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Benzenesulfonic acids and derivatives

Organosulfur compounds that consist of sulfonic acid bonded to a benzene ring. Includes compounds derived from benzenesulfonic acid.
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1

Choline p-Toluenesulfonate Salt, TRC

CAS: 55357-38-5 Molecular Formula: C7 H7 O3 S . C5 H14 N O Molecular Weight (g/mol): 275.36 Synonym: 4-Methylbenzenesulfonate 2-Hydroxy-N,N,N-trimethylethanaminium,Choline Toluenesulfonate,Choline Tosylat IUPAC Name: 2-hydroxyethyl(trimethyl)ammonium;4-methylbenzenesulfonate SMILES: Cc1ccc(cc1)S(=O)(=O)[O-].C[N+](C)(C)CCO

CAS 55357-38-5
Molecular Weight (g/mol) 275.36
SMILES Cc1ccc(cc1)S(=O)(=O)[O-].C[N+](C)(C)CCO
Synonym 4-Methylbenzenesulfonate 2-Hydroxy-N,N,N-trimethylethanaminium,Choline Toluenesulfonate,Choline Tosylat
IUPAC Name 2-hydroxyethyl(trimethyl)ammonium;4-methylbenzenesulfonate
Molecular Formula C7 H7 O3 S . C5 H14 N O
2

p-Toluenesulfonic Acid Hydrate, TRC

High-purity organic molecules and analytical standards, strategically delivered worldwide to empower innovation and commercial success.

InChI Formula InChI=1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2
Chemical Name or Material p-Toluenesulfonic Acid Hydrate
SMILES O=S(C1=CC=C(C)C=C1)(O)=O.O
Synonym 4-Methylbenzenesulfonic Acid Hydrate,4-Toluenesulfonic Acid Hydrate,Tosic Acid Hydrate,PTSA Hydrate,p-Toluenesulfonic Acid Hydrate,TsOH,p-tsa,Lisinopril EP Impurity B,Anastrozole EP Impurity F
Recommended Storage +20°C
IUPAC Name 4-methylbenzenesulfonic acid hydrate
Molecular Formula C7H8O3S • x(H2O)
3

5-Hydroxytoluene-2,4-disulfonic Acid Hydrate, TRC

High-purity organic molecules and analytical standards, strategically delivered worldwide to empower innovation and commercial success.

Molecular Weight (g/mol) 268.261802
InChI Formula InChI=1S/C7H8O7S2/c1-4-2-5(8)7(16(12,13)14)3-6(4)15(9,10)11/h2-3,8H,1H3,(H,9,10,11)(H,12,13,14)
Chemical Name or Material 5-Hydroxytoluene-2,4-disulfonic Acid Hydrate
SMILES CC1=C(S(=O)(O)=O)C=C(S(=O)(O)=O)C(O)=C1
Synonym m-Cresol-3,6-disulfonate Hydrate
Recommended Storage -20°C
Molecular Formula C7H8O7S2•xH2O
4

2-Hydroxy-4-methylbenzenesulfonic Acid Ammonium Salt, TRC

CAS: 79093-71-3 Molecular Formula: C7 H8 O4 S . N H3 Molecular Weight (g/mol): 205.23 Synonym: 2-Hydroxy-4-methylbenzenesulfonic Acid Ammonium Salt (1:1),Benzenesulfonic acid, 2-hydroxy-4-methyl-, monoammonium salt (9CI) IUPAC Name: azane;2-hydroxy-4-methylbenzenesulfonic acid SMILES: N.Cc1ccc(c(O)c1)S(=O)(=O)O

CAS 79093-71-3
Molecular Weight (g/mol) 205.23
SMILES N.Cc1ccc(c(O)c1)S(=O)(=O)O
Synonym 2-Hydroxy-4-methylbenzenesulfonic Acid Ammonium Salt (1:1),Benzenesulfonic acid, 2-hydroxy-4-methyl-, monoammonium salt (9CI)
IUPAC Name azane;2-hydroxy-4-methylbenzenesulfonic acid
Molecular Formula C7 H8 O4 S . N H3