Products Description
The chemical substance with CAS number 3326-32-7 is called Fluorescein isothiocyanate isomer I, or FITC for short. It is an important organic fluorescent dye with a molecular formula of C21H11NO5S and a molecular weight of 389.38. It appears as a yellow or white powder.
The substance is slightly soluble in DMSO, ethanol, methanol, DMF and acetone, insoluble in water, but emits strong green fluorescence in alkaline aqueous solution. After adding acid, a precipitate is precipitated and the fluorescence disappears.
Basic Info
| CAS | 3326-32-7 |
| EINECS | 222-042-0 |
| Chemical formula | C21H11NO5S |
| Molecular weight | 389.38 |
| Density | 1.3423 (rough estimate) |
| Melting point | >360 °C (lit.) |
| Boiling point | 708.6±60.0 °C (Predicted) |
| Water solubility | practically insoluble |
| Refractive index | 1.5060 (estimate) |
| Acidity coefficient | 2.2, 4.4, 6.7 (at 25℃) |
| Storage conditions | 2-8°C |
| Stability | Stable, but sensitive to humidity. Incompatible with strong oxidants, strong bases, amines, acids. |
| Appearance | powder; Color White |
Uses
- Cell labeling: Fluorescein isothiocyanate isomer I can be used to label cells and tissues, helping researchers observe cell behavior and interactions. Labeled cells can be clearly seen by fluorescence microscopy.
- Drug delivery: It is often used as a tracer to study the distribution and absorption of drugs in the body, which helps to evaluate the bioavailability and efficacy of drugs.
- In vivo imaging: In in vivo imaging technology, it is used to track biological processes in living organisms, such as studying the growth and metastasis of tumor cells.
- Biosensors: FITC can be used to develop biosensors to detect the presence of biomarkers (such as proteins, DNA, etc.) to help diagnose diseases at an early stage.
Packaging & Delivery
- Packaging: 25kg fiber drum with PE inner liner or customized packaging available.
- Delivery Time: 3-7 days after payment confirmation.
- Shipping Methods: By sea, air, or courier (FedEx, DHL, UPS, TNT).
Company Profile
Gneebio, located in Henan Province, China, is part of the GNEE Group, with 22 years of experience in foreign trade, specializing in providing high-quality chemical raw materials and professional trading services to customers around the world. We supply basic chemical raw materials, fine chemicals and specialty chemicals for a wide range of industries.We are ISO9001 certified and have been recognized by a number of authoritative qualifications at home and abroad, making us a trusted partner of our customers.
FAQ
1. How do I get a price?
-We usually quote within 24 hours of receiving your inquiry (excluding weekends and holidays).
-If you need a price urgently, please email or contact us by other means so that we can quote for you.
2.What is your delivery time?
-It depends on the number of orders and the season in which you place your order.
-Usually, orders can be dispatched within 3-7 days for small orders and 15 days for large orders.
3. What is the shipping method?
-You can ship by sea, air, or express (EMS, UPS, DHL, TNT, FEDEX, etc.).
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