503O8,12
Instructions for Use
Product information
503O8,12 is an ionizable lipidoid synthesized via Michael addition, combining a hydrophilic amine headgroup ("503" series) with two hydrophobic branched acrylate tails (C8 and C12 chains, likely with unsaturated bonds). Its design emphasizes organ-specific delivery, exhibiting spleen-tropic targeting in vivo.
| CAS No. | Not available |
| Chemical Name | 503O8,12 |
| Formula | C101H200N4O8 |
| M.Wt | 1,598.69 |
| Purity | ELSD-HPLC>95% |
| Storage | Original product: up to 1 year under the storage conditions stated on the vial, kept tightly sealed. Stock solutions: aliquots at -20°C, generally up to one month. |
| Shipping condition | Ships from Shanghai. Pure lipid is stable during ice-pack transport. |
Formulation & study context
Literature information refers to the cited study and its particular formulation. Administration routes are research context, not clinical instructions or a guarantee of performance.
A complete product-specific formulation has not been verified. No standard ratio is substituted.
| N/P ratio | Not reported in the verified record |
| Cargo | Not available in the verified record |
| Administration route | Not available in the verified record |
| Animal model | Not available in the verified record |
| Formulation process | Not available in the verified record |
N/P is the molar ratio of specified lipid nitrogen groups to nucleic-acid phosphate groups. A lipid:cargo mass ratio is a different quantity and must not be used as N/P.
Stock-solution preparation table
Calculated from the product-page molecular weight: 1598.69 g/mol. Volumes are final solution volumes.
| Lipid mass | 1 mM | 5 mM | 10 mM |
|---|---|---|---|
| 10 mg | 6.255 mL | 1.251 mL | 0.626 mL |
| 25 mg | 15.638 mL | 3.128 mL | 1.564 mL |
| 50 mg | 31.276 mL | 6.255 mL | 3.128 mL |
| 100 mg | 62.551 mL | 12.510 mL | 6.255 mL |
| 250 mg | 156.378 mL | 31.276 mL | 15.638 mL |
Volume (mL) = mass (mg) × 1000 / [MW (g/mol) × concentration (mM)]. These are mathematical conversions, not measured solubility or validated solvent recommendations. Confirm solvent compatibility and the molecular weight of the exact material before use.
Open editable solution calculators →Handling & storage
Provided that storage conditions are as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 1 year.
Wherever possible, prepare and use solutions on the same day. If stock solutions must be prepared in advance, store them as aliquots in tightly sealed vials at -20°C. Generally, these will be usable for up to one month.
Before use, and prior to opening the vial, allow the product to equilibrate to room temperature for at least 1 hour.
References
Branched-Tail Lipid Nanoparticles for Intravenous mRNA delivery to Lung Immune, Endothelial, and Alveolar Cells in Mice- Mariah L. Arral, and Kathryn A. Whitehead-Science Advane Adv Healthc Mater . 2024 Sep;13(22):e2400225