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Aromatic building blocks

Sulfabenz

Also known as 4-Amino-N-phenylbenzenesulfonamide, Benzenesulfonamide, 4-amino-N-phenyl-, Sulfanilanilide

CAS 127-77-5Formula C12H12N2O2SMolar mass 248.31 g/molEC 204-865-7
GHS signal word: Warning. Pictograms: Harmful or irritant 6 suppliers listed
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Sulfabenz chemical structure, C12H12N2O2S, CAS 127-77-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
127-77-5
Formula
C12H12N2O2S
Molar mass
248.31 g/mol
EC number
204-865-7
HS code
293590
Category
Aromatic building blocks

What is Sulfabenz?

Plain description, key identifiers and synonyms

Sulfabenz is a chemical substance with the molecular formula C12H12N2O2S and a molar mass of 248.31 g/mol. Its CAS registry number is 127-77-5. The IUPAC name is 4-amino-N-phenylbenzenesulfonamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-amino-N-phenylbenzenesulfonamide
CAS number
127-77-5 CAS number cross-checked
EC number
204-865-7
Molecular formula
C12H12N2O2S
UNII
2Y70F6K03F
MDL number
MFCD00233654
InChIKey
YBUXKQSCKVQATK-UHFFFAOYSA-N
InChI
InChI=1S/C12H12N2O2S/c13-10-6-8-12(9-7-10)17(15,16)14-11-4-2-1-3-5-11/h1-9,14H,13H2
SMILES (canonical and isomeric)
C1=CC=C(C=C1)NS(=O)(=O)C2=CC=C(C=C2)N

Synonyms

  • 4-Amino-N-phenylbenzenesulfonamide
  • Benzenesulfonamide, 4-amino-N-phenyl-
  • Sulfanilanilide
  • Sulfabenzo
  • Eastman-4770
  • Sulfa Vet
  • Sulfabenzum
  • Solfabenzo
  • p-Aminobenzenesulfonanilide
  • 4-Aminobenzenesulfonanilide
  • N(sup1)-Phenylsulfanilamide
  • p-Amino-N-phenylbenzenesulfonamide
  • Sulfabenzum (INN-Latin)
  • Sulfabenzo (INN-Spanish)
  • Sulfanilanilide (8CI)
  • 4-Amino-N-phenyl-benzenesulfonamide
  • 4-amino-N-phenylbenzene-1-sulfonamide
  • [(4-aminophenyl)sulfonyl]phenylamine
  • Sulfanilsaure-anilid
  • component of Sulfa Vet
  • Sulfabenz (USAN/INN)
  • 4-amino-N-phenylbenzenesulphonamide
  • 4-Amino-N-phenylbenzenesulfonamide, AldrichCPR
  • VVM

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
248.31 g/molcalc.
Exact mass
248.0619 Dacalc.
LogP (octanol/water)
2.07calc.
Topological polar surface area
72.19 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
17calc.
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=S(=O)(Nc1ccccc1)c1ccccc1

O=S(=O)(Nc1ccccc1)c1ccccc1

2 rings, 16 atoms, the Benzenesulfonanilide ring system.

5,797 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

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Sulfabenz suppliers

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

All 6 suppliers
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Where suppliers are based

6 suppliers in 4 countries

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Sulfabenz price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 Sulfabenz 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 Sulfabenz is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Sulfabenz?

Sulfabenz is a chemical substance with the molecular formula C12H12N2O2S and a molar mass of 248.31 g/mol. Its CAS registry number is 127-77-5. The IUPAC name is 4-amino-N-phenylbenzenesulfonamide.

What is the CAS number of Sulfabenz?

The CAS registry number of Sulfabenz is 127-77-5.

What is the molecular formula and weight of Sulfabenz?

The molecular formula of Sulfabenz is C12H12N2O2S and its molar mass is 248.31 g/mol.

What is Sulfabenz used for?

Known uses and roles of Sulfabenz include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Sulfabenz hazardous?

Sulfabenz carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Sulfabenz?

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

Where can I buy Sulfabenz?

CompoundList lists 6 suppliers of Sulfabenz in China, United States, Hong Kong and Singapore. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Sulfabenz?

Suppliers quote Sulfabenz 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

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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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