Pigment Yellow 191
CAS Registry Number®
129423-54-7
CAS Name
Pigment Yellow 191Molecular Formula
C17H15ClN4O7S2.CaCite this Page
Pigment Yellow 191. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=129423-54-7 (retrieved ) (CAS RN: 129423-54-7). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Other Names and Identifiers
InChI
InChI=1S/C17H15ClN4O7S2.Ca/c1-9-6-15(31(27,28)29)14(8-13(9)18)19-20-16-10(2)21-22(17(16)23)11-4-3-5-12(7-11)30(24,25)26;/h3-8,16H,1-2H3,(H,24,25,26)(H,27,28,29);
InChIKey
InChIKey=RYPCWUSNYYUKLG-UHFFFAOYSA-N
SMILES
O=C1N(N=C(C)C1N=NC2=C(S(=O)(=O)O)C=C(C)C(Cl)=C2)C3=CC(S(=O)(=O)O)=CC=C3.[Ca]
Canonical SMILES
[Ca].O=C1N(N=C(C)C1N=NC2=CC(Cl)=C(C=C2S(=O)(=O)O)C)C3=CC=CC(=C3)S(=O)(=O)O
Other Names for this Substance
- Benzenesulfonic acid, 4-chloro-2-[2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-5-methyl-, calcium salt (1:1)
- Benzenesulfonic acid, 4-chloro-2-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methyl-, calcium salt (1:1)
- C.I. 18795
- C.I. Pigment Yellow 191
- Pigment Yellow 191
Deleted or Replaced CAS Registry Numbers
193226-83-4