4,5-Diaminofluorescein
- CAS No.
- 205391-01-1
- Chemical Name:
- 4,5-Diaminofluorescein
- Synonyms
- DAF-2;5-Diaminofluorescein;5,6-DIAMINOFLUORESCEIN;4,5-Diaminofluorescein;DAF-2;4;5-DIAMINOFLUORESCEIN;4,5-Diaminofluorescein, DAF-2;DAF-2, Fluorescent nitric oxide probe;4,5-Diaminofluorescein-Isopropanol adduct (1:2);2-(3,6-DIHYDROXY-9H-XANTHEN-9-YL)-4,5-DIAMINO-BENZOIC ACID;5,6-Diamino-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
- CBNumber:
- CB3354894
- Molecular Formula:
- C20H14N2O5
- Molecular Weight:
- 362.34
- MDL Number:
- MFCD05865100
- MOL File:
- 205391-01-1.mol
- MSDS File:
- SDS
| Boiling point | 760.832±60.00 °C(Press: 760.00 Torr)(predicted) |
|---|---|
| Density | 1.696±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted) |
| storage temp. | 2-8°C |
| form | powder |
| pka | 9.319±0.20(predicted) |
| color | Brown to black |
| InChI | 1S/C20H14N2O5/c21-15-7-11-14(8-16(15)22)20(27-19(11)25)12-3-1-9(23)5-17(12)26-18-6-10(24)2-4-13(18)20/h1-8,23-24H,21-22H2 |
| InChIKey | LTYUPYUWXRTNFQ-UHFFFAOYSA-N |
| SMILES | Nc1cc2c(cc1N)C(=O)OC32c4c(cc(cc4)O)Oc5c3ccc(c5)O |
| UNSPSC Code | 41116100 |
| NACRES | NA.32 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302 | |||||||||
| Precautionary statements | P264-P270-P301+P312-P330-P501 | |||||||||
| Hazard Codes | Xn,Xi | |||||||||
| Risk Statements | 22-36/37/38 | |||||||||
| Safety Statements | 23-26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 8-10-23 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| NFPA 704 |
|
4,5-Diaminofluorescein price More Price(24)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 251500-M | DAF-2-CAS205391-01-1-Calbiochem Ahighlysensitiveandspecificfluorescentindicatorforthedirectdetectiono | 205391-01-1 | 1mg | $653 | 2026-04-30 | Buy |
| Sigma-Aldrich | 251500-M | DAF-2 - CAS 205391-01-1 - Calbiochem A highly sensitive and specific fluorescent indicator for the direct detection of nitric oxide (NO) in vitro. | 205391-01-1 | 251500-1MG | $591 | 2024-03-01 | Buy |
| Cayman Chemical | 85160 | DAF-2 ≥98% | 205391-01-1 | 100μg | $68 | 2026-04-30 | Buy |
| Cayman Chemical | 85160 | DAF-2 ≥98% | 205391-01-1 | 250μg | $154 | 2026-04-30 | Buy |
| Cayman Chemical | 85160 | DAF-2 ≥98% | 205391-01-1 | 500μg | $291 | 2026-04-30 | Buy |
4,5-Diaminofluorescein Chemical Properties, Uses, Production
Description
DAF-
Uses
DAF-2 is highly sensitive reagent for NO detection and determination of nitric oxide synthase activity.
Uses
Fluorescent detector of nitric oxide in culture medium, tissue sections and biopsy cells.
References
[1] H KOJIMA. Development of a fluorescent indicator for nitric oxide based on the fluorescein chromophore.[J]. Chemical & pharmaceutical bulletin, 1998, 46 2: 373-375. DOI: 10.1248/cpb.46.373
[2] NAOKI NAKATSUBO. Direct evidence of nitric oxide production from bovine aortic endothelial cells using new fluorescence indicators: diaminofluoresceins[J]. FEBS Letters, 1998, 427 2: 263-266. DOI: 10.1016/s0014-5793(98)00440-2
4,5-Diaminofluorescein Preparation Products And Raw materials
Raw materials
Preparation Products
4,5-Diaminofluorescein Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai Aladdin Bio-Chem Technology Co.,LTD | 400-6206333 13167063860 | anhua.mao@aladdin-e.com | China | 29985 | 65 |
| Bide Pharmatech Ltd. | 400-164-7117 18317119277 | product02@bidepharm.com | China | 40000 | 60 |
| Shanghai Macklin Biochemical Co.,Ltd. | 15221275939 15221275939 | shenlinxing@macklin.cn | China | 15775 | 55 |
| Tianjin Being Technology Co., Ltd. | 18622939839 | tjby921@163.com | China | 640 | 55 |
| Shanghai EFE Biological Technology Co., Ltd. | 021-65675885 18964387627 | info@efebio.com | China | 9799 | 58 |
| Shanghai YuanYe Biotechnology Co., Ltd. | 15026964105 | 2881489226@qq.com | China | 89667 | 60 |
| Tianjin Kailiqi Biotechnology Co., Ltd. | 15076683720 | klq@cw-bio.com | China | 9783 | 55 |
| Chengdu Huachun Technology Co., Ltd | 400-1166-196 15982826727 | cdhxsj@163.com | China | 14571 | 60 |
| Shanghai Zhen Li Biological Technology Co., Ltd | 021-16621358918; 18516310516;16621358918;13045646768 | zhenlipharma888@163.com | China | 19060 | 58 |
| Bejing Famous Pharmaceutical Technology Co., Ltd. | 010-80339217; 13331045123 | 2559355526@qq.com | China | 14180 | 58 |






