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4-Amino-3-methylbenzenesulfonic acid structure
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4-Amino-3-methylbenzenesulfonic acid

TL;DR: 4-Amino-3-methylbenzenesulfonic acid (CAS 98-33-9) is a chemical compound with molecular formula C7H9NO3S and molecular weight 187.03032 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.

4-amino-3-methylbenzenesulfonic acid

Also Known As: 4-Amino-3-methylbenzenesulfonic acid, 2-Aminotoluene-5-sulfonic acid, Benzenesulfonic acid, 4-amino-3-methyl-, 4-Amino-m-toluenesulfonic acid, o-Toluidine-m-sulfonic acid

CAS Number
98-33-9
Molecular Formula
C7H9NO3S
Molecular Weight
187.03032 g/mol
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Application Areas

Top 5 of 18 IPC patent classification(s) from the SureChEMBL global patent database.

Agrochemicals (1 patents) Biotechnology (5 patents) Catalysts (4 patents) Coatings & Adhesives (40 patents) Construction Chemicals (2 patents)

Technical Specifications

Molecular FormulaC7H9NO3S
Molecular Weight187.03032 g/mol
XLogP0.0
Topological Polar Surface Area (TPSA)88.8 Ų
Hydrogen Bond Donors2
Hydrogen Bond Acceptors4
Rotatable Bonds1
Exact Mass187.03032 Da
Heavy Atoms12
Complexity244.0
SMILESCC1=C(C=CC(=C1)S(=O)(=O)O)N
InChIKeyWQTCZINVPXJNEL-UHFFFAOYSA-N

Product Description

Applications: 4-Amino-3-methylbenzenesulfonic acid is used in dye and pigment synthesis and coloration chemistry, as well as textile processing, dyeing, and finishing operations. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton scale), with full analytical documentation (COA, MSDS, HPLC, NMR, MS).

4-Amino-3-methylbenzenesulfonic acid is a dye and pigment intermediate identified by CAS number 98-33-9 and the molecular formula C7H9NO3S and a molecular weight of 187.03 g/mol. Synonyms include 4-Amino-3-methylbenzenesulfonic acid and 2-Aminotoluene-5-sulfonic acid.

Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.

Chemical Property Profile of 4-Amino-3-methylbenzenesulfonic acid

XLogP
0.0
TPSA (Topological Polar Surface Area)
88.8
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
4
Rotatable Bonds
1
Heavy Atoms
12
Complexity
244.0
Exact Mass
187.03032
Monoisotopic Mass
187.03032
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of 4-Amino-3-methylbenzenesulfonic acid

The XLogP value of 0.0 suggests moderate lipophilicity, balancing water solubility and membrane permeability for 4-Amino-3-methylbenzenesulfonic acid. The TPSA of 88.8 Ų falls within the moderate polarity range, balancing permeability and solubility for 4-Amino-3-methylbenzenesulfonic acid. Following Lipinski's Rule of Five, 4-Amino-3-methylbenzenesulfonic acid has 2 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the CAS number of 4-Amino-3-methylbenzenesulfonic acid?

The CAS number of 4-Amino-3-methylbenzenesulfonic acid is 98-33-9.

What is the molecular formula of 4-Amino-3-methylbenzenesulfonic acid?

The molecular formula of 4-Amino-3-methylbenzenesulfonic acid is C7H9NO3S.

What is the molecular weight of 4-Amino-3-methylbenzenesulfonic acid?

The molecular weight of 4-Amino-3-methylbenzenesulfonic acid is 187.03032 g/mol.

What are the applications of 4-Amino-3-methylbenzenesulfonic acid?

4-Amino-3-methylbenzenesulfonic acid is used in dye and pigment synthesis and coloration chemistry, as well as textile processing, dyeing, and finishing operations. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and...

Where can I buy 4-Amino-3-methylbenzenesulfonic acid?

You can request a quote for 4-Amino-3-methylbenzenesulfonic acid directly from CoreyChem. Contact us or email [email protected] for pricing and availability.

Does CoreyChem offer custom synthesis for 4-Amino-3-methylbenzenesulfonic acid?

Yes, CoreyChem provides custom synthesis services for 4-Amino-3-methylbenzenesulfonic acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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