5(6)-Carboxynaphthofluorescein
Based on 1 Customer Validation
5(6)-Carboxynaphthofluorescein is a pH-dependent fluorophore. 5(6)-Carboxynaphthofluorescein shows good sensitivity in an alkaline pH range and it can be exploited in the construction of fiber-optic pH sensors. 5(6)-Carboxynaphthofluorescein can be used as a fluorescent pH indicator (Ex/Em=593/668 nm).
For research use only. We do not sell to patients.
- Purity: 96.72%
- CAS No.: 128724-35-6
- Formula: C30H20O7
- Molecular Weight:476.44
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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
5(6)-Carboxynaphthofluorescein can be used as a fluorescent pH indicator, it is sensitive in the pH range from 6.6 to 8.6 with a pKa value of 7.6[1].
5(6)-Carboxynaphthofluorescein have fluorescence properties, with excitation wavelength=593 nm, emission spectrum=668 nm[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 128724-35-6
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Appearance Solid
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Molecular Weight 476.44
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Formula C30H20O7
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Color Brown to black
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SMILES
OC1=CC2=CC=C3C4(C(C=CC=C5)=C5C(O4)=O)C6=CC=C(C=C(O)C=C7)C7=C6OC3=C2C=C1.CC(O)=O
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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 : 125 mg/mL (262.36 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 (277 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 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 | 2.0989 mL | 10.4945 mL | 20.9890 mL | 52.4725 mL |
| 5 mM | 0.4198 mL | 2.0989 mL | 4.1978 mL | 10.4945 mL | |
| 10 mM | 0.2099 mL | 1.0495 mL | 2.0989 mL | 5.2473 mL | |
| 15 mM | 0.1399 mL | 0.6996 mL | 1.3993 mL | 3.4982 mL | |
| 20 mM | 0.1049 mL | 0.5247 mL | 1.0495 mL | 2.6236 mL | |
| 25 mM | 0.0840 mL | 0.4198 mL | 0.8396 mL | 2.0989 mL | |
| 30 mM | 0.0700 mL | 0.3498 mL | 0.6996 mL | 1.7491 mL | |
| 40 mM | 0.0525 mL | 0.2624 mL | 0.5247 mL | 1.3118 mL | |
| 50 mM | 0.0420 mL | 0.2099 mL | 0.4198 mL | 1.0495 mL | |
| 60 mM | 0.0350 mL | 0.1749 mL | 0.3498 mL | 0.8745 mL | |
| 80 mM | 0.0262 mL | 0.1312 mL | 0.2624 mL | 0.6559 mL | |
| 100 mM | 0.0210 mL | 0.1049 mL | 0.2099 mL | 0.5247 mL |
5(6)-Carboxynaphthofluorescein Related Classifications
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