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Thiotepa (STEPA; TESPA)

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

Thiotepa (STEPA; TESPA)
For small sizes, please check our retail website as below: www.invivochem.com
Size Price Stock
500mg$150To Be Confirmed
1g$250To Be Confirmed
5g$630To Be Confirmed

Cat #: V5079 CAS #: 52-24-4 Purity ≥ 98%

Description: Thiotepa or Thio-TEPA (NSC-6396; AI3 24916; WR45312; Girostan), an approved drug for cancer treatment, is a potent DNA alkylating agent with antitumor activity.

References: Hagen B, et al. Metabolism and alkylating activity of thio-TEPA in rat liver slice incubation. Cancer Chemother Pharmacol. 1991;28(6):441-7.

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Product Promise

Promise
Molecular Weight (MW)189.22
Molecular FormulaC6H12N3PS
CAS No.52-24-4
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
SMILES CodeS=P(N1CC1)(N2CC2)N3CC3
SynonymsNSC-6396; AI3 24916; WR45312; NSC 6396; AI324916; WR 45312; NSC6396; AI3-24916; Girostan; thiophosphoramide; thiophosphamide; triethylene thiophosphoramide. trade names: Girostan; STEPA; TESPA; Thiofozil; Thioplex; Tifosyl
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM5.2849 mL26.4243 mL52.8485 mL105.6971 mL
5mM1.0570 mL5.2849 mL10.5697 mL21.1394 mL
10mM0.5285 mL2.6424 mL5.2849 mL10.5697 mL
20mM0.2642 mL1.3212 mL2.6424 mL5.2849 mL
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.