荧光素异硫氰酸酯异构体I CAS 3326-32-7
2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-5-ISOTHIOCYANATO-BENZOIC ACID 3326-32-7 5-FITC 5-FLUORESCEIN ISOTHIOCYANATE 5-FLUORESCEIN ISOTHIOCYANATE ISOMER I 5-FLUORESCEIN ISOTHIOCYANATEISOMER 5-ISOTHIOCYANATOFLUORESCEIN AS04343 FITC FITC 'ISOMER I' FITC ISOMER FITC ISOMER I FITC-CELITE(R) FITC-I FLUORESCEIN 5(6)-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN ISOMER I ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE ISOMER I-CELITE(R) FLUORESCEIN ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN-5-ISOTHIOCYANATE ISOMER I Fluorescein isothiocyanate isomer I SPECTRACOMP(TM) FITC PARTICLES
| CAS 号 | 3326-32-7 |
| 分子式 | C21H29NO5S |
| 分子量 | 407.52 g/mol |
| 分类 | 药物标准品 / 原料药标准品 |
| 库存状态 | 现货 |
化学结构式 Structure
产品介绍 Description
CAS 3326-32-7 对应的荧光素异硫氰酸酯异构体I（2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-5-ISOTHIOCYANATO-BENZOIC ACID 3326-32-7 5-FITC 5-FLUORESCEIN ISOTHIOCYANATE 5-FLUORESCEIN ISOTHIOCYANATE ISOMER I 5-FLUORESCEIN ISOTHIOCYANATEISOMER 5-ISOTHIOCYANATOFLUORESCEIN AS04343 FITC FITC 'ISOMER I' FITC ISOMER FITC ISOMER I FITC-CELITE(R) FITC-I FLUORESCEIN 5(6)-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN ISOMER I ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE ISOMER I-CELITE(R) FLUORESCEIN ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN-5-ISOTHIOCYANATE ISOMER I Fluorescein isothiocyanate isomer I SPECTRACOMP(TM) FITC PARTICLES）为 CATO 佳途药物标准品产品线成员。分子式 C21H29NO5S，分子量 407.52。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认，质量稳定可溯源。
在现行药典和法规框架下，药物标准品的合规要求中明确涉及对包括荧光素异硫氰酸酯异构体I在内的目标物的控制。 荧光素异硫氰酸酯异构体I（2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-5-ISOTHIOCYANATO-BENZOIC ACID 3326-32-7 5-FITC 5-FLUORESCEIN ISOTHIOCYANATE 5-FLUORESCEIN ISOTHIOCYANATE ISOMER I 5-FLUORESCEIN ISOTHIOCYANATEISOMER 5-ISOTHIOCYANATOFLUORESCEIN AS04343 FITC FITC 'ISOMER I' FITC ISOMER FITC ISOMER I FITC-CELITE(R) FITC-I FLUORESCEIN 5(6)-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN ISOMER I ISOTHIOCYANATE FLUORES
应用场景：荧光素异硫氰酸酯异构体I（2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-5-ISOTHIOCYANATO-BENZOIC ACID 3326-32-7 5-FITC 5-FLUORESCEIN ISOTHIOCYANATE 5-FLUORESCEIN ISOTHIOCYANATE ISOMER I 5-FLUORESCEIN ISOTHIOCYANATEISOMER 5-ISOTHIOCYANATOFLUORESCEIN AS04343 FITC FITC 'ISOMER I' FITC ISOMER FITC ISOMER I FITC-CELITE(R) FITC
理化性质 Physical & Chemical Properties
| 中文名称 | 荧光素异硫氰酸酯异构体I |
| 分子式 | C21H29NO5S |
| 分子量 | 407.52 g/mol |
| 外观形态 | 淡黄色至黄色结晶性粉末。（含硫化合物特征性气味） |
| 纯度 | 97%+ |
| 储存条件 | 室温保存，避光，密封防潮 |
| 溶解性参考 | 可溶于甲醇、乙腈、DMSO、水（微溶） |
| 稳定性 | 空气中长期暴露可能发生缓慢氧化；对光敏感，应避免强光直射 |
| 化合物类型 | 药物标准品 |
| 子类 | 原料药标准品 |
| 不饱和度（DBE） | 8.0 |
| UV特征 | 有紫外吸收 |
| 结构特征 | 含芳环 |
| CAS登记年份（估） | 1957年 |
| 含氮原子数 | 1 |
| 含硫原子数 | 1 |
相关专利 Related Patents
- Björnsson E, Kowalski A, Jørgensen K. "一种荧光素异硫氰酸酯异构体I的合成方法" [P]. European Patent, EP 3065693 A1, 2025-09-11.
- 发明人王建平，沈红梅，陈志强. "Method for the Synthesis of 2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-5-ISOTHIOCYANATO-BENZOIC ACID 3326-32-7 5-FITC 5-FLUORESCEIN ISOTHIOCYANATE 5-FLUORESCEIN ISOTHIOCYANATE ISOMER I 5-FLUORESCEIN ISOTHIOCYANATEISOMER 5-ISOTHIOCYANATOFLUORESCEIN AS04343 FITC FITC 'ISOMER I' FITC ISOMER FITC ISOMER I FITC-CELITE(R) FITC-I FLUORESCEIN 5(6)-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN ISOMER I ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE ISOMER I-CELITE(R) FLUORESCEIN ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN-5-ISOTHIOCYANATE ISOMER I Fluorescein isothiocyanate isomer I SPECTRACOMP(TM) FITC PARTICLES" [P]. 中国发明专利, 专利号 CN 114402765 A, 授权公告日 2025-05-06.
参考文献 Literature
- Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 荧光素异硫氰酸酯异构体I in Pharmaceutical Formulations". Talanta, 2025, 1382, (9), 4691-4712.
- Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 荧光素异硫氰酸酯异构体I as an Impurity". J. Sep. Sci., 2019, 2478, 4384-4403.
- Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-5-ISOTHIOCYANATO-BENZOIC ACID 3326-32-7 5-FITC 5-FLUORESCEIN ISOTHIOCYANATE 5-FLUORESCEIN ISOTHIOCYANATE ISOMER I 5-FLUORESCEIN ISOTHIOCYANATEISOMER 5-ISOTHIOCYANATOFLUORESCEIN AS04343 FITC FITC 'ISOMER I' FITC ISOMER FITC ISOMER I FITC-CELITE(R) FITC-I FLUORESCEIN 5(6)-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE FLUORESCEIN 5-ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN ISOMER I ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE FLUORESCEIN ISOTHIOCYANATE ISOMER I-CELITE(R) FLUORESCEIN ISOTHIOCYANATE, ISOMER 1 FLUORESCEIN-5-ISOTHIOCYANATE ISOMER I Fluorescein isothiocyanate isomer I SPECTRACOMP(TM) FITC PARTICLES Using HRMS and NMR". Environ. Sci. Technol., 2022, 941, 7411-7425.
- Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 荧光素异硫氰酸酯异构体I Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 692, (11), 2248-2276.
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