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Merck
CN

21877

5(6)-羧基荧光素

BioReagent, suitable for fluorescence, ≥95% (HPLC)

别名:

5(6)-FAM, 5,6-CF

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关于此项目

经验公式（希尔记法）:
C21H12O7
化学文摘社编号:
72088-94-9
分子量:
376.32
NACRES:
NA.32
PubChem Substance ID:
329752213
UNSPSC Code:
12171500
EC Number:
276-331-1
MDL number:
MFCD00151081

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产品名称

5(6)-羧基荧光素, BioReagent, suitable for fluorescence, ≥95% (HPLC)

InChI key

BPVHBBXCESDRKW-UHFFFAOYSA-N

InChI

1S/2C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21;22-11-2-5-14-17(8-11)27-18-9-12(23)3-6-15(18)21(14)16-7-10(19(24)25)1-4-13(16)20(26)28-21/h2*1-9,22-23H,(H,24,25)

SMILES string

OC(=O)c1ccc2c(c1)C(=O)OC23c4ccc(O)cc4Oc5cc(O)ccc35.OC(=O)c6ccc7C(=O)OC8(c9ccc(O)cc9Oc%10cc(O)ccc8%10)c7c6

product line

BioReagent

assay

≥95% (HPLC)

form

powder

mp

275 °C (dec.) (lit.)

fluorescence

λex 492 nm; λem 517 nm in 0.1 M Tris pH 8.0

suitability

suitable for fluorescence

Quality Level

200

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相关类别

Application

5(6)-羧基荧光素在体内用于肿瘤细胞和正常细胞的表征。它标记通过n -羟基琥珀酰亚胺（NHS）酯介导衍生化衍生的蛋白质。 5(6)-羧基荧光素适用于检测细胞活力，同时开发体外驱虫药试验。

General description

5(6)-羧基荧光素，也称为5(6)-FAM，是一种荧光示踪剂，可作为5-羧基荧光素和6-羧基荧光素异构体的混合物。5(6)-羧基荧光素的荧光是由它的杂蒽部分决定的。 5(6)-羧基荧光素有两个特性:
  • 它有两个波长的最大吸光度（465 和 490nm）。
  • 它的荧光发射在 515nm处（最大）随 pH 值的变化而增大，生理范围为 6-7.4。

Other Notes

细胞内pH探针

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN3136
BCCL9885
BCCL1131
BCCJ6813
BCCJ2293

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Jagpreet S Nanda et al.
Methods in enzymology, 536, 87-94 (2014-01-16)
N-hydroxysuccinimde (NHS) ester-mediated derivitization involves the reaction of this amine-reactive group with the primary amines of a protein or a biomolecule. Using NHS chemistry allows one to conjugate various fluorescent probes, biotin, and cross-linkers to primary amines. For example, we
M L Graber et al.
Analytical biochemistry, 156(1), 202-212 (1986-07-01)
We evaluated four different fluoroprobes to determine their capabilities and limitations in measuring intracellular pH by the fluorescent indicator technique. In vitro, carboxyfluorescein, dimethylcarboxyfluorescein, biscarboxyethyl carboxyfluorescein, and 4-methylumbelliferone (4MU) all showed comparably intense fluorescence and excellent pH sensitivity near their
S Mordon et al.
Journal of photochemistry and photobiology. B, Biology, 13(3-4), 307-314 (1992-05-15)
The pH of the interstitial fluid of malignant tumours tends to be lower than that of normal tissue and is depressed by glucose administration. This study aimed to evaluate the effectiveness of dual-wavelength fluorometry using a pH-dependent indicator (5,6-carboxyfluorescein: 5,6-CF)
Charlemagne Gnoula et al.
Talanta, 71(5), 1886-1892 (2007-03-30)
A new in vitro assay for anthelmintic activity using Caenorhabditis elegans is based on the ability of 5(6)-carboxyfluorescein diacetate (CFDA) to indicate the worm's viability. It is shown for the first time that the treatment of a suspension of worms
Jorien Claes et al.
Blood, 124(10), 1669-1676 (2014-06-22)
Adhesion of Staphylococcus aureus to blood vessels under shear stress requires von Willebrand factor (VWF). Several bacterial factors have been proposed to interact with VWF, including VWF-binding protein (vWbp), a secreted coagulase that activates the host's prothrombin to generate fibrin.
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