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Screening compounds

Sulfazamet

Also known as Sulfapyrazole, Sulfapirazol, Sulfapyrazol

CAS 852-19-7Formula C16H16N4O2SMolar mass 328.40 g/molEC 212-707-3
GHS signal word: Warning. Pictograms: Harmful or irritant
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Sulfazamet chemical structure, C16H16N4O2S, CAS 852-19-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
852-19-7
Formula
C16H16N4O2S
Molar mass
328.40 g/mol
EC number
212-707-3
HS code
293590
Category
Screening compounds

What is Sulfazamet?

Plain description, key identifiers and synonyms

Sulfazamet is a chemical substance with the molecular formula C16H16N4O2S and a molar mass of 328.40 g/mol. Its CAS registry number is 852-19-7. The IUPAC name is 4-amino-N-(5-methyl-2-phenylpyrazol-3-yl)benzenesulfonamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-amino-N-(5-methyl-2-phenylpyrazol-3-yl)benzenesulfonamide
CAS number
852-19-7 CAS number cross-checkedOther or deprecated CAS: 1420043-51-1
EC number
212-707-3
Molecular formula
C16H16N4O2S
UNII
K980HZ9QO4
InChIKey
MTERSQYMYBGZTP-UHFFFAOYSA-N
InChI
InChI=1S/C16H16N4O2S/c1-12-11-16(20(18-12)14-5-3-2-4-6-14)19-23(21,22)15-9-7-13(17)8-10-15/h2-11,19H,17H2,1H3
SMILES (canonical and isomeric)
CC1=NN(C(=C1)NS(=O)(=O)C2=CC=C(C=C2)N)C3=CC=CC=C3

Synonyms

  • Sulfapyrazole
  • Sulfapirazol
  • Sulfapyrazol
  • Solfapirazolo
  • Sulfapyrazolum
  • Sulphapyrazole
  • Vesulong vet.
  • Ba 18605
  • Benzenesulfonamide, 4-amino-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-
  • Sulfapirazol (INN-Spanish)
  • Sulfapyrazolum (INN-Latin)
  • sulfamethylphenazole
  • 4-amino-N-(5-methyl-2-phenylpyrazol-3-yl)benzenesulfonamide
  • 4-Amino-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)benzene-1-sulfonamide
  • Sulfamethylphenazole, Sulfapyrazole, Vesulong
  • 4-Amino-N-(5-methyl-2-phenyl-2H-pyrazol-3-yl)-benzene-13C6-sulfon-amide
  • Sulfazamet (USAN/INN)
  • 1-Phenyl-3-methyl-5-sulfanilamidopyrazole
  • Sulfapyrazole Solution in Methanol, 100ug/mL
  • Sulfapyrazole Solution in Methanol, 1000ug/mL
  • Sulfamethylphenazole 100 microg/mL in Acetonitrile
  • Sulfapyrazole-13C6 Solution in Methanol, 100ug/mL

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
328.40 g/molcalc.
Exact mass
328.0994 Dacalc.
LogP (octanol/water)
2.56calc.
Topological polar surface area
90.01 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
23calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.06calc.
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)(Nc1ccnn1-c1ccccc1)c1ccccc1

O=S(=O)(Nc1ccnn1-c1ccccc1)c1ccccc1

3 rings, 21 atoms.

15 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

Sulfazamet suppliers

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Sulfazamet 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

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Sulfazamet 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 Sulfazamet is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Sulfazamet?

Sulfazamet is a chemical substance with the molecular formula C16H16N4O2S and a molar mass of 328.40 g/mol. Its CAS registry number is 852-19-7. The IUPAC name is 4-amino-N-(5-methyl-2-phenylpyrazol-3-yl)benzenesulfonamide.

What is the CAS number of Sulfazamet?

The CAS registry number of Sulfazamet is 852-19-7. Other or deprecated CAS numbers: 1420043-51-1.

What is the molecular formula and weight of Sulfazamet?

The molecular formula of Sulfazamet is C16H16N4O2S and its molar mass is 328.40 g/mol.

What is Sulfazamet used for?

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

Is Sulfazamet hazardous?

Sulfazamet 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 Sulfazamet?

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

Where can I buy Sulfazamet?

Post a free request on CompoundList and suppliers of Sulfazamet will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Sulfazamet?

Suppliers quote Sulfazamet 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 Sulfazamet

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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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