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ChemicalBook >> CAS DataBase List >> 4-Nitrofluorescein

4-Nitrofluorescein

4-Nitrofluorescein price.
  • $10 - $2158.7
  • Product name: 4-Nitrofluorescein
  • CAS: 3326-35-0
  • MF: C20H11NO7
  • MW: 377.3
  • EINECS:
  • MDL Number:MFCD00135108
  • Synonyms:4-NITROFLUOROESCEIN;5-NITRO-3',6'-DIHYDROXYSPIRO[ISOBENZOFURAN-1(3H),9'-(9H)XANTHEN]-3-ONE;4-NITROFLUORESCEIN;3',6'-Dihydroxy-5-nitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one;5-Nitro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one;3',6'-dihydroxy-6-nitro-spiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxy-6-nitrospiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxy-6-nitro-spiro[isobenzofuran-3,9'-xanthene]-1-one
39 prices
Selected condition:
Brand
  • aablocks
  • ACHEMBLOCK
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • Arctom
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Matrix Scientific
  • TCI Chemical
  • TRC
Package
  • 50mg
  • 250mg
  • 1g
  • 5g
  • 10G
  • 25G
  • Manufactureraablocks
  • Product numberAA00C75U
  • Product description3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one ≥98%
  • Packaging50mg
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C75U
  • Product description3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one ≥98%
  • Packaging250mg
  • Price$23
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C75U
  • Product description3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one 95%
  • Packaging1g
  • Price$48
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00C75U
  • Product description3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one ≥98%
  • Packaging5g
  • Price$151
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW167726
  • Product description4-Nitrofluorescein 98%
  • Packaging5G
  • Price$125
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW167726
  • Product description4-Nitrofluorescein 98%
  • Packaging25G
  • Price$500
  • Updated2026-05-27
  • Buy
  • ManufacturerAHH
  • Product numberMT-19833
  • Product description4-Nitrofluorescein 98%
  • Packaging1g
  • Price$480
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMT-19833
  • Product description4-Nitrofluorescein 97%
  • Packaging1g
  • Price$480
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-19833
  • Product description4-Nitrofluorescein 97%
  • Packaging1g
  • Price$480
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product number6639AL
  • Product description4-Nitrofluorescein
  • Packaging1g
  • Price$319
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0012147
  • Product description4-NITROFLUORESCEIN 95.00%
  • Packaging1G
  • Price$739.78
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0012147
  • Product description4-NITROFLUORESCEIN 95.00%
  • Packaging10G
  • Price$2158.7
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberCS-W009755
  • Product description5-Nitrofluorescein >=95%
  • Packaging5g
  • Price$108
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberCS-W009755
  • Product description5-Nitrofluorescein >=95%
  • Packaging5g
  • Price$108
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-W009755
  • Product description5-Nitrofluorescein >=95%
  • Packaging1g
  • Price$42
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberCS-W009755
  • Product description5-Nitrofluorescein >=95%
  • Packaging1g
  • Price$42
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00C75U 3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one ≥98% 50mg $10 2026-05-28 Buy
aablocks AA00C75U 3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one ≥98% 250mg $23 2026-05-28 Buy
aablocks AA00C75U 3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one 95% 1g $48 2026-05-28 Buy
aablocks AA00C75U 3',6'-Dihydroxy-5-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one ≥98% 5g $151 2026-05-28 Buy
ACHEMBLOCK W167726 4-Nitrofluorescein 98% 5G $125 2026-05-27 Buy
ACHEMBLOCK W167726 4-Nitrofluorescein 98% 25G $500 2026-05-27 Buy
AHH MT-19833 4-Nitrofluorescein 98% 1g $480 2021-12-16 Buy
AHH MT-19833 4-Nitrofluorescein 97% 1g $480 2026-05-25 Buy
AHH MT-19833 4-Nitrofluorescein 97% 1g $480 2026-05-26 Buy
AK Scientific 6639AL 4-Nitrofluorescein 1g $319 2021-12-16 Buy
American Custom Chemicals Corporation CHM0012147 4-NITROFLUORESCEIN 95.00% 1G $739.78 2021-12-16 Buy
American Custom Chemicals Corporation CHM0012147 4-NITROFLUORESCEIN 95.00% 10G $2158.7 2021-12-16 Buy
Arctom CS-W009755 5-Nitrofluorescein >=95% 5g $108 2026-05-25 Buy
Arctom CS-W009755 5-Nitrofluorescein >=95% 5g $108 2026-05-26 Buy
Arctom CS-W009755 5-Nitrofluorescein >=95% 1g $42 2026-05-25 Buy
Arctom CS-W009755 5-Nitrofluorescein >=95% 1g $42 2026-05-26 Buy

Properties

Melting point :>300°C
Boiling point :692.0±55.0 °C(Predicted)
Density :1.72±0.1 g/cm3(Predicted)
storage temp. :2-8°C
solubility :almost transparency in NaOH100g/L
form :powder to crystal
pka :9.29±0.20(Predicted)
color :Light yellow to Brown
Stability :Light and Moisture Sensitive
InChI :InChI=1S/C20H11NO7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)20(15)14-4-1-10(21(25)26)7-13(14)19(24)28-20/h1-9,22-23H
InChIKey :UACQOMKZFGNRBL-UHFFFAOYSA-N
SMILES :C12(C3=C(C=C(O)C=C3)OC3=C1C=CC(O)=C3)C1=C(C=C([N+]([O-])=O)C=C1)C(=O)O2
EPA Substance Registry System :Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-5-nitro- (3326-35-0)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Nitrofluorescein, Isomer 1 is a fluorescent labeling reagent for proteins which is used in the fluorescent antibody technique for rapid identification of pathogens.

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