Valethamate bromide

Cat. No.: HY-B2112 Purity: ≥98.0%: FAQs
Data Sheet SDS COA Handling Instructions

Molarity Calculator

Valethamate bromide is an ester and is a potent rapidly acting anticholinergic spasmolytic and musculotropic agent which accelerates labor by improving cervical dilation.

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

Valethamate bromide Chemical Structure

CAS No. : 90-22-2

Size	Price	Stock	Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO ready for reconstitution	USD 33	In-stock	Estimated Time of Arrival: December 31
Solution
10 mM * 1 mL in DMSO	USD 33	In-stock	Estimated Time of Arrival: December 31
Solid
100 mg	USD 30	In-stock	Estimated Time of Arrival: December 31
200 mg		Get quote
500 mg		Get quote

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Purity & Documentation
References
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Description

Valethamate bromide is an ester and is a potent rapidly acting anticholinergic spasmolytic and musculotropic agent which accelerates labor by improving cervical dilation^[1].

Molecular Weight

386.37

Formula

C₁₉H₃₂BrNO₂

CAS No.

90-22-2

Appearance

Solid

Color

White to off-white

SMILES

CCC(C)C(C1=CC=CC=C1)C(OCC[N+](CC)(CC)C)=O.[Br-]

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 : 100 mg/mL (258.82 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H₂O : 50 mg/mL (129.41 mM; Need ultrasonic)

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	2.5882 mL	12.9410 mL	25.8819 mL
5 mM	0.5176 mL	2.5882 mL	5.1764 mL
10 mM	0.2588 mL	1.2941 mL	2.5882 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.

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Dilution Calculator

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

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

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

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Concentration _(final)

Volume _(final)

In Vivo Dissolution Calculator

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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

Purity: ≥98.0%

Select Batch:

Data Sheet (267 KB) SDS (251 KB)

COA (246 KB) HNMR (208 KB)

Handling Instructions (2659 KB)

References

[1]. Sharma JB, et al. Drotaverine hydrochloride vs. valethamate bromide in acceleration of labor. Int J Gynaecol Obstet. 2001;74(3):255-260. [Content Brief]

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

H₂O / DMSO	1 mM	2.5882 mL	12.9410 mL	25.8819 mL	64.7048 mL
	5 mM	0.5176 mL	2.5882 mL	5.1764 mL	12.9410 mL
	10 mM	0.2588 mL	1.2941 mL	2.5882 mL	6.4705 mL
	15 mM	0.1725 mL	0.8627 mL	1.7255 mL	4.3137 mL
	20 mM	0.1294 mL	0.6470 mL	1.2941 mL	3.2352 mL
	25 mM	0.1035 mL	0.5176 mL	1.0353 mL	2.5882 mL
	30 mM	0.0863 mL	0.4314 mL	0.8627 mL	2.1568 mL
	40 mM	0.0647 mL	0.3235 mL	0.6470 mL	1.6176 mL
	50 mM	0.0518 mL	0.2588 mL	0.5176 mL	1.2941 mL
	60 mM	0.0431 mL	0.2157 mL	0.4314 mL	1.0784 mL
	80 mM	0.0324 mL	0.1618 mL	0.3235 mL	0.8088 mL
	100 mM	0.0259 mL	0.1294 mL	0.2588 mL	0.6470 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.