CAS No.: 2321-07-5 — Fluorescein (荧光素)

1. Primary Information

English name:	Fluorescein
CAS No.:	2321-07-5
Molecular formula:	C₂₀H₁₂O₅
Molecular weight:	332.3 g/mol
SMILES:	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Structural class:
Other identifiers:	C.I. 45350 Colircusi Fluoresceina D and C Yellow No. 7 D and C Yellow No. 8 Diofluor

2. Suppliers & Pricing

Supplier	Pack size	Purity	Price (CNY)	Storage conditions	Lead time	Notes
Kehua Intelligence	25g	AR	28	RT	in stock	-
Kehua Intelligence	100g	AR	80	RT	in stock	-
Kehua Intelligence	500g	AR	312	RT	in stock	-
Kehua Intelligence	25g	90%(HPLC)	40	RT	in stock	-
Kehua Intelligence	100g	90%(HPLC)	96	RT	in stock	-

3. Structures

3.1 2D structure

3.2 3D structure

-1 -2 -3 37 41 0 0 0 0 0 0 0999 V2000 0.0021 0.9599 1.7135 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.0068 -2.4311 -0.5474 O 0 0 0 0 0 0 0 0 0 0 0 0 0.0091 3.0945 2.6090 O 0 0 0 0 0 0 0 0 0 0 0 0 4.6979 -2.8198 -0.2140 O 0 0 0 0 0 0 0 0 0 0 0 0 -4.7134 -2.7945 -0.2137 O 0 0 0 0 0 0 0 0 0 0 0 0 0.0007 0.3357 0.3902 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0043 1.5319 -0.5063 C 0 0 0 0 0 0 0 0 0 0 0 0 1.2571 -0.5027 0.2617 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.2604 -0.4956 0.2611 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0074 2.6874 0.2541 C 0 0 0 0 0 0 0 0 0 0 0 0 1.1756 -1.8169 -0.2123 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.1858 -1.8105 -0.2124 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0057 2.3307 1.6647 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0050 1.6085 -1.8903 C 0 0 0 0 0 0 0 0 0 0 0 0 2.5258 0.0142 0.5789 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.5263 0.0284 0.5775 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0115 3.9515 -0.3060 C 0 0 0 0 0 0 0 0 0 0 0 0 2.3287 -2.5918 -0.3762 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.3432 -2.5793 -0.3758 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0091 2.8732 -2.4859 C 0 0 0 0 0 0 0 0 0 0 0 0 3.6759 -0.7614 0.4221 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.6806 -0.7411 0.4209 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0124 4.0369 -1.6985 C 0 0 0 0 0 0 0 0 0 0 0 0 3.5773 -2.0638 -0.0574 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5890 -2.0445 -0.0576 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0026 0.7137 -2.5035 H 0 0 0 0 0 0 0 0 0 0 0 0 2.6334 1.0314 0.9469 H 0 0 0 0 0 0 0 0 0 0 0 0 -2.6284 1.0464 0.9449 H 0 0 0 0 0 0 0 0 0 0 0 0 0.0140 4.8472 0.3046 H 0 0 0 0 0 0 0 0 0 0 0 0 2.2445 -3.6098 -0.7496 H 0 0 0 0 0 0 0 0 0 0 0 0 -2.2716 -3.5985 -0.7481 H 0 0 0 0 0 0 0 0 0 0 0 0 0.0097 2.9586 -3.5693 H 0 0 0 0 0 0 0 0 0 0 0 0 4.6456 -0.3400 0.6727 H 0 0 0 0 0 0 0 0 0 0 0 0 -4.6450 -0.3081 0.6729 H 0 0 0 0 0 0 0 0 0 0 0 0 0.0156 5.0109 -2.1802 H 0 0 0 0 0 0 0 0 0 0 0 0 4.4434 -3.6943 -0.5553 H 0 0 0 0 0 0 0 0 0 0 0 0 -5.4846 -2.2660 0.0544 H 0 0 0 0 0 0 0 0 0 0 0 0 1 6 1 0 0 0 0 1 13 1 0 0 0 0 2 11 1 0 0 0 0 2 12 1 0 0 0 0 3 13 2 0 0 0 0 4 24 1 0 0 0 0 4 36 1 0 0 0 0 5 25 1 0 0 0 0 5 37 1 0 0 0 0 6 7 1 0 0 0 0 6 8 1 0 0 0 0 6 9 1 0 0 0 0 7 10 1 0 0 0 0 7 14 2 0 0 0 0 8 11 2 0 0 0 0 8 15 1 0 0 0 0 9 12 2 0 0 0 0 9 16 1 0 0 0 0 10 13 1 0 0 0 0 10 17 2 0 0 0 0 11 18 1 0 0 0 0 12 19 1 0 0 0 0 14 20 1 0 0 0 0 14 26 1 0 0 0 0 15 21 2 0 0 0 0 15 27 1 0 0 0 0 16 22 2 0 0 0 0 16 28 1 0 0 0 0 17 23 1 0 0 0 0 17 29 1 0 0 0 0 18 24 2 0 0 0 0 18 30 1 0 0 0 0 19 25 2 0 0 0 0 19 31 1 0 0 0 0 20 23 2 0 0 0 0 20 32 1 0 0 0 0 21 24 1 0 0 0 0 21 33 1 0 0 0 0 22 25 1 0 0 0 0 22 34 1 0 0 0 0 23 35 1 0 0 0 0

4. International Nomenclature & Identifiers

4.1 IUPAC Name

3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

4.2 InChI

InChI=1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H

1. Primary Information

2. Suppliers & Pricing

3. Structures

3.1 2D structure

3.2 3D structure

4. International Nomenclature & Identifiers

4.1 IUPAC Name

4.2 InChI

4.3 InChIKey

4.4 Canonical SMILES

4.5 Isomeric SMILES

4.6 SDF file

5. Spectroscopic data

5.1 ¹³C nuclear magnetic resonance (¹³C NMR)

5.2 ¹H nuclear magnetic resonance (¹H NMR)

5.3 Mass spectrometry (MS)

5.4 Infrared spectroscopy (IR)

5.5 Ultraviolet/visible spectroscopy (UV/Vis)

1. Primary Information

2. Suppliers & Pricing

3. Structures

3.1 2D structure

3.2 3D structure

4. International Nomenclature & Identifiers

4.1 IUPAC Name

4.2 InChI

4.3 InChIKey

4.4 Canonical SMILES

4.5 Isomeric SMILES

4.6 SDF file

5. Spectroscopic data

5.1 13C nuclear magnetic resonance (13C NMR)

5.2 1H nuclear magnetic resonance (1H NMR)

5.3 Mass spectrometry (MS)

5.4 Infrared spectroscopy (IR)

5.5 Ultraviolet/visible spectroscopy (UV/Vis)

5.1 ¹³C nuclear magnetic resonance (¹³C NMR)

5.2 ¹H nuclear magnetic resonance (¹H NMR)