Catalog Num	A20966
Formula	C14H11NO5
Molecular Weight	273.24
CAS Number	134308-13-7
SMILES	O=C(C1=CC(O)=C(O)C([N+]([O-])=O)=C1)C2=CC=C(C)C=C2
Synonyms	Ro 40-7592, Ro40-7592, Ro-40-7592
Storage	Store lyophilized at -20ºC, keep desiccated. In lyophilized form, the chemical is stable for 36 months. In solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Solubility

In vitro	DMSO	53 mg/mL (193.96 mM)
	Water	Insoluble
	Ethanol	53 mg/mL
* <1 mg/ml means slightly soluble or insoluble. * Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Preparing Stock Solutions

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
0.1 mM	36.6 mL	182.99 mL	365.98 mL
0.5 mM	7.32 mL	36.6 mL	73.2 mL
1 mM	3.66 mL	18.3 mL	36.6 mL
5 mM	0.73 mL	3.66 mL	7.32 mL

Useful Calculator

This calculator helps you calculate mass of compound based on solution concentration, volume and molecular weight in a specific solution using the formula:

Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)

Calculate Reset

* Please check COA/MSDS for correct molecular weight.

Calculate the dilution required to prepare a stock solution.
This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Product Name	Price	Stock
Tolcapone 10mg	$54.00	In stock
Tolcapone 25mg	$108.00	In stock
Tolcapone 50mg	$186.00	In stock
Tolcapone 100mg	$318.00	In stock