research use only

Benserazide HCl Decarboxylase inhibitor

Name: Benserazide HCl
Brand: Selleck Chemicals
SKU: S2453
Availability: InStock
Rating: 5 (6 reviews)

Cat.No.S2453

Benserazide HCl (Ro-4-4602) is a peripherally-acting aromatic L-amino acid decarboxylase (AAAD) or DOPA decarboxylase inhibitor.Solutions are unstable and should be fresh-prepared.

Benserazide HCl Decarboxylase inhibitor Chemical Structure

Quality Control

Batch: Purity: 99.95%

99.95

Related Targets	Dehydrogenase HSP Transferase P450 (e.g. CYP17) PDE phosphatase PPAR Vitamin Carbohydrate Metabolism Mitochondrial Metabolism
Other Decarboxylase Inhibitors	Ivospemin Maleic acid TES-1025 4-Bromo-3-hydroxybenzoic acid Chelidamic acid hydrate

Solubility

In vitro
Batch:

DMSO : 59 mg/mL (200.88 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : 59 mg/mL

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	2.9mg/ml (9.87mM)	Taking the 1 mL working solution as an example, add 50 μL of 58 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.41mg/ml (1.40mM)	Taking the 1 mL working solution as an example, add 50 μL of 8.2 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg

Average weight of animals: g

Dosing volume per animal: μL

Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO

% Tween 80

% ddH₂O

% DMSO

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Chemical Information, Storage & Stability

Molecular Weight	293.7	Formula	C₁₀H₁₅N₃O₅.HCl	Storage (From the date of receipt)	1 year -80 powder（in dark and seal）
CAS No.	14919-77-8	Download SDF		Storage of Stock Solutions	Solutions are unstable. Prepare fresh or purchase small, pre-packaged sizes. Repackage upon receipt.
Synonyms	Ro-4-4602			SMILES	C1=CC(=C(C(=C1CNNC(=O)C(CO)N)O)O)O.Cl

Read more about storage stability CAS number SMILES

Mechanism of Action

Targets/IC₅₀/Ki	aromatic-L-amino-acid decarboxylase DOPA decarboxylase

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2025-08-15)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT04432623	ENROLLING_BY_INVITATION	Beta Thalassemia Intermedia; Sickle Cell Disease	Phoenicia BioScience	2020-10-05	PHASE1; PHASE2
NCT06115538	UNKNOWN	Parkinson Disease; Treatment Adherence	Ankara Ataturk Sanatorium Training and Research Hospital	2023-10-01	PHASE4
NCT02769793	COMPLETED	Parkinson Disease	Seoul National University Hospital	2015-06	PHASE4
NCT02741947	COMPLETED	Parkinson Disease	IRCCS San Raffaele Roma	2014-04	PHASE4
NCT03333369	COMPLETED	Healthy; Schizotypal Personality	University of Zurich	2014-05-15	EARLY_PHASE1
NCT01568073	COMPLETED	Parkinson's Disease	Bial - Portela C S.A.	2011-03	PHASE3

Tech Support

Handling Instructions

Tel: +1-832-582-8158 Ext:3

If you have any other enquiries, please leave a message.

C1=C0/X	C1:	LOG(C1):
C2=C1/X	C2:	LOG(C2):
C3=C2/X	C3:	LOG(C3):
C4=C3/X	C4:	LOG(C4):
C5=C4/X	C5:	LOG(C5):
C6=C5/X	C6:	LOG(C6):
C7=C6/X	C7:	LOG(C7):
C8=C7/X	C8:	LOG(C8):