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Wuhan Kemi-Works Chemical Co., Ltd

We have been specializing in chemical indicators and dye chemicals for over 30years. Superiority : 1.ISO certificate 2..Powerful R & D team 3.The ability of quantized production,from grams to tons; 4.Various kinds of a

Fluorescein

Cas:2321-07-5

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Fluorescein

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay 98%min ----------------------------------------------------------------------------------------------

High purity Various Specifications Fluorescein CAS:2321-07-5

Cas:2321-07-5

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Good quality Fluorescein CAS 2321-07-5 with competitive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additiv

Good quality Fluorescein CAS 2321-07-5 with competitive price

Cas:2321-07-5

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 2-(6-hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid

Cas:2321-07-5

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory price Cosmetic YELLOW 7 2321-07-5 Manufacturer

Cas:2321-07-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Fluorescein

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Leader Biochemical Group

About Product Details

China Biggest factory Manufacturer Supply High Quality Fluorescein CAS 2321-07-5

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 5.0

Type:Lab/Research institutions

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc. We are specialized in chemical synthesis, process development of

Fluorescein Manufacturer

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Fluorescein Basic information Product Name: Fluorescein Synonyms: 11712yellow;2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoicaci;3,6-dihydroxyspiro(xanthene-9,3’-

TIANFU-CHEM Fluorescein 2321-07-5

Cas:2321-07-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Fluorescein CAS:2321-07-5

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Manufacturer supply CAS 2321-07-5 with best quality

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Fluorescein Basic information Product Name: Fluorescein Synonyms: FLUORESCEIN, FREE ACIDFLUORESCEIN, FREE ACIDFLUORESCEIN, FREE ACID;Diresorcinolphthalein;Tetraoxyphthalophenone anhydride;SOLVENT YELLOW 94;S NO 880;RESORCINOL PHTHALEIN;FLUORES

Fluorescein

Cas:2321-07-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-

Cas:2321-07-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

A manufactured organic compound and dye Fluorescein CAS:2321-07-5

Cas:2321-07-5

Min.Order:1 Kilogram

FOB Price: $34.0 / 50.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Fluorescein CAS: 2321-07-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates

Fluorescein CAS: 2321-07-5

Cas:2321-07-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Fluorescein

Cas:2321-07-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:2321-07-5

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Lonwin Industry group limited as a professional manufactor & exporter of chemical materials ,we totally haver more than 270 stuffs, we have been on this line for more than 9 years. Our chemical materials are exported to lot of countries

Low price with good quality Fluorescein

Cas:2321-07-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Fluorescein

Cas:2321-07-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Fluorescein CAS No.:2321-07-5 Molecule Formula:C20H12O5 Molecule Weight:332.31 Purity: 99.0% Package: 25kg/drum Description:Yellow powder Manufacture Standards:Enterprise Standard TESTING ITEMS SPECI

Best Quality Fluorescein with good supplier

Cas:2321-07-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Fluorescein

Cas:2321-07-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle

Fluorescein;Diresorcinolphthalein;Dihydroxyfluorane;Tetraoxyphthalophenonean hydride;C.I. 45350.99%

Cas:2321-07-5

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Fluorescein

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Fluorescein

Cas:2321-07-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Fluorescein

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/Fluorescein

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai

Fluorescein

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Fluorescein

Cas:2321-07-5

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

phthalic anhydride
85-44-9

phthalic anhydride

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
In phosphoric acid for 0.00833333h; Microwave irradiation;97%
With Zn0.95*Ti0.05O In neat (no solvent) at 160℃; for 1.33h; Catalytic behavior; Reagent/catalyst; Temperature; Time; Green chemistry;95%
With citric acid In toluene for 3h; Solvent; Reflux; Large scale;94.8%
fluorescein diacetate
596-09-8

fluorescein diacetate

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
Stage #1: fluorescein diacetate With sodium hydroxide In methanol; water for 1.5h; Heating / reflux;
Stage #2: With hydrogenchloride In ethanol; water at 20 - 25℃; for 1h; pH=1 - 2.5;
80%
With water In acetonitrile pH=4.8; aq. acetate buffer;
With porcine liver carboxylesterase In 2-methoxy-ethanol; water at 37℃; for 0.5h; pH=8; Enzymatic reaction;
fluoresceinamine
3326-34-9

fluoresceinamine

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With oxygen; nitrogen(II) oxide at 25℃; pH=7.4; Air; aq. HEPES buffer;78.3%
With sodium acetate In chloroform; acetic anhydride; acetic acid
2-<2,7-Dihydroxy-naphthoyl>-benzoesaeure
25932-69-8

