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CAS 132557-72-3

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2,3,3-Trimethyl-3H-indole-5-sulfonic acid

Description:
2,3,3-Trimethyl-3H-indole-5-sulfonic acid is an organic compound characterized by its indole structure, which is a bicyclic compound consisting of a benzene ring fused to a pyrrole ring. This particular compound features three methyl groups at the 2 and 3 positions of the indole ring, contributing to its unique properties. The presence of a sulfonic acid group at the 5 position enhances its solubility in water and makes it a strong acid, which can participate in various chemical reactions, including sulfonation and electrophilic substitutions. It is often used in biochemical applications, particularly in the synthesis of dyes and as a pH indicator due to its ability to change color in response to pH variations. Additionally, its structural features may impart specific biological activities, making it of interest in pharmaceutical research. Overall, 2,3,3-Trimethyl-3H-indole-5-sulfonic acid is a versatile compound with applications in both chemical synthesis and biological studies.
Formula:C11H13NO3S
InChI:InChI=1S/C11H13NO3S/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)
SMILES:CC1=Nc2ccc(cc2C1(C)C)S(=O)(=O)O
Synonyms:
  • 3H-Indole-5-sulfonic acid, 2,3,3-trimethyl-
  • 5-Sulfo-2,3,3-trimethyl indolenine
  • 5-Sulfo-2,3,3-Trimethylindolenine
  • 2,3,3-Trimethyl-3H-indole-5-sulfonic acid
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