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Vemircopan (ALXN2050; ACH 0145228; ACH-5228)

Cat No.:V74779 Purity: ≥98%
Vemircopan (ALXN2050) is an orally bioactive complement factor D (FD) inhibitor.
Vemircopan (ALXN2050; ACH 0145228; ACH-5228)
Vemircopan (ALXN2050; ACH 0145228; ACH-5228) Chemical Structure CAS No.: 2086178-00-7
Product category: Complement System
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
Other Sizes
Official Supplier of:
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Product Description
Vemircopan (ALXN2050) is an orally bioactive complement factor D (FD) inhibitor.
Biological Activity I Assay Protocols (From Reference)
References

[1]. Developments in anti-complement therapy; from disease to clinical trial. Mol Immunol. 2018 Oct;102:89-119.

Additional Infomation
Vermicolpan is an orally bioavailable inhibitor of complement factor D (FD; CFD). Complement factor D is a serine protease that cleaves complement factor B and possesses potential complement system inhibitory activity. Upon administration, Vermicolpan targets and blocks the activity of FD, thereby inhibiting the cleavage of complement factor B into complement factor Bα and complement factor β in the alternative complement cascade pathway. This inhibits FD-mediated signaling and activation of the alternative complement pathway (ACP), blocking complement-mediated hemolysis in paroxysmal nocturnal hemoglobinuria (PNH) and preventing ACP-induced tissue damage. FD plays a crucial role in ACP activation.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C29H28BRN7O3
Molecular Weight
602.4817
Exact Mass
601.143
CAS #
2086178-00-7
PubChem CID
126642840
Appearance
White to off-white solid powder
LogP
4.1
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
6
Heavy Atom Count
40
Complexity
1010
Defined Atom Stereocenter Count
3
SMILES
BrC1C([H])=C([H])C(C([H])([H])[H])=C(N=1)N([H])C([C@]1([H])C([H])([H])[C@@]2(C([H])([H])[H])C([H])([H])[C@@]2([H])N1C(C([H])([H])N1C2C([H])=C([H])C(C3=C([H])N=C(C([H])([H])[H])N=C3[H])=C([H])C=2C(C(C([H])([H])[H])=O)=N1)=O)=O
InChi Key
OCXAGXCMZACNEC-CTWZREHQSA-N
InChi Code
InChI=1S/C29H28BrN7O3/c1-15-5-8-24(30)33-27(15)34-28(40)22-10-29(4)11-23(29)37(22)25(39)14-36-21-7-6-18(19-12-31-17(3)32-13-19)9-20(21)26(35-36)16(2)38/h5-9,12-13,22-23H,10-11,14H2,1-4H3,(H,33,34,40)/t22-,23+,29-/m0/s1
Chemical Name
(1R,3S,5R)-2-[2-[3-acetyl-5-(2-methylpyrimidin-5-yl)indazol-1-yl]acetyl]-N-(6-bromo-3-methylpyridin-2-yl)-5-methyl-2-azabicyclo[3.1.0]hexane-3-carboxamide
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: 50 mg/mL (82.99 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 1 mg/mL (1.66 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 10.0 mg/mL clear DMSO stock solution to 400 μL of PEG300 and mix evenly; then add 50 μL of Tween-80 to the above solution and mix evenly; then add 450 μL of normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 1 mg/mL (1.66 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 10.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 1 mg/mL (1.66 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 10.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.6598 mL 8.2990 mL 16.5981 mL
5 mM 0.3320 mL 1.6598 mL 3.3196 mL
10 mM 0.1660 mL 0.8299 mL 1.6598 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Clinical Trial Information
Title:Study of ALXN2050 in Proliferative Lupus Nephritis (LN) or Immunoglobulin A Nephropathy (IgAN)
Status:Terminated
updateDate:2025-10-15
Ctid:NCT05097989

