2,3,3-trimethyl-3H-Indole-5-sulfonic acid potassium salt (1:1)

Cat. No.: HY-W024881 Purity: 99.64%: FAQs
Data Sheet SDS COA Handling Instructions

Molarity Calculator

2,3,3-Trimethylindolenine-5-sulfonic acid potassium is a water-soluble fluorescent near-infrared dye that can be coupled to peptides, proteins, nucleic acids, RNA, DNA, carbohydrates, polymers, and small molecules via sulfonyl substituents.

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

2,3,3-trimethyl-3H-Indole-5-sulfonic acid potassium salt (1:1) Chemical Structure

CAS No. : 184351-56-2

Size	Price	Stock	Quantity
25 mg	USD 35	In-stock	Estimated Time of Arrival: December 31
50 mg	USD 60	In-stock	Estimated Time of Arrival: December 31
100 mg	USD 110	In-stock	Estimated Time of Arrival: December 31
200 mg		Get quote
500 mg		Get quote

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Description

Molecular Weight

278.39

Formula

C₁₁H₁₂KNO₃S

CAS No.

184351-56-2

Appearance

Solid

Color

Purple to orange

SMILES

O=S(O)(C1=CC2=C(N=C(C2(C)C)C)C=C1)=O.[K]

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, stored under nitrogen, away from moisture

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

Solvent & Solubility

In Vitro:

H₂O : 116.67 mg/mL (419.09 mM; Need ultrasonic)

DMSO : 58.33 mg/mL (209.53 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	3.5921 mL	17.9604 mL	35.9208 mL
5 mM	0.7184 mL	3.5921 mL	7.1842 mL
10 mM	0.3592 mL	1.7960 mL	3.5921 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 (stored under nitrogen, 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

Concentration _(start)

Volume _(start)

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: 99.64%

Select Batch:

Data Sheet (269 KB) SDS (393 KB)

COA (253 KB) HNMR (251 KB) LCMS (87 KB)

Handling Instructions (2659 KB)

References

[1]. Li F, et al. A covalent approach for site‐specific RNA Labeling in mammalian cells[J]. Angewandte Chemie, 2015, 127(15): 4680-4685. [Content Brief]

Complete Stock Solution Preparation Table

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

DMSO / H₂O	1 mM	3.5921 mL	17.9604 mL	35.9208 mL	89.8021 mL
	5 mM	0.7184 mL	3.5921 mL	7.1842 mL	17.9604 mL
	10 mM	0.3592 mL	1.7960 mL	3.5921 mL	8.9802 mL
	15 mM	0.2395 mL	1.1974 mL	2.3947 mL	5.9868 mL
	20 mM	0.1796 mL	0.8980 mL	1.7960 mL	4.4901 mL
	25 mM	0.1437 mL	0.7184 mL	1.4368 mL	3.5921 mL
	30 mM	0.1197 mL	0.5987 mL	1.1974 mL	2.9934 mL
	40 mM	0.0898 mL	0.4490 mL	0.8980 mL	2.2451 mL
	50 mM	0.0718 mL	0.3592 mL	0.7184 mL	1.7960 mL
	60 mM	0.0599 mL	0.2993 mL	0.5987 mL	1.4967 mL
	80 mM	0.0449 mL	0.2245 mL	0.4490 mL	1.1225 mL
	100 mM	0.0359 mL	0.1796 mL	0.3592 mL	0.8980 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.