2-<2,7-Dihydroxy-naphthoyl>-benzoesaeure

recorcinol
108-46-3

recorcinol

A

2,7-Dihydroxynaphthalene
582-17-2

2,7-Dihydroxynaphthalene

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With methanesulfonic acid In tolueneA 43%
B 20%
phthalic anhydride
85-44-9

phthalic anhydride

2',4'-dihydroxy-4-acetophenone
89-84-9

2',4'-dihydroxy-4-acetophenone

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With sulfuric acid
phthalic anhydride
85-44-9

phthalic anhydride

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

phthalic anhydride
85-44-9

phthalic anhydride

4-hydroxysalicylic acid
89-86-1

4-hydroxysalicylic acid

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With zinc(II) chloride
phthalic anhydride
85-44-9

phthalic anhydride

1,3-dihydroxybenzene-4-sulfonic acid
6409-58-1

1,3-dihydroxybenzene-4-sulfonic acid

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
at 180℃;
phthalic anhydride
85-44-9

phthalic anhydride

4,4'-bis-acetylamino-diphenic acid-anhydride

4,4'-bis-acetylamino-diphenic acid-anhydride

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

phthalic anhydride
85-44-9

phthalic anhydride

6,6'-bis-acetylamino-diphenic acid-anhydride

6,6'-bis-acetylamino-diphenic acid-anhydride

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

phthalic anhydride
85-44-9

phthalic anhydride

oxalic acid
144-62-7

oxalic acid

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
at 110 - 117℃;
phthalic anhydride
85-44-9

phthalic anhydride

2-phenylsuccinic acid
635-51-8, 10424-29-0

2-phenylsuccinic acid

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

phthalic anhydride
85-44-9

phthalic anhydride

1,2,4,5-benzenetetracarboxylic acid
89-05-4

1,2,4,5-benzenetetracarboxylic acid

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

phthalic anhydride
85-44-9

phthalic anhydride

recorcinol
108-46-3

recorcinol

A

1',6'-dihydroxy-spiro[phthalan-1,9'-xanthen]-3-one
112535-24-7

1',6'-dihydroxy-spiro[phthalan-1,9'-xanthen]-3-one

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With zinc(II) chloride
phthalic anhydride
85-44-9

phthalic anhydride

recorcinol
108-46-3

recorcinol

A

2-(2,4-dihydroxybenzoyl)benzoic acid
2513-33-9

2-(2,4-dihydroxybenzoyl)benzoic acid

B

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
at 126℃;
at 126℃;
1,2-naphthalenedicarboxylic anhydride
5343-99-7

1,2-naphthalenedicarboxylic anhydride

(E)-3-Ureido-but-2-enoic acid ethyl ester
5435-44-9, 22243-66-9

(E)-3-Ureido-but-2-enoic acid ethyl ester

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

2-(2,4-dihydroxybenzoyl)benzoic acid
2513-33-9

2-(2,4-dihydroxybenzoyl)benzoic acid

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
beim Erhitzen ueber den Schmelzpunkt;
beim Erhitzen ueber den Schmelzpunkt;
phenolphthalein
77-09-8

phenolphthalein

recorcinol
108-46-3

recorcinol

A

fluorescein
2321-07-5

fluorescein

B

phenol
108-95-2

phenol

Conditions
ConditionsYield
at 180 - 200℃;
4-[2]quinolylmethyl-2-phenyl-2H-phthalazin-1-one

4-[2]quinolylmethyl-2-phenyl-2H-phthalazin-1-one

(E)-3-Ureido-but-2-enoic acid ethyl ester
5435-44-9, 22243-66-9

(E)-3-Ureido-but-2-enoic acid ethyl ester

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one
596-28-1

3,3-bis-(3,4-dihydroxy-phenyl)-3H-isobenzofuran-1-one

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
at 210 - 220℃;
phthalic anhydride
85-44-9

phthalic anhydride

camphoric anhydride
595-29-9

camphoric anhydride

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

[1,4]naphthoquinone
130-15-4

[1,4]naphthoquinone

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With manganese(IV) oxide; sulfuric acid at 160℃;
naphthalene
91-20-3

naphthalene

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With manganese(IV) oxide; sulfuric acid at 160℃;
1,2,3,4-tetrachloronaphthalene
20020-02-4

