CHEBI:90287 - Milling yellow 3G

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ChEBI Name Milling yellow 3G
ChEBI ID CHEBI:90287
Definition An organic sodium salt that is the monosodium salt of 5-chloro-2-[5-hydroxy-3-methyl-4-({4-[(4-methylbenzene-1-sulfonyl)oxy]phenyl}diazenyl)-1H-pyrazol-1-yl]benzene-1-sulfonic acid.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C23H18ClN4NaO7S2
Net Charge 0
Average Mass 584.987
Monoisotopic Mass 584.02031
InChI InChI=1S/C23H19ClN4O7S2.Na/c1-14-3-10-19(11-4-14)37(33,34)35-18-8-6-17(7-9-18)25-26-22-15(2)27-28(23(22)29)20-12-5-16(24)13-21(20)36(30,31)32;/h3-13,29H,1-2H3,(H,30,31,32);/q;+1/p-1
InChIKey UMQAIKKJIZYHQC-UHFFFAOYSA-M
SMILES CC1=NN(C(O)=C1N=NC2=CC=C(OS(=O)(=O)C3=CC=C(C)C=C3)C=C2)C4=C(C=C(Cl)C=C4)S([O-])(=O)=O.[Na+]
Roles Classification
Application(s): histological dye
A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
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ChEBI Ontology
Outgoing Milling yellow 3G (CHEBI:90287) has part Milling yellow 3G(1−) (CHEBI:90289)
Milling yellow 3G (CHEBI:90287) has role histological dye (CHEBI:77178)
Milling yellow 3G (CHEBI:90287) is a organic sodium salt (CHEBI:38700)
IUPAC Name
sodium 5-chloro-2-[5-hydroxy-3-methyl-4-({4-[(4-methylbenzene-1-sulfonyl)oxy]phenyl}diazenyl)-1H-pyrazol-1-yl]benzene-1-sulfonate
Synonyms Sources
acid yellow 40 ChEBI
C.I. 18950 ChEBI
C.I. 642 ChemIDplus
C.I. Acid Yellow 40 ChemIDplus
C.I. Acid Yellow 40 monosodium salt ChemIDplus
C.I. Acid Yellow 40, sodium salt ChemIDplus
Polar Yellow ChemIDplus
Sodium 5-chloro-2-(5-hydroxy-3-methyl-4-(4-((4-methylphenyl)sulphonyloxy)phenylazo)pyrazol-1-yl)benzenesulphonate ChemIDplus
Registry Number Type Source
6372-96-9 CAS Registry Number ChemIDplus
Last Modified
10 November 2015