26375

4-Chloro-7-sulfobenzofurazan ammonium salt

for fluorescence, ≥99.0% (TLC)

• Synonym(s): 4-Chloro-7-sulfobenz-2-oxa-1,3-diazole ammonium salt, 7-Chloro-2,1,3-benzoxadiazole-4-sulfonic acid ammonium salt, 7-Chloro-4-benzofurazansulfonic acid ammonium salt, SBF-Chloride
• Linear Formula: C₆H₃ClN₂O₄S · NH₃
• CAS Number: 81377-14-2
• Molecular Weight: 251.65
• Beilstein: 5200152
• MDL number: MFCD00038995
• UNSPSC Code: 12171500
• PubChem Substance ID: 24855993

Properties

• grade: for fluorescence
• Assay: ≥99.0% (TLC)
• mp: >300 °C (lit.)
• fluorescence: λ_ex 383 nm; λ_em 525 nm in 0.1 M borate pH 9.0 (after derivatization with glutathione)
• SMILES string: N.OS(=O)(=O)c1ccc(Cl)c2nonc12
• InChI: 1S/C6H3ClN2O4S.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 key: QFHXPBLOMHGYOC-UHFFFAOYSA-N

Description

Other Notes

For the specific fluorescent determination of thiols