1,2,3,4-tetrachloronaphthalene

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With manganese(IV) oxide; sulfuric acid at 160℃;
2-(2,4-dihydroxybenzoyl)benzoic acid
2513-33-9

2-(2,4-dihydroxybenzoyl)benzoic acid

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

phenolphthalin
81-90-3

phenolphthalin

recorcinol
108-46-3

recorcinol

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
at 180 - 200℃;
fluoresceine
518-45-6

fluoresceine

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
In 1,4-dioxane Equilibrium constant; Investigation of the effect of various organic solvents.;
fluorescein mono-p-guanidinobenzoate hydrochloride
83616-10-8

fluorescein mono-p-guanidinobenzoate hydrochloride

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With sodium hydrogencarbonate In various solvent(s) Rate constant; Ambient temperature; pH 10.15, other pH, spontaneous hydrolysis; microscopic and macroscopic kinetic constants for the hydrolysis by tripsin; serine proteases hydrolysis, active-site titrations of serine proteases;
6'-hydroxy-3-oxospiro-3'-yl β-D-glucopyranosiduronic acid
74804-84-5

6'-hydroxy-3-oxospiro-3'-yl β-D-glucopyranosiduronic acid

fluorescein
2321-07-5

fluorescein

Conditions
ConditionsYield
With acetate buffer; calf liver β-glucuronidase at 37℃; for 2h;
With acetate buffer; calf liver β-glucuronidase at 37℃; for 2h; pH 4.5;
fluorescein
2321-07-5

fluorescein

2-(2,4-dihydroxybenzoyl)benzoic acid
2513-33-9

2-(2,4-dihydroxybenzoyl)benzoic acid

Conditions
ConditionsYield
With sodium hydroxide In water for 1h; Reflux; Inert atmosphere;100%
With potassium hydroxide In water for 5h; Heating;86%
With sodium hydroxide at 160℃; for 1h;74.1%
fluorescein
2321-07-5

fluorescein

eosin y
15086-94-9

eosin y

Conditions
ConditionsYield
With Oxone; sodium bromide at 200℃; for 12h;100%
With sodium hypochlorite; hydrogen bromide; sodium sulfite In 2-methyltetrahydrofuran; water at 20℃; for 3h; Flow reactor;78%
With ethanol; bromine
fluorescein
2321-07-5

fluorescein

methyl iodide
74-88-4

methyl iodide

2-(6'-methoxy-3'-oxo-3'H-xanthene-9'-yl)-benzoic acid methyl ester
53677-99-9

2-(6'-methoxy-3'-oxo-3'H-xanthene-9'-yl)-benzoic acid methyl ester

Conditions
ConditionsYield
Stage #1: fluorescein With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;
Stage #2: methyl iodide In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;
100%
In N,N-dimethyl-formamide at 20℃; for 6h;11%
Stage #1: fluorescein With sodium hydroxide In methanol
Stage #2: methyl iodide In N,N-dimethyl-formamide
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h;
methanol
67-56-1

methanol

fluorescein
2321-07-5

fluorescein

fluorescein methyl ester
136205-88-4

fluorescein methyl ester

Conditions
ConditionsYield
With sulfuric acid for 14h; Reflux; Molecular sieve;98%
With sulfuric acid for 16h; Reflux;
2,4,6-trivinylcyclotriboroxane*pyridine complex

2,4,6-trivinylcyclotriboroxane*pyridine complex

fluorescein
2321-07-5

fluorescein

bis-O-vinylfluorescein

bis-O-vinylfluorescein

Conditions
ConditionsYield
With copper diacetate In pyridine; dichloromethane at 20℃; for 120h;98%
fluorescein
2321-07-5

fluorescein

2-amino-3′,6′-dihydroxyspiro[isoindoline-1,9′-xanthen]-3-one
98907-26-7

2-amino-3′,6′-dihydroxyspiro[isoindoline-1,9′-xanthen]-3-one

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 80℃; for 12h;97%
With hydrazine hydrate In methanol for 12h; Reflux;96%
With hydrazine hydrate In ethanol at 80℃; for 6h;93%
3-nitrobenzoic acid
121-92-6

