N-Acetylcarnosine
Based on 1 Customer Validation
N-Acetylcarnosine, a natural histidine-containing dipeptide, is a source of pharmacological principal L-carnosine. N-Acetylcarnosine is a potent ophthalmic agent in human cataracts.
For research use only. We do not sell to patients.
- Purity: 99.92%
- CAS No.: 56353-15-2
- Formula: C11H16N4O4
- Molecular Weight:268.27
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Storage:
Sealed storage, away from moisture.
Powder -80°C, 2 years , -20°C, 1 year* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
All Endogenous Metabolite Isoforms
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Biological Activity
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Human Endogenous Metabolite |
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 56353-15-2
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Appearance Solid
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Molecular Weight 268.27
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Formula C11H16N4O4
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Color White to off-white
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Synonyms
N-Acetyl-L-carnosine
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Sealed storage, away from moisture
Powder -80°C 2 years -20°C 1 year * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Solvent & Solubility
H2O : 250 mg/mL (931.90 mM; Need ultrasonic)
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). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* 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.
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). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* 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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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.
Add each solvent one by one: PBS
Solubility: 100 mg/mL (372.76 mM); Clear solution; Need ultrasonic
Purity & Documentation
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Data Sheet (273 KB)
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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)
- Italian - IT (396 KB)
- Korean - KR (396 KB)
- Portuguese - PT (396 KB)
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Handling Instructions (2659 KB)
References
[1]. Babizhayev MA, et al. N-Acetylcarnosine, a natural histidine-containing dipeptide, as a potent ophthalmic drug in treatment of human cataracts. Peptides. 2001 Jun;22(6):979-94. [Content Brief]
[2]. Dubois VD, et al. N-acetylcarnosine (NAC) drops for age-related cataract. Cochrane Database Syst Rev. 2017 Feb 28;2:CD009493. [Content Brief]
[3]. Babizhayev MA, et al. Potentiation of intraocular absorption and drug metabolism of N-acetylcarnosine lubricant eye drops: drug interaction with sight threatening lipid peroxides in the treatment for age-related eye diseases. Drug Metabol Drug Interact. 2009;24(2-4):275-323. [Content Brief]
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). 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 |
|---|---|---|---|---|---|
| H2O | 1 mM | 3.7276 mL | 18.6379 mL | 37.2759 mL | 93.1897 mL |
| 5 mM | 0.7455 mL | 3.7276 mL | 7.4552 mL | 18.6379 mL | |
| 10 mM | 0.3728 mL | 1.8638 mL | 3.7276 mL | 9.3190 mL | |
| 15 mM | 0.2485 mL | 1.2425 mL | 2.4851 mL | 6.2126 mL | |
| 20 mM | 0.1864 mL | 0.9319 mL | 1.8638 mL | 4.6595 mL | |
| 25 mM | 0.1491 mL | 0.7455 mL | 1.4910 mL | 3.7276 mL | |
| 30 mM | 0.1243 mL | 0.6213 mL | 1.2425 mL | 3.1063 mL | |
| 40 mM | 0.0932 mL | 0.4659 mL | 0.9319 mL | 2.3297 mL | |
| 50 mM | 0.0746 mL | 0.3728 mL | 0.7455 mL | 1.8638 mL | |
| 60 mM | 0.0621 mL | 0.3106 mL | 0.6213 mL | 1.5532 mL | |
| 80 mM | 0.0466 mL | 0.2330 mL | 0.4659 mL | 1.1649 mL | |
| 100 mM | 0.0373 mL | 0.1864 mL | 0.3728 mL | 0.9319 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.