Cat. No.: HY-113061

Pseudouridine

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Pseudouridine is an isomer of uridine and the most abundant modified nucleoside in non-coding RNA. It fine-tunes and stabilizes regional structures in rRNA and tRNA, maintaining their functions in mRNA decoding, ribosome assembly, processing, and translation. Pseudouridine-modified tRNA fragments can inhibit aberrant protein synthesis and hold promise for research on myelodysplastic syndrome (MDS)-related leukemia..

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Pureté: 99.92%
CAS No.: 1445-07-4
Formule: C₉H₁₂N₂O₆
Masse moléculaire:244.20

Stockage:

Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year

Pseudouridine Chemical Structure

CAS No.: 1445-07-4

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- Description
- IC₅₀ & Target
- In Vitro
Chemical Information
Publications (1)
Solvant et solubilité
- In Vitro
- In Vivo
Pureté et documentation
Références
Help & FAQs
Classifications
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Description

IC₅₀ & Target

Human Endogenous Metabolite

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In Vitro

Pseudouridine is one of the most abundant post-transcriptional modifications. It is formed through the isomerization of uracil, where the base rotates 180° and forms a new carbon-carbon bond with the sugar. This modification gives pseudouridine an additional hydrogen bond donor at its non-Watson-Crick edge, endowing it with chemical properties distinct from other bases^[3].
Pseudouridine, known as the fifth nucleotide, is found in all three phylogenetic domains of life. It connects the C1 of ribose and C5 of uracil, rather than the usual C1-N1 bond. Pseudouridine is generated by standalone enzymes such as pseudouridine synthases or Pus enzymes in various types of RNA, including tRNA, rRNA, small nuclear RNA (snRNA), and also in coding RNA^[4].
Pseudouridine modification stabilizes RNA, improves base stacking, and enhances structural stability by forming additional hydrogen bonds. Conserved pseudouridine modifications are found in the TΨC arm of tRNA and at several positions in rRNA, especially near the peptidyl transferase center, where they participate in the translation process^[4].

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

Chemical Information

CAS No. 1445-07-4
Appearance Solid
Masse moléculaire 244.20
Formule C₉H₁₂N₂O₆
Color White to off-white
SMILES

O[C@H]1[C@@H](O)[C@H](C(C(N2)=O)=CNC2=O)O[C@@H]1CO
Structure Classification
- Others
Initial Source
- Endogenous metabolite
- Human Gut Microbiota Metabolites
Livraison

Room temperature in continental US; may vary elsewhere.

Stockage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	2 years
	-20°C	1 year

Publications (1)

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Analytica

2025 Oct 3;6(4):39.

Solvant et solubilité

In Vitro:

DMSO : 125 mg/mL (511.88 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H₂O : 25 mg/mL (102.38 mM; ultrasonic and warming and heat to 60°C)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

4.0950 mL

20.4750 mL

40.9500 mL

5 mM

0.8190 mL

4.0950 mL

8.1900 mL

10 mM

0.4095 mL

2.0475 mL

4.0950 mL

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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

Calculateur de molarité

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

Mass Mass

Concentration Concentration

Volume Volume

Molecular Weight Molecular Weight

Calculateur de dilution

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

Concentration _(start) Concentration _(start)

Volume _(start) Volume _(start)

Concentration _(final) Concentration _(final)

Volume _(final) Volume _(final)

In Vivo:

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

Stock Solution Working Solution

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 40% PEG300 5% Tween-80 45% Saline

Solubility: ≥ 2.08 mg/mL (8.52 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.

Protocol 2

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

Solubility: ≥ 2.08 mg/mL (8.52 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

Protocol 3

Add each solvent one by one: 10% DMSO 90% Corn Oil

Solubility: ≥ 2.08 mg/mL (8.52 mM); Clear solution

This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 mg/mL) to 900 μL Corn oil, and mix evenly.

Working Solution

For the following dissolution methods, please prepare the working solution directly:

It is recommended to prepare fresh solutions and use them promptly within a short period of time.

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: PBS

Solubility: 25 mg/mL (102.38 mM); Clear solution; Need ultrasonic

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Working solution concentration: 0.22 mg/mL

This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.

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) .

Pureté et documentation

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Pureté: 99.98%

Assay: 99.98%

ee.: 99.98%

Fiche technique (278 KB)
SDS (396 KB)
- English - EN (396 KB)
- Français - FR (396 KB)
- Deutsch - DE (396 KB)
- Norwegian - NO (396 KB)
- Español - ES (396 KB)
- Swedish - SV (396 KB)
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- Portuguese - PT (396 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Instruction de manipulation (2659 KB)

Références

[1]. Carlile TM, et al. Pseudouridine profiling reveals regulated mRNA pseudouridylation in yeast and human cells. Nature. 2014 Nov 6;515(7525):143-6. [Content Brief]

[2]. M Charette, et al. Pseudouridine in RNA: what, where, how, and why. IUBMB Life. 2000 May;49(5):341-51. [Content Brief]

[3]. Junhui Ge, et al. RNA pseudouridylation: new insights into an old modification. Trends Biochem Sci. 2013 Apr;38(4):210-8. [Content Brief]

[4]. Anne C Rintala-Dempsey, et al. Eukaryotic stand-alone pseudouridine synthases - RNA modifying enzymes and emerging regulators of gene expression? RNA Biol. 2017 Sep 2;14(9):1185-1196. [Content Brief]

[5]. Malcovati L, et al. Pseudouridine-modified tRNA fragments repress aberrant protein synthesis and predict leukaemic progression in myelodysplastic syndrome. Nat Cell Biol. 2022 Mar;24(3):299-306. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
H₂O / DMSO	1 mM	4.0950 mL	20.4750 mL	40.9500 mL	102.3751 mL
	5 mM	0.8190 mL	4.0950 mL	8.1900 mL	20.4750 mL
	10 mM	0.4095 mL	2.0475 mL	4.0950 mL	10.2375 mL
	15 mM	0.2730 mL	1.3650 mL	2.7300 mL	6.8250 mL
	20 mM	0.2048 mL	1.0238 mL	2.0475 mL	5.1188 mL
	25 mM	0.1638 mL	0.8190 mL	1.6380 mL	4.0950 mL
	30 mM	0.1365 mL	0.6825 mL	1.3650 mL	3.4125 mL
	40 mM	0.1024 mL	0.5119 mL	1.0238 mL	2.5594 mL
	50 mM	0.0819 mL	0.4095 mL	0.8190 mL	2.0475 mL
	60 mM	0.0683 mL	0.3413 mL	0.6825 mL	1.7063 mL
	80 mM	0.0512 mL	0.2559 mL	0.5119 mL	1.2797 mL
	100 mM	0.0410 mL	0.2048 mL	0.4095 mL	1.0238 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

Keywords

Pseudouridine

1 Cited Publications

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Pseudouridine

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Activité biologique

Chemical Information

Publications (1)

Solvant et solubilité

Pureté et documentation

Références

Help & FAQs

Complete Stock Solution Preparation Table

Pseudouridine Related Classifications

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