Pigment Red 5

CAS Registry Number®

6410-41-9
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CAS Name

Pigment Red 5

Molecular Formula

C30H31ClN4O7S

Molecular Mass

627.11

Cite this Page

Pigment Red 5.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=6410-41-9 (retrieved 2024-05-04) (CAS RN: 6410-41-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C30H31ClN4O7S/c1-6-35(7-2)43(38,39)19-12-13-25(40-3)24(15-19)33-34-28-20-11-9-8-10-18(20)14-21(29(28)36)30(37)32-23-16-22(31)26(41-4)17-27(23)42-5/h8-17,36H,6-7H2,1-5H3,(H,32,37)

InChIKey

InChIKey=LMULDSDQRQVZMW-UHFFFAOYSA-N

SMILES

N(=NC1=C(OC)C=CC(S(N(CC)CC)(=O)=O)=C1)C=2C3=C(C=C(C(NC4=C(OC)C=C(OC)C(Cl)=C4)=O)C2O)C=CC=C3

Canonical SMILES

O=C(NC1=CC(Cl)=C(OC)C=C1OC)C2=CC=3C=CC=CC3C(N=NC4=CC(=CC=C4OC)S(=O)(=O)N(CC)CC)=C2O

Other Names for this Substance

  • 2-Naphthalenecarboxamide, N-(5-chloro-2,4-dimethoxyphenyl)-4-[2-[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]diazenyl]-3-hydroxy-
  • C.I. Pigment Red 5
  • Permanent Carmine FB
  • 2-Naphthalenecarboxamide, N-(5-chloro-2,4-dimethoxyphenyl)-4-[[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]azo]-3-hydroxy-
  • N-(5-Chloro-2,4-dimethoxyphenyl)-4-[2-[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]diazenyl]-3-hydroxy-2-naphthalenecarboxamide

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Deleted or Replaced CAS Registry Numbers

59890-37-8, 61673-79-8, 62886-92-4, 478183-48-1

CAS INSIGHTSTM
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