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F4383

Sigma-Aldrich

7-氟苯并呋喃-4-磺酸 铵盐

≥98%

别名:

4-氟-7-磺酸苯并呋咱 铵盐, 7-氟苯呋咱-4-硫酸铵盐, 7-氟苯并-2,1,3-噁二唑-4-磺酸 铵盐, SBD-F

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About This Item

线性分子式:
C6H3FN2O4S · NH3
CAS号:
84806-27-9
分子量:
235.19
Beilstein:
5199564
MDL號碼:
MFCD02682109
分類程式碼代碼:
12352106
PubChem物質ID:
24894861
NACRES:
NA.32

品質等級

200

化驗

≥98%

儲存條件

protect from light

螢光

λex 380 nm; λem 515 nm

儲存溫度

−20°C

SMILES 字串

N.OS(=O)(=O)c1ccc(F)c2nonc12

InChI

1S/C6H3FN2O4S.H3N/c7-3-1-2-4(14(10,11)12)6-5(3)8-13-9-6;/h1-2H,(H,10,11,12);1H3

InChI 密鑰

JXLHNMVSKXFWAO-UHFFFAOYSA-N

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一般說明

7-氟苯呋嗪-4-磺酸铵盐，又称SBD-F，是一种低分子量敏感荧光探针。SBD-F与巯基发射反应（二硫化物不与SBD-F反应，必须首先还原为硫醇，如三丁基膦），产生高荧光化合物。 硫醇与SBD-F的反应速率随pH升高而逐渐增加。在pH值2-12时观察到高荧光强度。 SBD-F的激发范围为380-385nm，发射范围为510-515nm。

應用

SBD-F适用于皮摩尔级别生物硫醇的HPLC测定。SBD-F已用于通过HPLC方法测量总血浆和血清同型半胱氨酸水平。它也适用于通过串联柱高效液相色谱法和等溶剂体系测定金属硫蛋白。 SBD-F已用于确定蛋白质中半胱氨酸残基二硫键的位置以及检测含半胱氨酸的多肽。
硫醇的荧光探针，HPLC 中生物硫醇的柱前标记物

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

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分析证书(COA)

Lot/Batch Number
SLCG7255
SLCB3695
SLBW0382
SLBS9219
SLBC5879V

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Pseudomonas sp. 109 produces a unique lipase (LipL) which efficiently catalyzes intramolecular transesterification of omega-hydroxyesters to form macrocyclic lactones. The production of the enzymatically active LipL requires a specific molecular chaperon (LimL protein) together with a low-M(r) lipase-activation-factor (LAF) of
J B Ubbink
Seminars in thrombosis and hemostasis, 26(3), 233-241 (2000-09-30)
Analytical methods to measure plasma total homocyst(e)ine (tHcy) concentrations are reviewed. High-pressure liquid chromatography (HPLC) with fluorometric detection is the most widely used method to determine plasma tHcy concentrations. Both monobromobimane and ammonium 7-fluorobenzo-2-oxa-1,3-diazole-4-sulphonate (SBD-F) are popular thiol-specific fluorogenic agents
Fluorometric assay of thiols with fluorobenzoxadiazoles.
K Imai et al.
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I Daskalakis et al.
Biomedical chromatography : BMC, 10(5), 205-212 (1996-09-01)
A sensitive HPLC-fluorescence method for determining total endogenous plasma homocysteine (Hcy), cysteine (Cys) and cysteinylglycine (Cys-Gly) following derivatization with ammonium 7-fluoro 2,1,3-benzoxadiazole-4-sulphonate (SBD-F) is described. Quantitation utilizes an internal standard, 2-mercaptoethylamine. The derivatization procedure has been optimized for concentration of
J B Ubbink et al.
Clinical chemistry, 45(5), 670-675 (1999-05-01)
Various methods are available to measure plasma total homocyst(e)ine (tHcy) concentrations, but whether plasma tHcy assays may be used interchangeably is not known. Results from three different methods [HPLC with fluorescence detection, enzyme immunoassay (EIA), and fluorescence polarization immunoassay (FPIA)]
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