Msr-Ratio
Based on 1 Customer Validation
Msr-Ratio (Msr-green) is a ratiometric fluorescent probe of methionine sulfoxide reductase (λex=375 nm, λem=550 nm). Msr-Ratio is used for monitoring the enzyme activity in vitro and in live cells.
For research use only. We do not sell to patients.
- Purity: 99.13%
- CAS No.: 2290635-22-0
- Formula: C18H14O3S
- Molecular Weight:310.37
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Storage:
-20°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
Msr-Ratio is converted to its corresponding sulfide form by methionine sulfoxide reductase. Msr-Ratio displays favorable properties such as a nearly 400-fold fluorescence change, fast response rate (<30 min), large Stokes shift (120 nm), and green emission (550 nm)[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
550
375
Chemical Information
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CAS No. 2290635-22-0
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Appearance Solid
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Molecular Weight 310.37
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Formula C18H14O3S
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Color White to off-white
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SMILES
CS(C1=CC=C(/C=C/C(OC2=C3C=CC=C2)=CC3=O)C=C1)=O
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Synonyms
Msr-green
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
-20°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Solvent & Solubility
DMSO : 100 mg/mL (322.20 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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 (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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 (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (270 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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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 (protect from 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 | 3.2220 mL | 16.1098 mL | 32.2196 mL | 80.5490 mL |
| 5 mM | 0.6444 mL | 3.2220 mL | 6.4439 mL | 16.1098 mL | |
| 10 mM | 0.3222 mL | 1.6110 mL | 3.2220 mL | 8.0549 mL | |
| 15 mM | 0.2148 mL | 1.0740 mL | 2.1480 mL | 5.3699 mL | |
| 20 mM | 0.1611 mL | 0.8055 mL | 1.6110 mL | 4.0275 mL | |
| 25 mM | 0.1289 mL | 0.6444 mL | 1.2888 mL | 3.2220 mL | |
| 30 mM | 0.1074 mL | 0.5370 mL | 1.0740 mL | 2.6850 mL | |
| 40 mM | 0.0805 mL | 0.4027 mL | 0.8055 mL | 2.0137 mL | |
| 50 mM | 0.0644 mL | 0.3222 mL | 0.6444 mL | 1.6110 mL | |
| 60 mM | 0.0537 mL | 0.2685 mL | 0.5370 mL | 1.3425 mL | |
| 80 mM | 0.0403 mL | 0.2014 mL | 0.4027 mL | 1.0069 mL | |
| 100 mM | 0.0322 mL | 0.1611 mL | 0.3222 mL | 0.8055 mL |
Msr-Ratio Related Classifications
HY-D1257 Related Classifications
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