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Pristinamycin (NSC-246121)

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Pristinamycin (NSC-246121)
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Cat #: V5304 CAS #: 11006-76-1 Purity ≥ 98%

Description: Pristinamycin (Virginiamycin antibiotic complex; NSC-246121; Antibiotic 899; Founderguard) is a novel, naurally occuring streptogramin-like and potent antibiotic used primarily in the treatment of staphylococcal infections, and to a lesser extent streptococcal infections. Pristinamycin is a mixture of two components that have a synergistic antibacterial action. Pristinamycin IA is a macrolide, and results in pristinamycin's having a similar spectrum of action to erythromycin. Virginiamycin complex contains two streptogramin antibiotics, virginiamycin M1 (75%) and virginiamycin S1 (25%).

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CAS No.11006-76-1
Storage-20℃ for 3 years in powder form
-80℃ for 2 years in solvent
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
 
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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
 
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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.