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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

CHLOROPLUMBAGIN 21890-57-3

Cas:21890-57-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

1,4-Naphthalenedione, 3-chloro-5-hydroxy-2-methyl- CAS:21890-57-3 QinC11H7ClO3gdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, sp

1,4-Naphthalenedione, 3-chloro-5-hydroxy-2-methyl- CAS:21890-57-3

Cas:21890-57-3

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

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:1 Kilogram

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

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

CHLOROPLUMBAGIN 3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione CAS No.: 21890-57-3 Synonyms: CHLOROPLUMBAGIN; 3-Chloro-plumbagin; 5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone; 2-methyl-3-chloro-5-hydroxy-1,4-naphthoquinone; Formula:

CAS21890-57-3 3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Price3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hebei Mojin Biotechnology Co.,Ltd

1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Manufacturers

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-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Other

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

CHLOROPLUMBAGIN cas 21890-57-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

CHLOROPLUMBAGIN cas 21890-57-3

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highl

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

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-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Helios Biomedical Science and Technology Co.,LTD.

Changzhou Helios Biochemical Co., Ltd is a leading manufacturer and supplier for medical intermediates and pesticide intermediates . We specialize in custom synthesis of benzene ring, pyridine and pyrimidine derivatives to help customers to accelerat

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

The factory supplies Application:manufacturing supplies

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

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

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei mingxing biotech co.,ltd

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Prompt reaction, good quality and best service make us reliable and outstanding in this industry.Appearance:yellow to white solid or po

3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Other

inquiry

Nanjing Raymon Biotech Co., Ltd.

CAS21890-57-3 3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dioneAppearance:white powder Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By S

CAS21890-57-3 3-chloro-5-hydroxy-2-methylnaphthalene-1,4-dione

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Zhaojun New Material Technology Co., LTD

1.Fast and safety delivery by well-reputed shipping line;2.we have our own chemical laboratory and factory3.Reasonable price, excellent quality and attentive service.4.prompt reply.we can reply your inquiry within 12 hours.5.sample free(depends on pr

CHLOROPLUMBAGIN

Cas:21890-57-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

A

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

B

3,6-dichloro-5-hydroxy-2-methyl-[1,4]naphthoquinone
57093-07-9

3,6-dichloro-5-hydroxy-2-methyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With chlorine; acetic acid
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

Conditions
ConditionsYield
With chlorine In chloroform for 24h; Ambient temperature;85 mg
With hydrogenchloride; potassium permanganate; acetic acid; sodium acetate for 1h;240 mg
3-Chlorplumbaginacetat
76855-75-9

3-Chlorplumbaginacetat

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

Conditions
ConditionsYield
With aluminium trichloride In dichloromethane for 3h; Ambient temperature;
3-chlorojuglone
18855-92-0

3-chlorojuglone

dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

Conditions
ConditionsYield
With dihydrogen peroxide 1.) dioxan, room temp., 30 min, 2.) dioxan, 15 min; Yield given. Multistep reaction;
5-Acetoxy-3-chlor-1,4-naphthochinon
91855-98-0

5-Acetoxy-3-chlor-1,4-naphthochinon

dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

Conditions
ConditionsYield
Yield given. Multistep reaction;
5-Acetoxy-3-chlor-1,4-naphthochinon
91855-98-0

5-Acetoxy-3-chlor-1,4-naphthochinon

A

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

B

3-Chlor-5-hydroxy-2-(4-nitrophenyl)-1,4-naphthochinon

3-Chlor-5-hydroxy-2-(4-nitrophenyl)-1,4-naphthochinon

Conditions
ConditionsYield
With ammonium peroxydisulfate; aluminium trichloride; silver nitrate; 4-nitro-benzoic acid 1.) CH3CN, water, 80 deg C, 40 min, 2.) CH2Cl2, r.t., 3 h; Yield given. Multistep reaction. Yields of byproduct given;
5-Acetoxy-3-chlor-1,4-naphthochinon
91855-98-0

5-Acetoxy-3-chlor-1,4-naphthochinon

4-nitro-benzoic acid
62-23-7

4-nitro-benzoic acid

A

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

B

nitrobenzene
98-95-3

nitrobenzene

C

3-Chlor-5-hydroxy-2-(4-nitrophenyl)-1,4-naphthochinon

3-Chlor-5-hydroxy-2-(4-nitrophenyl)-1,4-naphthochinon

Conditions
ConditionsYield
With ammonium peroxydisulfate; aluminium trichloride; silver nitrate 1.) CH3CN, water, 80 deg C, 40 min, 2.) CH2Cl2, r.t., 3 h; Yield given. Multistep reaction. Yields of byproduct given;
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

A

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

B

2-methyl-5-hydroxy-2,3-epoxy-2,3-dihydro-1,4-naphthoquinone
188675-38-9

2-methyl-5-hydroxy-2,3-epoxy-2,3-dihydro-1,4-naphthoquinone

Conditions
ConditionsYield
With hydrogenchloride; sodium perborate; sulfuric acid 1.) ethanol, 2 min; Yield given. Multistep reaction. Yields of byproduct given;
acetic acid
64-19-7

acetic acid

3-chloro-5-hydroxy-naphthoquinone-(1.4)

3-chloro-5-hydroxy-naphthoquinone-(1.4)

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

Conditions
ConditionsYield
With diacetyl peroxide
5-hydroxy-2-methyl-1,4-naphthoquinone
481-42-5

5-hydroxy-2-methyl-1,4-naphthoquinone

A

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

B

3,6(?)-dichloro-5-hydroxy-2-methyl-<1,4>naphthoquinone

3,6(?)-dichloro-5-hydroxy-2-methyl-<1,4>naphthoquinone

Conditions
ConditionsYield
With chlorine; acetic acid
5-Acetoxy-3-chlor-1,4-naphthochinon
91855-98-0

5-Acetoxy-3-chlor-1,4-naphthochinon

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 0 - 5 °C
2: AlCl3 / CH2Cl2 / 3 h / Ambient temperature
View Scheme
5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

A

3-chloro-6-nitroplumbagin

3-chloro-6-nitroplumbagin

B

3-chloro-8-nitroplumbagin

3-chloro-8-nitroplumbagin

Conditions
ConditionsYield
With sulfuric acid; nitric acid for 1h; Ambient temperature;A 37%
B 49%
methanol
67-56-1

methanol

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

5-Hydroxy-3-methoxy-2-methyl-1,4-naphthochinon
61836-29-1

5-Hydroxy-3-methoxy-2-methyl-1,4-naphthochinon

Conditions
ConditionsYield
With sodium hydroxide for 2h; Ambient temperature;10%
5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone
21890-57-3

5-hydroxy-2-methyl-3-chloro-1,4-naphthoquinone

ethanethiol
75-08-1

ethanethiol

3-ethylsulfanyl-5-hydroxy-2-methyl-[1,4]naphthoquinone

3-ethylsulfanyl-5-hydroxy-2-methyl-[1,4]naphthoquinone

Conditions
ConditionsYield
With pyridine; ethanol

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