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Antibiotics and anti-infectives

Sulfameter

Also known as Sulfamethoxydiazine, Sulfametoxydiazine, 4-amino-N-(5-methoxypyrimidin-2-yl)benzenesulfonamide

CAS 651-06-9Formula C11H12N4O3SMolar mass 280.31 g/molEC 211-480-8
GHS signal word: Warning. Pictograms: Harmful or irritant 17 suppliers listed
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Sulfameter chemical structure, C11H12N4O3S, CAS 651-06-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
651-06-9
Formula
C11H12N4O3S
Molar mass
280.31 g/mol
EC number
211-480-8
HS code
293590
Category
Antibiotics and anti-infectives

What is Sulfameter?

Plain description, key identifiers and synonyms

Sulfamethoxydiazine is a sulfonamide consisting of pyrimidine having a methoxy substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 2-position. It has a role as an antiinfective agent, a leprostatic drug and a renal agent. It is a sulfonamide, a member of pyrimidines and a sulfonamide antibiotic. It is functionally related to a sulfanilamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-amino-N-(5-methoxypyrimidin-2-yl)benzenesulfonamide
CAS number
651-06-9 CAS number cross-checked
EC number
211-480-8
Molecular formula
C11H12N4O3S
UNII
3L179F09D6
MDL number
MFCD00006067
InChIKey
GPTONYMQFTZPKC-UHFFFAOYSA-N
InChI
InChI=1S/C11H12N4O3S/c1-18-9-6-13-11(14-7-9)15-19(16,17)10-4-2-8(12)3-5-10/h2-7H,12H2,1H3,(H,13,14,15)
SMILES (canonical and isomeric)
COC1=CN=C(N=C1)NS(=O)(=O)C2=CC=C(C=C2)N

Synonyms

  • Sulfamethoxydiazine
  • Sulfametoxydiazine
  • 4-amino-N-(5-methoxypyrimidin-2-yl)benzenesulfonamide
  • Sulfamethoxypyrimidine
  • Sulphamethoxydiazine
  • Sulla
  • Sulfamethoxine
  • Sulfametin
  • Ultrax
  • Sulphameter
  • Sulfa-5-methoxypyrimidine
  • Bayrena
  • Sulfametoxidiazina
  • Solfametossidiazina
  • 4-Amino-N-(5-methoxy-2-pyrimidinyl)benzenesulfonamide
  • Benzenesulfonamide, 4-amino-N-(5-methoxy-2-pyrimidinyl)-
  • Sulfametoxydiazinum
  • 2-Sulfanilamido-5-methoxypyrimidine
  • 5-Methoxy-2-sulfanilamidopyrimidine
  • Sulfamethoxydine
  • 2-(4-Aminobenzenesulfonamido)-5-methoxypyrimidine
  • 2-Sulfanilamido-5-methoxypyrimidin
  • N(sup 1)-(5-Methoxy-2-pyrimidinyl)sulfanilamide
  • Sulfametoxidine
  • Sulfametorinum
Show all 38 synonyms
  • sulfamethoxydiazinum
  • 5-Methoxysulfadiazine
  • Kiron
  • Methoxypyrimal
  • Sulfamethoxydin
  • Sulfametorine
  • Dairena
  • Durenat
  • Sulfamethorine
  • Berlicid
  • Longasulf
  • Supramid
  • Juvoxin

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
280.31 g/molcalc.
Exact mass
280.063 Dacalc.
LogP (octanol/water)
0.87calc.
Topological polar surface area
107.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.09calc.
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)(Nc1ncccn1)c1ccccc1

O=S(=O)(Nc1ncccn1)c1ccccc1

2 rings, 16 atoms, the 2-Benzenesulfonamidopyrimidine ring system.

250 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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • 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.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Sulfameter suppliers

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

All 17 suppliers
17 of 17 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

17 suppliers in 4 countries

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Sulfameter 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.

Pharmacological actions

  • Anti-Infective Agents
  • Anti-Infective Agents, Urinary
  • Leprostatic Agents

Roles

  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • antimycobacterial drug
  • leprostatic drug
  • pharmaceutical
  • renal agent

Pharmacology

Sulfameter is a long-acting sulfonamide antibacterial agent used to treat urinary tract infections and leprosy.

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

Frequently asked questions

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

What is Sulfameter?

Sulfamethoxydiazine is a sulfonamide consisting of pyrimidine having a methoxy substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 2-position. It has a role as an antiinfective agent, a leprostatic drug and a renal agent. It is a sulfonamide, a member of pyrimidines and a sulfonamide antibiotic.

What is the CAS number of Sulfameter?

The CAS registry number of Sulfameter is 651-06-9.

What is the molecular formula and weight of Sulfameter?

The molecular formula of Sulfameter is C11H12N4O3S and its molar mass is 280.31 g/mol.

What is Sulfameter used for?

Use classes: Pharmaceuticals.

Is Sulfameter hazardous?

Sulfameter carries the GHS signal word "Warning". Main hazards: causes skin irritation, 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 Sulfameter?

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

Where can I buy Sulfameter?

CompoundList lists 17 suppliers of Sulfameter in China, United States, Germany and United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Sulfameter?

Suppliers quote Sulfameter 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 Sulfameter

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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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