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Pergafast

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

Pergafast
For small sizes, please check our retail website as below: www.invivochem.com
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Cat #: V4759 CAS #: 232938-43-1 Purity ≥ 98%

Description: Pergafast is a proprietary color developer for thermal paper. It was developed as an alternative to BPA and phenolic containing color developers. It is used in thermal print paper. Pergafast® 201 is not only an alternative to BPA but is also nonphenolic.

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CAS No.232938-43-1
Storage-20℃ for 3 years in powder form
-80℃ for 2 years in solvent
SynonymsN-(4-Methylphenylsulfonyl)-N’-[3-(4-methylphenylsulfonyloxy)phenyl]urea; N-(p-Toluenesulfonyl)-N’-(3-p-toluenesulfonyloxyphenyl)urea; N-p-Tolylsulfonyl-N’-3-(p-tolylsulfonyloxy)phenylurea; PF 201; 4-Methyl-N-[[[3-[[(4-methylphenyl)sulfonyl]oxy]phenyl
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
 
=
Concentration
 
×
Volume
 
×
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.