2. Others Metabolic Enzyme/Protease
  3. Acetolactate Synthase (ALS) Environmental Pollutants Herbicide
  4. Terbuthylazine

Terbuthylazine is an inhibitor of acetolactate syntase (ALS), is a selective herbicide. Terbuthylazine blocks electron transport in photosystem II via interaction with the D1-protein.

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Terbuthylazine

Terbuthylazine Chemische Struktur

CAS. Nr. : 5915-41-3

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10 mM * 1 mL in DMSO
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Based on 1 publication(s) in Google Scholar

Other Forms of Terbuthylazine:

Terbuthylazine Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Terbuthylazine

  • Biologische Aktivität

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Beschreibung

Terbuthylazine is an inhibitor of acetolactate syntase (ALS), is a selective herbicide. Terbuthylazine blocks electron transport in photosystem II via interaction with the D1-protein[1][2].

In Vitro

Terbuthylazine (6500 nM; 3 h pulse, continuous long-term exposure) causes Lemna minor to show rapid inhibition of photosynthesis (measured via Fvj) within 1 h after a 3-h pulse, followed by near-complete recovery of Fvj within 24 h and no significant long-term growth inhibition[1].
Terbuthylazine (4-7 days long-term exposure; 3 h pulse exposure followed by 4-7 days herbicide-free growth) inhibits Lemna minor area-specific growth (EC50 values of 141, 645, 796 nM for 7 or 4 days), but a 3-h pulse exposure requires concentrations >22- to >123-fold higher to induce similar growth effects due to rapid recovery[1].
Terbuthylazine (0.58-8.00 ng/mL; 4 h) reduces human peripheral blood lymphocyte viability in a concentration-dependent manner, with the 8.00 ng/mL concentration reducing viability by 15% primarily via apoptosis[2].
Terbuthylazine (0.58-8.00 ng/mL; 4 h) does not significantly reduce human HepG2 cell viability at concentrations of 0.58, 0.80, or 8.00 ng/mL after 4 h of exposure[2].
Terbuthylazine (0.58-8.00 ng/mL; 4 h) induces low-level DNA instability in human peripheral blood lymphocytes and HepG2 cells, with significantly increased DNA damage detected at 0.80 and 8.00 ng/mL after 4 h of exposure[2].

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

Terbuthylazine Related Antibodies
In Vivo

Terbuthylazine (0.0035 mg/kg bw; i.p.; daily; 14 days) induces low-level DNA instability in male Swiss albino mice, with significant increases in comet tail length and intensity in leukocytes, bone marrow, and liver cells, and reduced total comet area in liver and kidney cells[2].

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

229.71

Formel

C9H16ClN5
CAS. Nr.
Appearance

Solid

Color

White to off-white

SMILES

CCNC1=NC(Cl)=NC(NC(C)(C)C)=N1
Versand

Room temperature in continental US; may vary elsewhere.
Speicherung
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Lösungsmittel & Löslichkeit
In Vitro: 

DMSO : 50 mg/mL (217.67 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.3533 mL 21.7666 mL 43.5331 mL
5 mM 0.8707 mL 4.3533 mL 8.7066 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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molaritätsrechner

  • Verdünnungsrechner

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    40% PEG300    5% Tween-80    45% Saline

    Solubility: 2.5 mg/mL (10.88 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (10.88 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 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 (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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:  50% PEG300    50% Saline

    Solubility: 5 mg/mL (21.77 mM); Suspended solution; Need ultrasonic

  • Protocol 2

    Add each solvent one by one:  15% Cremophor EL    85% Saline

    Solubility: 20 mg/mL (87.07 mM); Suspended solution; Need ultrasonic

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.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
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).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Reinheit & Dokumentation
Verweise

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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 4.3533 mL 21.7666 mL 43.5331 mL 108.8329 mL
5 mM 0.8707 mL 4.3533 mL 8.7066 mL 21.7666 mL
10 mM 0.4353 mL 2.1767 mL 4.3533 mL 10.8833 mL
15 mM 0.2902 mL 1.4511 mL 2.9022 mL 7.2555 mL
20 mM 0.2177 mL 1.0883 mL 2.1767 mL 5.4416 mL
25 mM 0.1741 mL 0.8707 mL 1.7413 mL 4.3533 mL
30 mM 0.1451 mL 0.7256 mL 1.4511 mL 3.6278 mL
40 mM 0.1088 mL 0.5442 mL 1.0883 mL 2.7208 mL
50 mM 0.0871 mL 0.4353 mL 0.8707 mL 2.1767 mL
60 mM 0.0726 mL 0.3628 mL 0.7256 mL 1.8139 mL
80 mM 0.0544 mL 0.2721 mL 0.5442 mL 1.3604 mL
100 mM 0.0435 mL 0.2177 mL 0.4353 mL 1.0883 mL
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Terbuthylazine 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:

Terbuthylazine5915-41-3Acetolactate Synthase (ALS)Environmental PollutantsHerbicideAcetohydroxyacid synthaseEnvironmental ContaminantsD1-proteinphotosystem IIHepG2 cellsLemna minormale Swiss albino miceoxidative DNA damageDNA instabilityhuman peripheral blood lymphocytesaquatic plantsapoptosisInhibitorinhibitorinhibit

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