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Substance Name: Direct Red 20 free acid
RN: 25188-33-4
UNII: A49650GKEC
InChIKey: PPLAVEDSTMYVTD-BYYHNAKLSA-N

Molecular Formula

  • C24-H16-Cl-N3-O7-S3

Molecular Weight

  • 590.0554
 
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Names and Synonyms

Name of Substance

  • Direct Red 20 free acid

Synonyms

  • 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-((4-(6-methyl-2-benzothiazolyl)phenyl)azo)-
  • 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-(2-(4-(6-methyl-2-benzothiazolyl)phenyl)diazenyl)-
  • C.i. direct Red 20 free acid
  • Direct Red 20 free acid
  • UNII-A49650GKEC

Registry Numbers

CAS Registry Number

  • 25188-33-4

FDA UNII

  • A49650GKEC

System Generated Number

  • 0025188334

Structure Descriptors

InChI

1S/C24H16ClN3O7S3/c1-12-2-7-18-19(8-12)36-24(26-18)13-3-5-15(6-4-13)27-28-22-20(38(33,34)35)10-14-9-16(37(30,31)32)11-17(25)21(14)23(22)29/h2-11,29H,1H3,(H,30,31,32)(H,33,34,35)/b28-27+

InChIKey

PPLAVEDSTMYVTD-BYYHNAKLSA-N

Smiles

Cc1ccc2nc(sc2c1)c3ccc(cc3)N=Nc4c(O)c5c(Cl)cc(cc5cc4S(=O)(=O)O)S(=O)(=O)O