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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

disodium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate

Cas:5858-81-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

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 RED 6 5858-81-1 Manufacturer

Cas:5858-81-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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

Pharmaceutical Grade CAS 5858-81-1 with competitive price

Cas:5858-81-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2)

Cas:5858-81-1

Min.Order:1 Gram

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

2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2)

Cas:5858-81-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

LITHOL RUBIN BCA

Cas:5858-81-1

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

2-Naphthalenecarboxylicacid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2)

Cas:5858-81-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

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

2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-

Cas:5858-81-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

Pigment Red 57 5858-81-1

Cas:5858-81-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology Co. LTD

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

Pigment Red 57 5858-81-1

Cas:5858-81-1

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

LITHOL RUBIN BCA

Cas:5858-81-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou joyan chemical Co.,LTD

CBNumber: CB8469588 Product name: LITHOL RUBIN BCA MF: C18H12N2Na2O6S MW: 430.34 CAS: 5858-81-1 MOL: Mol file

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

Synthetic route

3-Hydroxy-2-naphthoic acid
92-70-6

3-Hydroxy-2-naphthoic acid

[15N]-5-methyl-2-diazobenzenesulphonic acid hydrochloride

[15N]-5-methyl-2-diazobenzenesulphonic acid hydrochloride

D&C red no. 6
5858-81-1

D&C red no. 6

Conditions
ConditionsYield
Stage #1: 3-Hydroxy-2-naphthoic acid With sodium hydroxide In water at 50℃;
Stage #2: [15N]-5-methyl-2-diazobenzenesulphonic acid hydrochloride In water at 15 - 20℃; for 2h;
D&C red no. 6
5858-81-1

D&C red no. 6

calcium bis[2-(3-carboxy-2-hydroxynaphthylazo)-5-methylbenzenesulfonate]

calcium bis[2-(3-carboxy-2-hydroxynaphthylazo)-5-methylbenzenesulfonate]

Conditions
ConditionsYield
With calcium chloride In water at 25 - 35℃; for 1.5 - 2h; Product distribution / selectivity;

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