Telmisartan (BIBR 277)

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

Telmisartan (BIBR 277)
For small sizes, please check our retail website as below: www.invivochem.com
Size Price Stock
1g$250In Stock
10g$750In Stock
20g$1125In Stock

Cat #: V1775 CAS #: 144701-48-4 Purity ≥ 98%

Description: Telmisartan (formerly BIBR-277; BIBR 277; BIBR277; Kinzalmono; Micardis) is a long lasting angiotensin II receptor antagonist (ARB) approved for use in the management of hypertension.

References: Maillard MP, et al. In vitro and in vivo characterization of the activity of telmisartan: an insurmountable angiotensin II receptor antagonist. J Pharmacol Exp Ther. 2002 Sep;302(3):1089-95.

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Molecular Weight (MW)514.62
Molecular FormulaC33H30N4O2
CAS No.144701-48-4
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: 13 mg/mL (25.3 mM)r
Water:<1 mg/mLr
Ethanol:<1 mg/mL
SynonymsTelmisartan; BIBR277; BIBR 277; BIBR-277; Kinzalmono; Micardis;
ProtocolIn VitroIn intact RVSMC cell and membrane formulations, Telmisartan is inhibited in a concentration-dependent manner125Binding of I-AngII to AT1 receptors, IC50 is 9.2 ± 0.8 nM. Under the same experimental conditions, angiotensin II was substituted125I-AngII,IC50 The value is 2.9 ± 0.5 nM. [3H]Specific binding of Telmisartan to SMC membranes to ICs replaced by unlabeled Telmisartan and cold AngII50 The values are 7.7 ± 1.8 nM and 32.7 ± 5.7 nM, respectively
In VivoIn intact RVSMC cell and membrane formulations, Telmisartan is inhibited in a concentration-dependent manner125Binding of I-AngII to AT1 receptors, IC50 is 9.2 ± 0.8 nM. Under the same experimental conditions, angiotensin II was substituted125I-AngII,IC50 The value is 2.9 ± 0.5 nM. [3H]Specific binding of Telmisartan to SMC membranes to ICs replaced by unlabeled Telmisartan and cold AngII50 The values are 7.7 ± 1.8 nM and 32.7 ± 5.7 nM, respectively
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
1mM1.9432 mL9.7159 mL19.4318 mL38.8636 mL
5mM0.3886 mL1.9432 mL3.8864 mL7.7727 mL
10mM0.1943 mL0.9716 mL1.9432 mL3.8864 mL
20mM0.0972 mL0.4858 mL0.9716 mL1.9432 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.