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shanghai Tauto Biotech Co., Ltd

17-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China

Scarlet 808/808

Cas:3789-75-1

Min.Order:10 Milligram

Negotiable

Type:Manufacturers

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

2-Naphthalenecarboxamide,3-hydroxy-N-phenyl-4-(2-phenyldiazenyl)-

Cas:3789-75-1

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

2-Naphthalenecarboxamide,3-hydroxy-N-phenyl-4-(2-phenyldiazenyl)-

Cas:3789-75-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

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 etc. 3) oem/odm available; 4) rea

3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDECAS NO.: 3789-75-1

Cas:3789-75-1

Min.Order:1 Kilogram

FOB Price: $3.0

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

2-Naphthalenecarboxamide,3-hydroxy-N-phenyl-4-(2-phenyldiazenyl)-

Cas:3789-75-1

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

3789-75-1 CAS NO.3789-75-1

Cas:3789-75-1

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

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

2-Naphthalenecarboxamide,3-hydroxy-N-phenyl-4-(2-phenyldiazenyl)-

Cas:3789-75-1

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

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr

Hangzhou Dingyan Chem Co., Ltd

high purity, manufacturer Application:Intermediate

Scarlet 808

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac

Scarlet 808

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

1,3-Dioxane,2,4,5-trimethyl-4-phenyl-

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

3789-75-1

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Other

inquiry

BOC Sciences

BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell. https://www.bocsci.com/3-hydroxy-4-p

Scarlet 808

Cas:3789-75-1

Min.Order:1 Gram

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-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Asure Biochem CO.,LTD.

*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:1kg/tin 5kg/tin 25kg/carton Application:Use in healthcare products. Use in food products. Use in Cosmetic p

3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

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

3-oxo-N-phenyl-4-(phenylhydrazinylidene)naphthalene-2-carboxamide

Cas:3789-75-1

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

3789-75-1

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

home-produced Application:medicine

3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

shandong yuhong pigment Co.,ltd

Shandong yuhong new pigment co.,ltd is the public company in China and professional in Red,Yellow and Orange organic pigment for almost 20 years , served more than 1000 companies or factories with 7000 tons pigments per year, The products

Reliable price/ISO&PRE-REACH&ROHS&TDS/factory/yellow pigment/pigent red 21/ P.R.21/red 21

Cas:3789-75-1

Min.Order:200 Kilogram

FOB Price: $3.7 / 4.61

Type:Manufacturers

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

HENAN SUNLAKE ENTERPRISE CORPORATION Our company advantages: 1、The highest quality with the competitive price. 2、Professional human services. 3、The fastest and safest delivery service. 4、The faster and safest delivery service. 5、The hig

3-HYDROXY-4-PHENYLAZO-NAPHTHALENE-2-CARBOXYLIC ACID PHENYLAMIDE

Cas:3789-75-1

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Chengdu Push Bio-technology Co., Ltd

High purity , competitive price , warm sevice , providing HPLC ,MS , NMR , COA. The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. Package Size: 500mg/1g standard packing

Scarlet 808

Cas:3789-75-1

Min.Order:100 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Chengdu Alfa Biotechnology Co.,Ltd.

We are a leading supplier of phytochemical reference standards.We are confidant that we will assure you of any quality problems and provide you with competitive price.In addition, if you ordered, we can send you products first with Net 30 days paym

Scarlet 808

Cas:3789-75-1

Min.Order:20 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

3789-75-1 CAS NO.3789-75-1

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Shaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput scree

Scarlet 808(3789-75-1)

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Skyrun Industrial Co.,Ltd

Price, Purity Application:reagent

CSR081605-65119

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

High Quality Best Price Storage:Store in dry, dark and ventilated place Application:Chemical Synthesis Intermediate

FT-0775639

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Yongjian Pharmaceutical Co.,Ltd

High Purity, Low Price, Spot Supplies Storage:2-8°C, dry, dark and sealed Package:20mg?standard packing or according to customers' requirement Application:Only for Content determination Transportation:SF EXpress Port:/

808 Scarlet

Cas:3789-75-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2,3-oxynaphthoic acid phenylamide
92-77-3

2,3-oxynaphthoic acid phenylamide

benzene diazonium chloride
100-34-5

benzene diazonium chloride

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene
3789-75-1

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene

Conditions
ConditionsYield
With sodium hydroxide at 10℃; for 30h;94.9%
benzenediazonium
2684-02-8

benzenediazonium

2,3-oxynaphthoic acid phenylamide
92-77-3

2,3-oxynaphthoic acid phenylamide

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene
3789-75-1

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene

benzenediazonium
2684-02-8

benzenediazonium

2-hydroxy-3-phenylcarbamoyl-naphthalene-1-sulfonic acid
871874-72-5

2-hydroxy-3-phenylcarbamoyl-naphthalene-1-sulfonic acid

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene
3789-75-1

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene

Conditions
ConditionsYield
in alkal. Loesung;
2,3-oxynaphthoic acid phenylamide
92-77-3

2,3-oxynaphthoic acid phenylamide

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene
3789-75-1

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: nitrobenzene; chlorosulfonic acid / 50 - 60 °C
2: in alkal. Loesung
View Scheme
1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene
3789-75-1

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene

methyl iodide
74-88-4

methyl iodide

N-methyl-1-phenylazo-2-methoxy-3-naphthanilide
87407-75-8

N-methyl-1-phenylazo-2-methoxy-3-naphthanilide

Conditions
ConditionsYield
With sodium hydride In dimethyl sulfoxide at 40℃; for 38h;28.8%
1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene
3789-75-1

1-phenylazo-2-hydroxy-3-phenylcarbamoylnaphthalene

methyl iodide
74-88-4

methyl iodide

1-phenylazo-2-hydroxy-3-naphtho-N-methylanilide
83038-40-8

1-phenylazo-2-hydroxy-3-naphtho-N-methylanilide

Conditions
ConditionsYield
With potassium hydroxide In dimethyl sulfoxide at 40 - 42℃;

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