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C11804

Sigma-Aldrich

4-Sulfamoylbenzoic acid

97%

Synonym(s):

4-Carboxybenzenesulfonamide, Benzoic acid 4-sulfamide

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About This Item

Linear Formula:
HO2CC6H4SO2NH2
CAS Number:
138-41-0
Molecular Weight:
201.20
Beilstein:
1875393
EC Number:
205-327-4
MDL number:
MFCD00007938
UNSPSC Code:
12352108
PubChem Substance ID:
24892374
NACRES:
NA.22

Quality Level

200

Assay

97%

form

powder

reaction suitability

reagent type: cross-linking reagent

mp

285-295 °C (lit.)

functional group

carboxylic acid
sulfonamide

SMILES string

O=S(C(C=C1)=CC=C1C(O)=O)(N)=O

InChI

1S/C7H7NO4S/c8-13(11,12)6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)(H2,8,11,12)

InChI key

UCAGLBKTLXCODC-UHFFFAOYSA-N

Gene Information

human ... CA1(759) , CA2(760) , CA5A(763) , CA5B(11238) , CA9(768)

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General description

4-Sulfamoylbenzoic acid also known as 4-carboxybenzenesulfonamide, is a sulfonamide derivative of benzoic acid. It is a crosslinking reagent used widely in organic synthesis.

Application

4-Sulfamoylbenzoic acid is used to synthesize 4-sulfamoylbenzoyl chloride and isocyanate derivatives. Additionally, it can be used in the esterification of alcohols.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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