fluorescein
A fluorophore compound (a fluorescent chemical compound ), which is used as a fluorescent tracer . This synthetic organic compound is used in microscopy, dye laser and forensics. Also used as color additive. Reference standards of Fluorescein API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[pname] => Thiourea, N-[2-[2-(2-azidoethoxy)ethoxy]ethyl]-N′-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)
[catalogue_number] => PA 06 0321012
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[weight] => 563.59
[form] => C27H25N5O7S
[cas] => 1146195-72-3
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Thiourea, N-[2-[2-(2-azidoethoxy)ethoxy]ethyl]-N′-(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)
Catalogue No.:PA 06 0321012
Molecular Formula : C27H25N5O7S
Molecular Weight : 563.59
stdClass Object
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[pname] => 1-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11,14-tetraoxa-2-azaheptadecan-17-oic acid
[catalogue_number] => PA 06 0321013
[category_ids] => ,70,78,82,171,
[chemical_name] =>
[weight] => 654.69
[form] => C32H34N2O11S
[cas] => 1807518-76-8
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1-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11,14-tetraoxa-2-azaheptadecan-17-oic acid
Catalogue No.:PA 06 0321013
Molecular Formula : C32H34N2O11S
Molecular Weight : 654.69
stdClass Object
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[pname] => tert-butyl (1-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11-trioxa-2-azatridecan-13-yl)carbamate
[catalogue_number] => PA 06 0321014
[category_ids] => ,70,78,82,171,
[chemical_name] =>
[weight] => 681.76
[form] => C34H39N3O10S
[cas] => 1807534-77-5
[pslug] => 1807534-77-5-tert-butyl-1-3-6-dihydroxy-3-oxo-3h-spiro-isobenzofuran-1-9-xanthen-5-yl-amino-1-thioxo-5-8-11-trioxa-2-azatridecan-13-yl-carbamate-pa060321014
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tert-butyl (1-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11-trioxa-2-azatridecan-13-yl)carbamate
Catalogue No.:PA 06 0321014
Molecular Formula : C34H39N3O10S
Molecular Weight : 681.76
stdClass Object
(
[pname] => 1-(2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethyl)-3-(3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)thiourea
[catalogue_number] => PA 27 0031467
[category_ids] => ,70,78,82,171,
[chemical_name] =>
[weight] => 581.64
[form] => C29H31N3O8S
[cas] => 1807539-04-3
[pslug] => 1807539-04-3-1-2-2-2-2-aminoethoxy-ethoxy-ethoxy-ethyl-3-3-6-dihydroxy-3-oxo-3h-spiro-isobenzofuran-1-9-xanthen-5-yl-thiourea-pa270031467
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1-(2-(2-(2-(2-aminoethoxy)ethoxy)ethoxy)ethyl)-3-(3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)thiourea
Catalogue No.:PA 27 0031467
Molecular Formula : C29H31N3O8S
Molecular Weight : 581.64
stdClass Object
(
[pname] => Fluorescein-PEG6-NHS ester
[catalogue_number] => PA 06 0321015
[category_ids] => ,70,78,82,171,
[chemical_name] =>
[weight] => 839.87
[form] => C40H45N3O15S
[cas] => 1818294-35-7
[pslug] => 1818294-35-7-fluorescein-peg6-nhs-ester-pa060321015
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Fluorescein-PEG6-NHS ester
Catalogue No.:PA 06 0321015
Molecular Formula : C40H45N3O15S
Molecular Weight : 839.87
stdClass Object
(
[pname] => 1-((3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11,14,17,20-hexaoxa-2-azatricosan-23-oic acid
[catalogue_number] => PA 06 0321017
[category_ids] => ,75,76,78,70,82,171,
[chemical_name] =>
[weight] => 742.79
[form] => C36H42N2O13S
[cas] => 2055014-69-0
[pslug] => 2055014-69-0-1-3-6-dihydroxy-3-oxo-3h-spiro-isobenzofuran-1-9-xanthen-5-yl-amino-1-thioxo-5-8-11-14-17-20-hexaoxa-2-azatricosan-23-oic-acid-pa060321017
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1-((3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)amino)-1-thioxo-5,8,11,14,17,20-hexaoxa-2-azatricosan-23-oic acid
Catalogue No.:PA 06 0321017
Molecular Formula : C36H42N2O13S
Molecular Weight : 742.79
stdClass Object
(
[pname] => Fluorescein-PEG6-bis-NHS ester
[catalogue_number] => PA 06 0321018
[category_ids] => ,75,76,78,70,82,171,
[chemical_name] =>
[weight] => 938.96
[form] => C44H50N4O17S
[cas] => 2055105-59-2
[pslug] => 2055105-59-2-fluorescein-peg6-bis-nhs-ester-pa060321018
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Fluorescein-PEG6-bis-NHS ester
Catalogue No.:PA 06 0321018
Molecular Formula : C44H50N4O17S
Molecular Weight : 938.96
stdClass Object
(
[pname] => 1-Azido-9-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)carbamothioyl)-3,6,12,15,18-pentaoxa-9-azahenicosan-21-oic acid
[catalogue_number] => PA 06 0321019
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[weight] => 767.81
[form] => C36H41N5O12S
[cas] => 2086689-04-3
[pslug] => 2086689-04-3-1-azido-9-3-6-dihydroxy-3-oxo-3h-spiro-isobenzofuran-1-9-xanthen-5-yl-carbamothioyl-3-6-12-15-18-pentaoxa-9-azahenicosan-21-oic-acid-pa060321019
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1-Azido-9-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)carbamothioyl)-3,6,12,15,18-pentaoxa-9-azahenicosan-21-oic acid
Catalogue No.:PA 06 0321019
Molecular Formula : C36H41N5O12S
Molecular Weight : 767.81
stdClass Object
(
[pname] => 1-Azido-12-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)carbamothioyl)-3,6,9,15,18,21-hexaoxa-12-azatetracosan-24-oic acid
[catalogue_number] => PA 06 0321020
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[chemical_name] =>
[weight] => 811.86
[form] => C38H45N5O13S
[cas] => 2100306-50-9
[pslug] => 2100306-50-9-1-azido-12-3-6-dihydroxy-3-oxo-3h-spiro-isobenzofuran-1-9-xanthen-5-yl-carbamothioyl-3-6-9-15-18-21-hexaoxa-12-azatetracosan-24-oic-acid-pa060321020
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1-Azido-12-((3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthen]-5-yl)carbamothioyl)-3,6,9,15,18,21-hexaoxa-12-azatetracosan-24-oic acid
Catalogue No.:PA 06 0321020
Molecular Formula : C38H45N5O13S
Molecular Weight : 811.86
stdClass Object
(
[pname] => N-(Azido-PEG3)-N-Fluorescein-PEG4-acid
[catalogue_number] => PA 06 0321021
[category_ids] => ,75,76,78,70,82,171,
[chemical_name] =>
[weight] => 855.91
[form] => C40H49N5O14S
[cas] => 2100306-72-5
[pslug] => 2100306-72-5-n-azido-peg3-n-fluorescein-peg4-acid-pa060321021
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N-(Azido-PEG3)-N-Fluorescein-PEG4-acid
Catalogue No.:PA 06 0321021
Molecular Formula : C40H49N5O14S
Molecular Weight : 855.91