3-nitrobenzoic acid

fluorescein
2321-07-5

fluorescein

fluorescein bis(3-nitrobenzoate)
1262883-54-4

fluorescein bis(3-nitrobenzoate)

Conditions
ConditionsYield
With phosphorus pentoxide at 60℃; for 4h; solid phase reaction;95%
4-Methoxyphenylacetic acid
104-01-8

4-Methoxyphenylacetic acid

fluorescein
2321-07-5

fluorescein

fluorescein di(2-(4-methoxyphenyl)acetate)

fluorescein di(2-(4-methoxyphenyl)acetate)

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 60℃; for 48h;95%
methanol
67-56-1

methanol

fluorescein
2321-07-5

fluorescein

methyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate
70672-06-9

methyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate

Conditions
ConditionsYield
With sulfuric acid for 12h; Reflux;94%
With sulfuric acid for 4h; Reflux;91%
With hydrogenchloride
acetic acid
64-19-7

acetic acid

fluorescein
2321-07-5

fluorescein

fluorescein diacetate
596-09-8

fluorescein diacetate

Conditions
ConditionsYield
With phosphorus pentoxide at 60℃; for 2h; solid phase reaction;94%
(4-biphenylyl)acetic acid
5728-52-9

(4-biphenylyl)acetic acid

fluorescein
2321-07-5

fluorescein

fluorescein di(2-([1,1'-biphenyl]-4-yl)acetate)

fluorescein di(2-([1,1'-biphenyl]-4-yl)acetate)

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 60℃; for 20h;94%
2-fluoro-5-nitrobenzoyl chloride
709-46-6

2-fluoro-5-nitrobenzoyl chloride

fluorescein
2321-07-5

fluorescein

C34H16F2N2O11
1609395-32-5

C34H16F2N2O11

Conditions
ConditionsYield
Stage #1: fluorescein With triethylamine In dichloromethane at 0℃; for 0.25h;
Stage #2: 2-fluoro-5-nitrobenzoyl chloride In dichloromethane at 0℃; for 1h;
94%
Stage #1: fluorescein With triethylamine In dichloromethane at 0℃; for 0.333333h;
Stage #2: 2-fluoro-5-nitrobenzoyl chloride In dichloromethane at 0 - 20℃; for 24h;
43%
(Z)-9-octadecenoyl chloride
112-77-6

(Z)-9-octadecenoyl chloride

fluorescein
2321-07-5

fluorescein

fluorescein dioleate
932390-69-7

fluorescein dioleate

Conditions
ConditionsYield
With triethylamine In dichloromethane93.8%
benzoyl chloride
98-88-4

benzoyl chloride

fluorescein
2321-07-5

fluorescein

fluorescein dibenzoate
7262-40-0

fluorescein dibenzoate

Conditions
ConditionsYield
With dmap; triethylamine In toluene at 20℃; for 24h; Inert atmosphere;93%
With dmap; triethylamine In toluene for 24h; Inert atmosphere;60%
at 140℃;
With sodium hydroxide
4-Fluorobenzoic acid
456-22-4

4-Fluorobenzoic acid

fluorescein
2321-07-5

fluorescein

fluorescein bis(4-fluorobenzoate)
1262883-46-4

fluorescein bis(4-fluorobenzoate)

Conditions
ConditionsYield
With phosphorus pentoxide at 60℃; for 4h; solid phase reaction;93%
ortho-chlorobenzoic acid
118-91-2

ortho-chlorobenzoic acid

fluorescein
2321-07-5

fluorescein

fluorescein bis(2-chlorobenzoate)
1262883-33-9

fluorescein bis(2-chlorobenzoate)

Conditions
ConditionsYield
With phosphorus pentoxide at 60℃; for 4h; solid phase reaction;93%
hydrocinnamic acid chloride
645-45-4

hydrocinnamic acid chloride

fluorescein
2321-07-5

fluorescein

fluorescein di(3-phenylpropanoate)

fluorescein di(3-phenylpropanoate)

Conditions
ConditionsYield
With pyridine In dichloromethane at 20℃; for 5h;93%
4-tolylacetic acid
622-47-9

