Used as a fluorescent labeling agent for preparing active derivatives such as succinimidyl esters, which are employed to label proteins, antibodies, and peptides. Also serves as a key intermediate in the synthesis of fluorescent probes, widely applied in fluorescence immunoassay, cell imaging, and flow cytometry.
Technical Specifications:
Purity: ≥95% (HPLC).
Appearance: orange-yellow to red powder.
Molecular formula: C21H12O7, molecular weight: 376.32.
Solubility: soluble in DMSO, DMF, ethanol; slightly soluble in water.
Fluorescence properties: excitation wavelength approximately 492 nm, emission wavelength approximately 517 nm (pH 8.0).
English Name:5(6)-Carboxyfluorescein
CAS No.:72088-94-9
Aliases:5(6)-FAM, 5/6-Carboxyfluorescein, Carboxyfluorescein (mixture of isomers)
Molecular Formula:C21H12O7
Physical Properties:Orange-yellow to red powder, slightly soluble in water, freely soluble in methanol, ethanol, DMSO, DMF and other organic solvents. Solubility increases in alkaline aqueous solution with yellow-green fluorescence. Melting point >300°C (decomposition). Fluorescence excitation wavelength approximately 492 nm, emission wavelength approximately 517 nm (pH 8.0).
Uses:Used as a fluorescent labeling agent for preparing active derivatives such as succinimidyl esters, which are employed to label proteins, antibodies, and peptides. Also serves as a key intermediate in the synthesis of fluorescent probes, widely applied in fluorescence immunoassay, cell imaging, and flow cytometry.
Technical Specifications:
Purity: ≥95% (HPLC).
Appearance: orange-yellow to red powder.
Molecular formula: C21H12O7, molecular weight: 376.32.
Solubility: soluble in DMSO, DMF, ethanol; slightly soluble in water.
Fluorescence properties: excitation wavelength approximately 492 nm, emission wavelength approximately 517 nm (pH 8.0).
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| 产品名称 | 纯度 | 包装规格 | 级别 | 价格 | 库存 | 操作 |
|---|---|---|---|---|---|---|
| 5(6)-羧基荧光素 CAS 72088-94-9 | ≥95%（HPLC） | — | 工业级 | 电议 | — | 询价 |
常见问题
- 5(6)-羧基荧光素的 CAS 号是多少？
- 5(6)-羧基荧光素的 CAS 号是 72088-94-9。
- 5(6)-羧基荧光素的分子式和分子量是什么？
- 5(6)-羧基荧光素的分子式为 C21H12O7。
- 5(6)-羧基荧光素的英文名称是什么？
- 5(6)-羧基荧光素的英文名称为 5(6)-Carboxyfluorescein。
- 5(6)-羧基荧光素还有哪些别名？
- 5(6)-羧基荧光素又称 5(6)-FAM、5/6-羧基荧光素、羧基荧光素（混合异构体）。
- 5(6)-羧基荧光素有哪些供应商和生产厂家？
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