Link: https://clinicaltrials.gov/ct2/show/NCT05097989

Conditions:Lupus Nephritis|Immunoglobulin A Nephropathy|IgAN|LN
Interventions:Placebo
Phase:Phase 2
Title:Potential Drug Interaction Study Between Vemircopan and Rosuvastatin, Metformin, Levonorgestrel/Ethinyl Estradiol-containing Oral Contraceptives, and Carbamazepine
Status:Completed
updateDate:2025-08-12
Ctid:NCT06071442

Link: https://clinicaltrials.gov/ct2/show/NCT06071442

Conditions:Healthy Participants
Interventions:Carbamazepine
Phase:Phase 1
Title:Study of ALXN2050 in Participants With Hepatic Impairment
Status:Terminated
updateDate:2025-03-19
Ctid:NCT05259085

Link: https://clinicaltrials.gov/ct2/show/NCT05259085

Conditions:Impaired Hepatic Function|Healthy
Interventions:ALXN2050
Phase:Phase 1
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Title:Study of ALXN2050 in Adult Participants With Generalized Myasthenia Gravis
Status:Terminated
updateDate:2025-01-09
Ctid:NCT05218096

Link: https://clinicaltrials.gov/ct2/show/NCT05218096

Conditions:Generalized Myasthenia Gravis|Myasthenia Gravis
Interventions:Placebo
Phase:Phase 2
Title:Study of the Oral Factor D (FD) Inhibitor ALXN2050 in PNH Patients as Monotherapy
Status:Terminated
updateDate:2024-11-20
Ctid:NCT04170023

Link: https://clinicaltrials.gov/ct2/show/NCT04170023

Conditions:Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions:ALXN2050
Phase:Phase 2
Title:Study of ALXN2050 in Participants With Renal Impairment
Status:Completed
updateDate:2023-09-29
Ctid:NCT04623710

Link: https://clinicaltrials.gov/ct2/show/NCT04623710

Conditions:Renal Impairment|Healthy
Interventions:ALXN2050
Phase:Phase 1
Title:Drug-Drug Interaction (DDI) Study of ALXN2050 in Healthy Adult Participants
Status:Completed
updateDate:2023-04-04
Ctid:NCT05202145

Link: https://clinicaltrials.gov/ct2/show/NCT05202145

Conditions:Healthy
Interventions:MMF
Phase:Phase 1
Title:Study of ALXN2050 in Healthy Adult Participants of Japanese Descent
Status:Completed
updateDate:2022-12-09
Ctid:NCT04952545

Link: https://clinicaltrials.gov/ct2/show/NCT04952545

Conditions:Healthy
Interventions:Placebo
Phase:Phase 1
Title:Drug Interaction Study of ALXN2050 With Fluconazole and Rifampin in Healthy Adult Participants
Status:Completed
updateDate:2022-12-08
Ctid:NCT04933682

Link: https://clinicaltrials.gov/ct2/show/NCT04933682

Conditions:Healthy
Interventions:Rifampin
Phase:Phase 1
Title:A Study of the Cardiac Effects of ALXN2050 in Healthy Adults
Status:Completed
updateDate:2021-12-29
Ctid:NCT04660890

Link: https://clinicaltrials.gov/ct2/show/NCT04660890

Conditions:Healthy
Interventions:Moxifloxacin-matching Placebo
Phase:Phase 1
Title:A Study of Single-dose ALXN2050 in Healthy Adults
Status:Completed
updateDate:2021-09-17
Ctid:NCT05047458

Link: https://clinicaltrials.gov/ct2/show/NCT05047458

Conditions:Healthy
Interventions:Placebo
Phase:Phase 1
Title:A Study of Multiple Doses of ALXN2050 in Healthy Adults
Status:Completed
updateDate:2021-09-17
Ctid:NCT05047484

Link: https://clinicaltrials.gov/ct2/show/NCT05047484

Conditions:Healthy
Interventions:Placebo
Phase:Phase 1
Title:A Drug Interaction Study of ACH-0145228
Status:Completed
updateDate:2021-01-14
Ctid:NCT04709081

Link: https://clinicaltrials.gov/ct2/show/NCT04709081

Conditions:Healthy
Interventions:Itraconazole
Phase:Phase 1

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