4-tolylacetic acid

fluorescein
2321-07-5

fluorescein

fluorescein di(2-(p-tolyl)acetate)

fluorescein di(2-(p-tolyl)acetate)

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 60℃; for 48h;93%
4-Nitrophthalonitrile
31643-49-9

4-Nitrophthalonitrile

fluorescein
2321-07-5

fluorescein

4-[3'-(3,4-dicyanophenoxy)-3H-spiro[2-benzofuran-1,9'-xanthen]-3-oneoxy]benzene-1,2-dicarbonitrile

4-[3'-(3,4-dicyanophenoxy)-3H-spiro[2-benzofuran-1,9'-xanthen]-3-oneoxy]benzene-1,2-dicarbonitrile

Conditions
ConditionsYield
With sodium acetate In N,N-dimethyl-formamide at 20 - 80℃; for 6h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere;93%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 72h; Inert atmosphere;80%
Nonafluorobutanesulfonyl fluoride
375-72-4

Nonafluorobutanesulfonyl fluoride

fluorescein
2321-07-5

fluorescein

C28H10F18O9S2

C28H10F18O9S2

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 1.5h; Cooling;93%
fluorescein
2321-07-5

fluorescein

fluorescein barium salt

fluorescein barium salt

Conditions
ConditionsYield
Stage #1: fluorescein In water at 20℃; for 0.166667h; Sonication;
Stage #2: With barium hydroxide octahydrate In water at 20℃; for 6h;
93%
chloroacetic acid
79-11-8

chloroacetic acid

fluorescein
2321-07-5

fluorescein

fluorescein bis(2-chloroacetate)
207568-62-5

fluorescein bis(2-chloroacetate)

Conditions
ConditionsYield
With phosphorus pentoxide at 60℃; for 1h; solid phase reaction;92%
naphth-1-yl acetic acid
86-87-3

naphth-1-yl acetic acid

fluorescein
2321-07-5

fluorescein

fluorescein di(2-(naphthalene-1-yl)acetate)

fluorescein di(2-(naphthalene-1-yl)acetate)

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 60℃; for 36h;92%
fluorescein
2321-07-5

fluorescein

2-naphthylacetic acid
581-96-4

2-naphthylacetic acid

fluorescein di(2-(naphthalene-2-yl)acetate)

fluorescein di(2-(naphthalene-2-yl)acetate)

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 60℃; for 48h;92%
dimethyl sulfate
77-78-1

dimethyl sulfate

fluorescein
2321-07-5

fluorescein

3′,6′-dimethoxy-3H-spiro[isobenzofuran-1,9′-xanthen]-3-one
36886-76-7

3′,6′-dimethoxy-3H-spiro[isobenzofuran-1,9′-xanthen]-3-one

Conditions
ConditionsYield
Stage #1: fluorescein With potassium carbonate In acetone for 0.5h;
Stage #2: dimethyl sulfate In acetone at 50℃; for 4h;
92%
acetic anhydride
108-24-7

acetic anhydride

fluorescein
2321-07-5

fluorescein

fluorescein diacetate
596-09-8

fluorescein diacetate

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃; for 2.5h;91%
for 3 - 5h; Heating / reflux;75%
Reflux;72.6%
allyl bromide
106-95-6

allyl bromide

fluorescein
2321-07-5

fluorescein

allyl 2-(6-(allyloxy)-3-oxo-3H-xanthen-9-yl)benzoate
145387-24-2

allyl 2-(6-(allyloxy)-3-oxo-3H-xanthen-9-yl)benzoate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 60℃;91%
benzyl chlorothioformate

benzyl chlorothioformate

fluorescein
2321-07-5

fluorescein

C36H24O7S2

C36H24O7S2

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 0 - 20℃; for 2.16667h;91%
fluorescein
2321-07-5

fluorescein

3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
630-88-6

3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one

Conditions
ConditionsYield
With sulfolane; thionyl chloride In N,N-dimethyl-formamide at 60 - 80℃; for 2.5h; Temperature;90.5%
With phosphorus pentachloride at 100℃;
With thionyl chloride
With phosphorus pentachloride In chlorobenzene at 140℃; for 6h;
With phosphorus pentachloride In chlorobenzene at 140℃; for 6h;

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