2,3,3-Trimethylindolenine-5-sulfonic Acid, Potassium Salt

• CAT Number: R003426
• CAS Number: 184351-56-2
• Molecular Formula: C11H12KNO3S
• Molecular Weight: 277.379
• Purity: ≥95%
• Synonyms: Potassium 2,3,3-Trimethyl-3H-indole-5-sulfonate; 5-Sulfo-2,3,3-trimethyl-3H-indole Potassium Salt
• Storage: -20°C
• IUPAC Name: potassium;2,3,3-trimethylindole-5-sulfonate
• InChI: InChI=1S/C11H13NO3S.K/c1-7-11(2,3)9-6-8(16(13,14)15)4-5-10(9)12-7;/h4-6H,1-3H3,(H,13,14,15);/q;+1/p-1
• InChIKey: ZWIOSPCYIJAHKM-UHFFFAOYSA-M
• SMILES: CC1=NC2=C(C1(C)C)C=C(C=C2)S(=O)(=O)[O-].[K+]

2,3,3-Trimethylindolenine-5-sulfonic Acid is a water soluble, fluorescent near-infrared dye that can be conjugated to peptides, proteins, nucleic acids, RNA, DNA, carbohydrates, polymers, and small molecules via a sulfonyl substituent.