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Antibiotics and anti-infectives

Sulfabenzamide

Also known as N-Sulfanilylbenzamide, Sulfabenzide, Sulfabenzoylamide

CAS 127-71-9Formula C13H12N2O3SMolar mass 276.32 g/molEC 204-859-4
GHS signal word: Warning. Pictograms: Harmful or irritant 7 suppliers listed
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Sulfabenzamide chemical structure, C13H12N2O3S, CAS 127-71-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
127-71-9
Formula
C13H12N2O3S
Molar mass
276.32 g/mol
EC number
204-859-4
HS code
293590
Category
Antibiotics and anti-infectives

What is Sulfabenzamide?

Plain description, key identifiers and synonyms

Sulfabenzamide is a sulfonamide containing a benzamido substituent on nitrogen. An antibacterial/antimicrobial, it is often used in conjunction with sulfathiazole and sulfacetamide as a topical, intravaginal antibacterial preparation. It has a role as an antimicrobial drug and an antibacterial drug. It is a member of benzenes, a sulfonamide and a sulfonamide antibiotic.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-(4-aminophenyl)sulfonylbenzamide
CAS number
127-71-9 CAS number cross-checked
EC number
204-859-4
Molecular formula
C13H12N2O3S
UNII
G58F8OPL4I
MDL number
MFCD00044890
InChIKey
PBCZLFBEBARBBI-UHFFFAOYSA-N
InChI
InChI=1S/C13H12N2O3S/c14-11-6-8-12(9-7-11)19(17,18)15-13(16)10-4-2-1-3-5-10/h1-9H,14H2,(H,15,16)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C(=O)NS(=O)(=O)C2=CC=C(C=C2)N

Synonyms

  • N-Sulfanilylbenzamide
  • Sulfabenzide
  • Sulfabenzoylamide
  • Sulfabenzid
  • N-(4-aminophenyl)sulfonylbenzamide
  • N-Benzoylsulfanilamide
  • Sulfabenzamida
  • Sulfamylbenzamide
  • Benzamide, N-[(4-aminophenyl)sulfonyl]-
  • Sulfabenzamidum
  • N-(4-Aminobenzenesulfonyl)benzamide
  • Benzamide, N-((4-aminophenyl)sulfonyl)-
  • Triple sulfa (sulfabenzamide)
  • N-Sulfamylbenzamide
  • Sulfabenzamid
  • N-[(4-Aminophenyl)sulfonyl]benzamide
  • N-((4-Aminophenyl)sulfonyl)benzamide
  • N-(p-Aminobenzenesulfonyl)benzamide
  • Benzamide, N-sulfanilyl-
  • N(sup1)-Benzoylsulfanilamide
  • N1-Benzoylsulfanilamide
  • Sulfanilamide, N(sup1)-benzoyl-
  • N-[p-Aminobenzene-sulfonyl]benzamide
  • N-[(4-aminophenyl)sulfonyl]-benzamide
  • N-(4-aminobenzene-1-sulfonyl)benzamide
Show all 33 synonyms
  • N(sup 1)-Benzoylsulfanilamide
  • Sulfanilamide, N(sup 1)-benzoyl-
  • N-benzoyl-4-aminobenzenesulfonamide
  • Sulfabenzamide (Standard)
  • N(1)-benzoylsulfanilamide
  • Sulfabenzamide (USP/INN)
  • Benzoyl sulfanilamide
  • Sulfanilamide, N1-benzoyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
276.32 g/molcalc.
Exact mass
276.0569 Dacalc.
LogP (octanol/water)
1.39calc.
Topological polar surface area
89.26 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
3calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(NS(=O)(=O)c1ccccc1)c1ccccc1

O=C(NS(=O)(=O)c1ccccc1)c1ccccc1

2 rings, 18 atoms, the N-(Phenylsulfonyl)benzamide ring system.

115 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (11)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P337 + P317If eye irritation persists: Get medical help.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Sulfabenzamide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 7 suppliers
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Where suppliers are based

7 suppliers in 3 countries

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Sulfabenzamide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pharmaceuticals.

Roles

  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • pharmaceutical

Pharmacology

Sulfabenzamide is a sulfonamide antibacterial agent used alone or with sulfathiazole and sulfacetamide as a topical, intravaginal antibacterial preparation.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Sulfabenzamide is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Sulfabenzamide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Sulfabenzamide, based on the data on this page

What is Sulfabenzamide?

Sulfabenzamide is a sulfonamide containing a benzamido substituent on nitrogen. An antibacterial/antimicrobial, it is often used in conjunction with sulfathiazole and sulfacetamide as a topical, intravaginal antibacterial preparation. It has a role as an antimicrobial drug and an antibacterial drug.

What is the CAS number of Sulfabenzamide?

The CAS registry number of Sulfabenzamide is 127-71-9.

What is the molecular formula and weight of Sulfabenzamide?

The molecular formula of Sulfabenzamide is C13H12N2O3S and its molar mass is 276.32 g/mol.

What is Sulfabenzamide used for?

Use classes: Pharmaceuticals.

Is Sulfabenzamide hazardous?

Sulfabenzamide carries the GHS signal word "Warning". Main hazards: causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Sulfabenzamide?

Sulfabenzamide is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Sulfabenzamide?

CompoundList lists 7 suppliers of Sulfabenzamide in China, United States and Hong Kong. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Sulfabenzamide?

Suppliers quote Sulfabenzamide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Sulfabenzamide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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