Compstatin

This product is for research use only, not for human use. We do not sell to patients.

Compstatin
For small sizes, please check our retail website as below: www.invivochem.com
Size Price Stock
100mg$1275To Be Confirmed
200mg$1910To Be Confirmed
500mg$3225To Be Confirmed

Cat #: V31830 CAS #: 206645-99-0 Purity ≥ 99%

Description: Compstatin is a novel and potent 13-residue cyclic peptide acting as a potent inhibitor of the complement system C3 with species specificity.

References: Soulika AM, et al. Inhibition of heparin/protamine complex-induced complement activation by Compstatin in baboons. Clin Immunol. 2000 Sep;96(3):212-21.

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Molecular Weight (MW)1550.77
Molecular FormulaC66H99N23O17S2
CAS No.206645-99-0
SynonymsCompstatin
ProtocolIn VitroCompstatin exhibits an in vitro half-life in human blood of about2 hr.
In VivoCompstatin is stable in baboon plasma for more than 24 h. Compstatin (21 mg/kg) produces complete inhibition when given as a combination of bolus injection and infusion. Compstatin completely inhibits in vivo heparin/protamine-induced complement activation without adverse effects on heart rate or systemic arterial, central venous, and pulmonary arterial pressures.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM0.6448 mL3.2242 mL6.4484 mL12.8968 mL
5mM0.1290 mL0.6448 mL1.2897 mL2.5794 mL
10mM0.0645 mL0.3224 mL0.6448 mL1.2897 mL
20mM0.0322 mL0.1612 mL0.3224 mL0.6448 mL
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
=
Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

Concentration(start)
C1
×
Volume(start)
V1
=
Concentration(final)
C2
×
Volume(final)
V2
Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

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 add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (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.