2. Anti-infection
  3. Bacterial
  4. T-91825

T-91825 (PPI-0903M), an N-phosphono-type cephalosporin, is the active form of TAK-599. T-91825 is active against both gram-positive and gram-negative bacteria.

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

T-91825 Chemical Structure

T-91825 Chemical Structure

CAS No. : 189345-04-8

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5 mg USD 750 In-stock
10 mg USD 1200 In-stock
25 mg USD 2500 In-stock
50 mg USD 4050 In-stock
100 mg USD 6450 In-stock
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Based on 1 publication(s) in Google Scholar

T-91825 Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

T-91825 (PPI-0903M), an N-phosphono-type cephalosporin, is the active form of TAK-599. T-91825 is active against both gram-positive and gram-negative bacteria[1][2].

In Vitro

PPI-0903M is very active against S. aureus (MIC50=0.25 μg/mL), including methicillin-resistant (MRSA) strains (MIC50=1 μg/mL)[1].
? PPI-0903M is active against hetero-vancomycin-intermediate S. aureus (100 strains), with MIC50s ranging from 0.25 to 4 μg/mL[1].

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

T-91825 Related Antibodies
In Vivo

AK-599 (20 mg/kg; s.c. three times a day for 2 days) decreases the bacterial cell counts in lungs more than 99.9% in a mouse pneumonia model caused by MRSA[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Molecular Weight

604.70

Formula

C22H20N8O5S4
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

C[N+]1=CC=C(C2=CSC(SC(CS[C@]3([H])[C@@H]4NC(/C(C5=NSC(N)=N5)=N\OCC)=O)=C(C([O-])=O)N3C4=O)=N2)C=C1
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, sealed storage, away from moisture and light

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

Solvent & Solubility
In Vitro: 

DMSO : 85 mg/mL (140.57 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.6537 mL 8.2686 mL 16.5371 mL
5 mM 0.3307 mL 1.6537 mL 3.3074 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

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

    Solubility: ≥ 4.25 mg/mL (7.03 mM); Clear solution

    This protocol yields a clear solution of ≥ 4.25 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (42.5 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (4.13 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

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

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 98.53%

COA (253 KB) HNMR (293 KB) RP-HPLC (261 KB) MS (69 KB)

Handling Instructions (2659 KB)
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.6537 mL 8.2686 mL 16.5371 mL 41.3428 mL
5 mM 0.3307 mL 1.6537 mL 3.3074 mL 8.2686 mL
10 mM 0.1654 mL 0.8269 mL 1.6537 mL 4.1343 mL
15 mM 0.1102 mL 0.5512 mL 1.1025 mL 2.7562 mL
20 mM 0.0827 mL 0.4134 mL 0.8269 mL 2.0671 mL
25 mM 0.0661 mL 0.3307 mL 0.6615 mL 1.6537 mL
30 mM 0.0551 mL 0.2756 mL 0.5512 mL 1.3781 mL
40 mM 0.0413 mL 0.2067 mL 0.4134 mL 1.0336 mL
50 mM 0.0331 mL 0.1654 mL 0.3307 mL 0.8269 mL
60 mM 0.0276 mL 0.1378 mL 0.2756 mL 0.6890 mL
80 mM 0.0207 mL 0.1034 mL 0.2067 mL 0.5168 mL
100 mM 0.0165 mL 0.0827 mL 0.1654 mL 0.4134 mL
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T-91825 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

T-91825189345-04-8PPI-0903MT91825T 91825BacterialcephalosporinTAK-599gram-positivegram-negativebacteriaInhibitorinhibitorinhibit

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