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Substance Name: Antipyrylazo III
RN: 14918-39-9
UNII: H378L7UI14
InChIKey: SZVOKPKIXYMQHL-LBYUQGKWSA-N

Note

  • A metallochromic indicator.

Classification Codes

  • Coloring Agents
  • Indicators and Reagents

Molecular Formula

  • C32-H28-N8-O10-S2

Molecular Weight

  • 748.751
 
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Names and Synonyms

Name of Substance

  • Antipyrylazo III

Synonyms

  • EINECS 238-988-2
  • UNII-H378L7UI14

Systematic Names

  • 3,6-Bis((2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)azo)-4,5-dihydroxynaphthalene-2,7-disulphonic acid
  • Bis(4-antipyrylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid

Registry Numbers

CAS Registry Number

  • 14918-39-9

FDA UNII

  • H378L7UI14

System Generated Number

  • 0014918399

Structure Descriptors

InChI

InChI=1S/C32H28N8O10S2/c1-17-25(31(43)39(37(17)3)20-11-7-5-8-12-20)33-35-27-22(51(45,46)47)15-19-16-23(52(48,49)50)28(30(42)24(19)29(27)41)36-34-26-18(2)38(4)40(32(26)44)21-13-9-6-10-14-21/h5-16,41-42H,1-4H3,(H,45,46,47)(H,48,49,50)/b35-33+,36-34+

InChIKey

SZVOKPKIXYMQHL-LBYUQGKWSA-N

Smiles

CN1N(C(=O)C(=C1C)\N=N\c2c(O)c3c(O)c(\N=N\C4=C(C)N(C)N(C4=O)c5ccccc5)c(cc3cc2S(=O)(=O)O)S(=O)(=O)O)c6ccccc6