2. Cytoskeleton
  3. Myosin
  4. BTS

BTS  (Synonyms: N-Benzyl-p-toluenesulfonamide; N-Tosylbenzylamine)

Cat. No.: HY-16690 Pureza: 99.79%
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SDS
Instrucciones de manejo Technical Support

BTS (N-Benzyl-p-toluenesulfonamide) is a potent and selective inhibitor of skeletal muscle myosin II subfragment 1 (S1) ATPase activity, with an IC50s of ~5 µM for actin- and Ca2+-stimulated myosin S1 ATPase. BTS specifically inhibits the contraction of fast skeletal muscle fibers.

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BTS

BTS Estructura química

No. CAS : 1576-37-0

Tamaño Precio Stock Cantidad
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 En stock
Solution
10 mM * 1 mL in DMSO En stock
Solid
1 g En stock
5 g En stock
10 g   Obtener un presupuesto  
50 g   Obtener un presupuesto  

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Revisión del cliente

Based on 3 publication(s) in Google Scholar

BTS Related Antibodies

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Descripciòn

BTS (N-Benzyl-p-toluenesulfonamide) is a potent and selective inhibitor of skeletal muscle myosin II subfragment 1 (S1) ATPase activity, with an IC50s of ~5 µM for actin- and Ca2+-stimulated myosin S1 ATPase. BTS specifically inhibits the contraction of fast skeletal muscle fibers[1][2].

IC50 & Target

IC50: ~5 µM (skeletal muscle myosin II S1 ATPase)
In Vitro

BTS (2-12 μM) inhibits the Ca2+-stimulated ATPase activity of myosin S1 in the absence of actin, with an IC50 of ~5 µM[1].
BTS (2-20 μM) reversibly inhibits the gliding motility rate of heavy meromyosin (HMM)[1].
BTS (100 μM) releases myosin from actin in the presence of ADP[1].
BTS (0-20 μM) reversibly inhibits isometric Ca2+-activated tension in skinned skeletal muscle fibres from rabbit and frog, with IC50s of ~3 µM and 1 µM, respectively[1].

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

BTS Related Antibodies
Peso molecular

261.34

Fòrmula

C14H15NO2S
No. CAS
Appearance

Solid

Color

White to off-white

SMILES

O=S(NCC1=CC=CC=C1)(C2=CC=C(C)C=C2)=O
Envío

Room temperature in continental US; may vary elsewhere.
Almacenamiento
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvente y solubilidad
In Vitro: 

DMSO : 125 mg/mL (478.30 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : 0.1 mg/mL (0.38 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.8264 mL 19.1322 mL 38.2643 mL
5 mM 0.7653 mL 3.8264 mL 7.6529 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.

* 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.

  • Calculadora de molaridad

  • Calculadora de dilución

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 (9.57 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    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% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (9.57 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
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.
Pureza y Documentación

Purity: 99.79%

SDS (393 KB)

COA (245 KB) HNMR (254 KB) LCMS (91 KB)

Instrucciones de manejo (2659 KB)
Referencias

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 3.8264 mL 19.1322 mL 38.2643 mL 95.6608 mL
5 mM 0.7653 mL 3.8264 mL 7.6529 mL 19.1322 mL
10 mM 0.3826 mL 1.9132 mL 3.8264 mL 9.5661 mL
15 mM 0.2551 mL 1.2755 mL 2.5510 mL 6.3774 mL
20 mM 0.1913 mL 0.9566 mL 1.9132 mL 4.7830 mL
25 mM 0.1531 mL 0.7653 mL 1.5306 mL 3.8264 mL
30 mM 0.1275 mL 0.6377 mL 1.2755 mL 3.1887 mL
40 mM 0.0957 mL 0.4783 mL 0.9566 mL 2.3915 mL
50 mM 0.0765 mL 0.3826 mL 0.7653 mL 1.9132 mL
60 mM 0.0638 mL 0.3189 mL 0.6377 mL 1.5943 mL
80 mM 0.0478 mL 0.2392 mL 0.4783 mL 1.1958 mL
100 mM 0.0383 mL 0.1913 mL 0.3826 mL 0.9566 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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BTS 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:

BTS1576-37-0N-Benzyl-p-toluenesulfonamide N-TosylbenzylamineMyosinskeletalmusclemyosinIIsubfragmentS1ATPaseactinCa2+fibersInhibitorinhibitorinhibit

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BTS
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SAFETY DATA SHEET (SDS)

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