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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production Cyromazine、lead diacetate trihydrate /Lead acetate trihydrateC、 2-phenylacetamide 、 4-Aminophenyl-1-phenethylpiperidine 、Citric acid monohydrate 、 Citric acid/c

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Manufacturers

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one CAS596-28-1

Cas:596-28-1

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

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

Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one CAS:596-28-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one CAS:596-28-1

Cas:596-28-1

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

Pyrocatecholphthalein

Cas:596-28-1

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

Pyrocatecholphthalein

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We have s

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

Phthalide, 3,3-bis(3,4-dihydroxyphenyl)-

Cas:596-28-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

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

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

Cas:596-28-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Pyrocatecholphthalein

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Pyrocatecholphthalein Application:Organic Chemicals

596-28-1

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

596-28-1 Pyrocatecholphthalein Application:596-28-1 Pyrocatecholphthalein

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

best seller Application:API

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

Cas:596-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Pyrocatecholphthalein cas 596-28-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Pyrocatecholphthalein cas 596-28-1

Cas:596-28-1

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

596-28-1 PyrocatecholphthaleinAppearance:White crystalline powder Package:According to customer requirement packaging Application:N/A Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Phthalide, 3,3-bis(3,4-dihydroxyphenyl)-

Cas:596-28-1

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

596-28-1

Cas:596-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

Cas:596-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

3,3-Bis(3,4-dihydroxyphenyl)isobenzofuran-1(3H)-one

Cas:596-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

Pyrocatecholphthalein Cas No: 596-28-1

Cas:596-28-1

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

Pyrocatecholphthalein

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:10 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Taizhou volsen chemical Co., Ltd

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

596-28-1 Pyrocatecholphthalein

Cas:596-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

phthalic anhydride
85-44-9

phthalic anhydride

benzene-1,2-diol
120-80-9

benzene-1,2-diol

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

Conditions
ConditionsYield
With zinc(II) chloride at 140 - 150℃;
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

3,5-dibromo-4-hydroxysalicylic acid
3147-46-4

3,5-dibromo-4-hydroxysalicylic acid

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

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

eosin y
15086-94-9

eosin y

Conditions
ConditionsYield
at 170℃;
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℃;
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

diethylamine
109-89-7

diethylamine

2-(3,4,5,6-Tetrahydroxy-9H-fluoren-9-yl)-benzoic acid
103507-71-7

2-(3,4,5,6-Tetrahydroxy-9H-fluoren-9-yl)-benzoic acid

Conditions
ConditionsYield
at 145 - 150℃;
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

diethylamine
109-89-7

diethylamine

2-(3,6-Bis-ethylamino-4,5-dioxo-5,9-dihydro-4H-fluoren-9-yl)-N-ethyl-benzamide
103211-27-4

2-(3,6-Bis-ethylamino-4,5-dioxo-5,9-dihydro-4H-fluoren-9-yl)-N-ethyl-benzamide

Conditions
ConditionsYield
at 145 - 150℃;

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