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CAS 70-55-3

CAS 70-55-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 70-55-3
CAS 70-55-3PubChem CID 6269

P-Toluenesulfonamide

IUPAC name
4-methylbenzenesulfonamide
Molecular formula
C7H9NO2S
Molecular weight
171.22 g/mol
Exact mass
171.03539970 Da
XLogP3
0.8
Topological polar surface area
68.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

4-ToluenesulfonamideTosylamidep-TosylamideToluene-4-sulfonamideBenzenesulfonamide, 4-methyl-para-Toluenesulfonamidep-Toluenesulfonylamidep-Tolylsulfonamide
16 more reported names
p-MethylbenzenesulfonamideTolylsulfonamideToluene-4-sulphonamideToluene-p-sulphonamide4-ToluenesulfanamideTOLUENESULFONAMIDE, P-4-Toluenesulfonic acid, amideNSC-9908I8266RI90MCHEBI:344354-toluenesulfonylamidepara-toluenesulphonamideRefChem:858209PTS100PTS 100200-741-1
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 70-55-3

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How CAS 70-55-3 is used on this site

CAS 70-55-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 70-55-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.