[CAS NO. ]  Tigecyclinetetramesylate

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PRODUCTS SPECIFICATIONS

Distributor
Catalog
HY-B0117C
Brand
MCE
CAS
-

DESCRIPTION

Overview

MDL-
Molecular Weight970.07
Molecular FormulaC33H55N5O20S4
SMILESO=S(C)(O)=O.O=S(C)(O)=O.O=S(C)(O)=O.O=C(C(C1=O)=C(O)[C@@H](N(C)C)[C@]2([H])C[C@]3([H])CC4=C(C(C3=C(O)[C@@]21O)=O)C(O)=C(NC(CNC(C)(C)C)=O)C=C4N(C)C)N.O=S(C)(O)=O

For research use only. We do not sell to patients.


Summary

Tigecycline tetramesylate (GAR-936 tetramesylate) is a broad-spectrum glycylcycline antibiotic . The mean inhibitory concentration (MIC) of Tigecycline for E. coli (MG1655 strain) is approximately 125 ng/mL [1] . MIC 50 and MIC 90 are 1 and 2 mg/L for Acinetobacter baumannii ( A. baumannii ), respectively [2] .


IC50 & Target

Mean MIC: 125 ng/mL ( E. coli ) [1]
MIC50: 1 mg/mL ( A. baumannii ) [2]
MIC90: 2 mg/mL ( A. baumannii ) [2]


In Vitro

Tigecycline (0.63-30 µM, preincubated for 4 days, treated for 72 h) inhibits AML2 cells and HL-60 cells with IC 50 s of 4.72±0.54 and 3.06±0.85 μM (freshly prepared). Tigecycline inhibits AML2 cells and HL-60 cells with IC 50 s of 5.64±0.55 and 4.27±0.45 μM (1 day preincubation). Tigecycline inhibits AML2 cells and HL-60 cells with IC 50 s of 5.02±0.60 and 4.39±0.44 μM (2 day preincubation). Tigecycline inhibits AML2 cells and HL-60 cells with IC 50 s of 4.09±0.41 and 3.95±0.39 μM (3 day preincubation). After a 4 day preincubation of Tigecycline in saline, Tigecycline lost its ability to kill TEX human leukemia cells (from IC 50 ~5 µM when freshly prepared to IC 50 >50 µM after 4 days preincubation) as measured by CellTiter Flour assay [1] .

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Viability Assay [1]

Cell Line: Human leukemic OCI-AML2, HL-60 (ATCC) and TEX cell lines
Concentration: 0.63-30 µM
Incubation Time: Preincubated for 4 days, treated for 72 hours
Result: Inhibited AML2 cells and HL-60 cells with IC 50 s of 4.72±0.54 and 3.06±0.85 μM (freshly prepared).

In Vivo

Tigecycline (50 mg/kg; intraperitoneal injection; twice a day; for 11 days) reduces tumor volume and weight in NOD/SCID mice [1] .
The peak plasma concentration (C max ), the terminal half-life (t 1/2 ), area under the plasma concentration-time curve (AUC), clearance (CL) and volume of distribution (Vz) are 22.8μg/mL, 108.9 min, 1912.2min*μg/mL, 26.1 mL/min/kg, 4109.4 mL/kg for Tigecycline in saline, respectively. The peak plasma concentration (C max ), the terminal half-life (t 1/2 ), area under the plasma concentration-time curve (AUC), clearance (CL) and volume of distribution (Vz) are15.7μg/mL, 110.3 min, 2036.5 min*μg/mL, 24.6 mL/min/kg, 3906.2 mL/kg for Tigecycline in formulation (60 mg/mL pyruvate, 3 mg/mL ascorbic acid, pH 7 in saline) , respectively.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: NOD/SCID mice with OCI-AML2 acute myeloid leukemia (AML) xenograft model [1]
Dosage: 50 mg/kg
Administration: Intraperitoneal injection; twice a day; for 11 days
Result: Reduced tumor volume and weight.
Animal Model: NOD/SCID mice [1]
Dosage: 50 mg/kg
Administration: Intraperitoneal injection; 360 minutes
Result: The peak plasma concentration (C max ), the terminal half-life (t 1/2 ), area under the plasma concentration-time curve (AUC), clearance (CL) and volume of distribution (Vz) are 22.8 μg/mL, 108.9 min, 1912.2 min*μg/mL, 26.1 mL/min/kg, 4109.4 mL/kg, respectively.

Clinical Trial

NCT Number Sponsor Condition Start Date Phase
NCT01401023 Gary E. Stein, Pharm.D.|Pfizer|Michigan State University
Diarrhea|Clostridium Difficile
July 2011 Not Applicable
NCT01560143 Manjunath Prakash Pai|Pfizer|University of Michigan
Obesity
March 2012 Phase 4
NCT00575094 Wyeth is now a wholly owned subsidiary of Pfizer
Community-Acquired Infections
November 2007 Phase 3

Appearance

Solid


Shipping

Room temperature in continental US; may vary elsewhere.


Storage

4°C, sealed storage, away from moisture

* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)


Solvent & Solubility

In Vitro:

DMSO : 100 mg/mL ( 103.09 mM ; Need ultrasonic)

H 2 O : 50 mg/mL ( 51.54 mM ; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.0309 mL 5.1543 mL 10.3085 mL
5 mM 0.2062 mL 1.0309 mL 2.0617 mL
10 mM 0.1031 mL 0.5154 mL 1.0309 mL
* Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one: PBS

    Solubility: 50 mg/mL (51.54 mM); Clear solution; Need ultrasonic

  • 2.

    Add each solvent one by one: 10% DMSO >> 40% PEG300 >> 5% Tween-80 >> 45% saline

    Solubility: ≥ 2.5 mg/mL (2.58 mM); Clear solution

  • 3.

    Add each solvent one by one: 10% DMSO >> 90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (2.58 mM); Clear solution

* All of the co-solvents are available by MCE.