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5(6)-Carboxy-2′,7′-dichlorofluorescein

SIGMA/21882 - BioReagent, suitable for fluorescence, ≥95% (TLC)

CAS Number: 111843-78-8
Empirical Formula (Hill Notation): C21H10Cl2O7
Molecular Weight: 445.21
MDL Number: MFCD00037452
Linear Formula: C21H10Cl2O7
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-21882-100MG-F 100 mg
 $198.00
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assay ≥95% (TLC)
fluorescence λex 504 nm; λem 529 nm in 0.1 M Tris pH 8.0
form solid
InChI 1S/2C21H10Cl2O7/c22-13-4-11-17(6-15(13)24)30-18-7-16(25)14(23)5-12(18)19(11)10-3-8(20(26)27)1-2-9(10)21(28)29;22-13-4-11-17(6-15(13)24)30-18-7-16(25)14(23)5-12(18)19(11)9-2-1-8(20(26)27)3-10(9)21(28)29/h2*1-7,24H,(H,26,27)(H,28,29)
InChI key WHFHRELKGQJJBQ-UHFFFAOYSA-N
mp ≥250 °C (lit.)
pKa  5.1
product line BioReagent
Quality Level 100 
SMILES string OC(=O)c1ccc(c(c1)C(O)=O)C2=C3C=C(Cl)C(=O)C=C3Oc4cc(O)c(Cl)cc24.OC(=O)c5ccc(C(O)=O)c(c5)C6=C7C=C(Cl)C(=O)C=C7Oc8cc(O)c(Cl)cc68
solubility DMF: soluble
  DMSO: soluble
  H2O: soluble (pH ≥ 5)
suitability suitable for fluorescence
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