2. Anti-infection
  3. Antibiotic Bacterial
  4. Sulfamethazine sodium

Sulfamethazine sodium  (Synonyms: Sulfadimidine sodium; Sulfadimerazine sodium)

Cat. No.: HY-B0035A Purity: 99.90%
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Handling Instructions Technical Support

Sulfamethazine (Sulfadimidine) sodium is a brain-penetrant sulfonamide antibiotic. Sulfamethazine sodium inhibits bacterial growth by blocking the synthesis of folic acid. Sulfamethazine sodium can be used for research on bacterial infections.

For research use only. We do not sell to patients.

Sulfamethazine sodium

Sulfamethazine sodium Chemical Structure

CAS No. : 1981-58-4

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10 mM * 1 mL in DMSO
ready for reconstitution
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Based on 3 publication(s) in Google Scholar

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Sulfamethazine sodium Related Antibodies

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  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Sulfamethazine (Sulfadimidine) sodium is a brain-penetrant sulfonamide antibiotic. Sulfamethazine sodium inhibits bacterial growth by blocking the synthesis of folic acid. Sulfamethazine sodium can be used for research on bacterial infections[1][2].

IC50 & Target

Bacterial[1]
In Vivo

Sulfamethazine (0.3 g/kg; i.m.; single dose) sodium demonstrates restricted passage across the blood-brain barrier in adult pregnant and non-pregnant Wistar rats, with brain levels consistently reaching 30-37% of corresponding blood levels[1].
Sulfamethazine (80 mg/kg; i.v.; single dose) sodium treatment significantly reduced α, β and AUC0-∞, and significantly increased t1/2α, Vd and CIB, with an absolute bioavailability of 1.01[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Wistar rats (adult female, pregnant and non-pregnant)[2]
Dosage: 0.3 g/kg
Administration: i.m.; single dose
Result: Measured blood sulfamethazine level of 17.27 mg/100 mL and brain level of 5.71 mg/100 mL (33% of blood level) at 60 minutes in gestational day 10 pregnant rats receiving carbadox.
Reached peak blood sulfamethazine level of 22.23 mg/100 mL and brain level of 8.30 mg/100 mL (37% of blood level) at 120 minutes in gestational day 10 pregnant rats receiving carbadox.
Measured blood sulfamethazine level of 15.55 mg/100 mL and brain level of 5.11 mg/100 mL (32% of blood level) at 240 minutes in gestational day 10 pregnant rats receiving carbadox.
Measured blood sulfamethazine level of 23.44 mg/100 mL and brain level of 7.35 mg/100 mL (31% of blood level) at 60 minutes in gestational day 20 pregnant rats receiving carbadox.
Reached peak blood sulfamethazine level of 31.51 mg/100 mL and brain level of 11.11 mg/100 mL (35% of blood level) at 120 minutes in gestational day 20 pregnant rats receiving carbadox.
Measured blood sulfamethazine level of 25.20 mg/100 mL and brain level of 8.30 mg/100 mL (32% of blood level) at 240 minutes in gestational day 20 pregnant rats receiving carbadox.
Measured blood sulfamethazine level of 17.24 mg/100 mL and brain level of 5.15 mg/100 mL (30% of blood level) at 60 minutes in gestational day 10 pregnant rats not receiving carbadox.
Reached peak blood sulfamethazine level of 22.75 mg/100 mL and brain level of 8.25 mg/100 mL (36% of blood level) at 120 minutes in gestational day 10 pregnant rats not receiving carbadox.
Measured blood sulfamethazine level of 15.80 mg/100 mL and brain level of 5.15 mg/100 mL (32% of blood level) at 240 minutes in gestational day 10 pregnant rats not receiving carbadox.
Measured blood sulfamethazine level of 23.78 mg/100 mL and brain level of 8.05 mg/100 mL (33% of blood level) at 60 minutes in gestational day 20 pregnant rats not receiving carbadox.
Reached peak blood sulfamethazine level of 30.72 mg/100 mL and brain level of 10.83 mg/100 mL (35% of blood level) at 120 minutes in gestational day 20 pregnant rats not receiving carbadox.
Measured blood sulfamethazine level of 25.68 mg/100 mL and brain level of 8.77 mg/100 mL (34% of blood level) at 240 minutes in gestational day 20 pregnant rats not receiving carbadox.
Observed slightly higher blood sulfamethazine levels in pregnant rats than non-pregnant counterparts, and higher levels in 20-day pregnant rats than 10-day pregnant rats.
Detected no significant difference in sulfamethazine levels in blood and brain between rats receiving carbadox and those that did not.
Molecular Weight

300.31

Formula

C12H13N4NaO2S
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=S(C1=CC=C(N)C=C1)([N-]C2=NC(C)=CC(C)=N2)=O.[Na+]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (832.47 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : 100 mg/mL (332.99 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.3299 mL 16.6495 mL 33.2989 mL
5 mM 0.6660 mL 3.3299 mL 6.6598 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 2.08 mg/mL (6.93 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
H2O / DMSO 1 mM 3.3299 mL 16.6495 mL 33.2989 mL 83.2473 mL
5 mM 0.6660 mL 3.3299 mL 6.6598 mL 16.6495 mL
10 mM 0.3330 mL 1.6649 mL 3.3299 mL 8.3247 mL
15 mM 0.2220 mL 1.1100 mL 2.2199 mL 5.5498 mL
20 mM 0.1665 mL 0.8325 mL 1.6649 mL 4.1624 mL
25 mM 0.1332 mL 0.6660 mL 1.3320 mL 3.3299 mL
30 mM 0.1110 mL 0.5550 mL 1.1100 mL 2.7749 mL
40 mM 0.0832 mL 0.4162 mL 0.8325 mL 2.0812 mL
50 mM 0.0666 mL 0.3330 mL 0.6660 mL 1.6649 mL
60 mM 0.0555 mL 0.2775 mL 0.5550 mL 1.3875 mL
80 mM 0.0416 mL 0.2081 mL 0.4162 mL 1.0406 mL
100 mM 0.0333 mL 0.1665 mL 0.3330 mL 0.8325 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Sulfamethazine sodium Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Sulfamethazine1981-58-4SulfadimidineSulfadimerazineAntibioticBacterialthyroid follicular hyperplasiaAmes testthyroid follicular hypertrophychromosomal aberration testthyroid peroxidaseunscheduled DNA synthesis testrodent tumorthyroid cancer cellthyroxinepituitary thyroid-stimulating hormoneInhibitorinhibitorinhibit

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