m-Cresol purple
Based on 1 Customer Validation
m-Cresol purple is a pH indicator dye with large cross section and halochromic property in neutral pH range.
For research use only. We do not sell to patients.
- CAS No.: 2303-01-7
- Formula: C21H18O5S
- Molecular Weight:382.43
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Storage:
4°C, protect from light, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
Biological Activity
Chemical Information
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CAS No. 2303-01-7
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Appearance Solid
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Molecular Weight 382.43
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Formula C21H18O5S
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Color Green to dark green
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SMILES
O=S1(OC(C2=CC=C(C=C2C)O)(C3=C1C=CC=C3)C4=CC=C(C=C4C)O)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, protect from light, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
Solvent & Solubility
DMSO : 20 mg/mL (52.30 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, stored under nitrogen). 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, stored under nitrogen). 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 (277 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 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, stored under nitrogen). 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 | 2.6149 mL | 13.0743 mL | 26.1486 mL | 65.3714 mL |
| 5 mM | 0.5230 mL | 2.6149 mL | 5.2297 mL | 13.0743 mL | |
| 10 mM | 0.2615 mL | 1.3074 mL | 2.6149 mL | 6.5371 mL | |
| 15 mM | 0.1743 mL | 0.8716 mL | 1.7432 mL | 4.3581 mL | |
| 20 mM | 0.1307 mL | 0.6537 mL | 1.3074 mL | 3.2686 mL | |
| 25 mM | 0.1046 mL | 0.5230 mL | 1.0459 mL | 2.6149 mL | |
| 30 mM | 0.0872 mL | 0.4358 mL | 0.8716 mL | 2.1790 mL | |
| 40 mM | 0.0654 mL | 0.3269 mL | 0.6537 mL | 1.6343 mL | |
| 50 mM | 0.0523 mL | 0.2615 mL | 0.5230 mL | 1.3074 mL |