CAS NO:135-76-2;15883-56-4

EC NO:205-218-1;240-019-3

Molecular Formula:C₁₀H₇NaO₄S

Molecular Weight:246.2149

Synonyms:;2-Naphthol-6-sulfonic acid, sodium salt;2-Naphthalenesulfonic acid, 6-hydroxy-, sodium salt (1:?);2-Naphthalenesulfonic acid, 6-hydroxy-, sodium salt;Sodium 6-hydroxynaphthalene-2-sulphonate;6-hydroxy-2-naphthalenesulfonic acid,sodium salt;

Molecular Structure:

CAS NO:833-66-9

EC NO:212-631-0

Molecular Formula:C₁₀H₇KO₄S

Molecular Weight:262.3235

Synonyms:2-Naphthalenesulfonic acid, 6-hydroxy-, potassium salt (1:1);2-Naphthalenesulfonic acid, 6-hydroxy-, monopotassium salt;Schaeffer's acid, monopotassium salt;Potassium 6-hydroxynaphthalene-2-sulphonate;Schaeffer's Acid Potassium Salt;potassium 6-hydroxynaphthalene-2-sulfonate;2-Naphthol-6-Sulfonic Acid, Potassium Salt;2-Naphthol-6-Sulfonic Acid Potassium Salt;o-Cresotinic Acid;

Molecular Structure:

CAS NO:86-48-6

EC NO:201-674-0

Molecular Formula:C₁₁H₇O₃

Molecular Weight:187.172

Synonyms:;1-Naphthol-2-carboxylic acid;2-Naphthalenecarboxylic acid, 1-hydroxy-;1-hydroxynaphthalene-2-carboxylic acid;N-{[5-(dimethylamino)naphthalen-1-yl]sulfonyl}-L-alpha-glutamyl-N-{(3S)-1-chloro-6-[(diaminomethylidene)amino]-2-oxohexan-3-yl}glycinamide;1-hydroxynaphthalene-2-carboxylate;1,2 Acid;1-Hydroxy-2-Nahthoic Acid;1-Naphthol-2-Carboxylic Acid;

Molecular Structure:

CAS NO:2421-28-5

EC NO:219-348-1

Molecular Formula:C₁₇H₆O₇

Molecular Weight:322.2253

Synonyms:;BTDA;4,4-Carbonyldiphthalic anhydride;benzophenone-3,3:4,4-tetracarboxylic dianhydride;BTDA;3,3,4,4-Benzophenontetracarbonsaeuredianhydride;1,3-Isobenzofurandione, 5,5'-carbonylbis-;3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-Tetracarboxybenzophenone dianhydride;3,3',4,4'-benzophenonetetracarboxylicaciddianhydride;3-Isobenzofurandione,5,5'-carbonylbis-1;4,4'-Carbonylbis[phthalic anhydride];4,4'-Diphthalic anhydride ketone;5,5'-carbonylbis-3-isobenzofurandione;5,5'-carbonylbis(2-benzofuran-1,3-dione);3,3',4,4'-Benzophenone tetracarboxylic dianhydride;Benzophenone-3,3',4,4'-tetracarboxylic dianhydride;3,3,4,4-Benzophenonetetracarboxylic dianhydride;

Molecular Structure: