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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid supplier in China

Cas:119-40-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 119-40-4 7-anilino-4-hydroxynaphthalene-2-sulphonic acid

Cas:119-40-4

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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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

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:1 Gram

FOB Price: $5.0

Type:Lab/Research institutions

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Ality Chemical Corporation

Minimum Order Qty. 10 Gram to 1000 Kilograms according to different product and different price

Factory Supply Phenyl J acid

Cas:119-40-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid 119-40-4

Cas:119-40-4

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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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

High PurityCAS 119-40-4 with fast shipping

Cas:119-40-4

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

PHENYL J ACID Intro.:4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonic acid; 7-Anilino-4-hydroxynaphthalene-2-sulphonic acid Structural formula: CAS No.: 119-40-4 Molecular weight: 315.3 Molecular

henyl-J-acid CAS: 119-40-4

Cas:119-40-4

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Hebei yanxi chemical co.,LTD.

Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:Light grey to off-white powder Storage:Room temperature Package:25kg/bag Application:Dye Intermediate Transportation:Express/Sea/Air Port:Any port in china

7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid CAS 119-40-4

Cas:119-40-4

Min.Order:100 Kilogram

FOB Price: $13.5 / 14.0

Type:Lab/Research institutions

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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

2-Naphthalenesulfonicacid, 4-hydroxy-7-(phenylamino)- 119-40-4

Cas:119-40-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid CAS NO.119-40-4

Cas:119-40-4

Min.Order:10 Gram

Negotiable

Type:Trading Company

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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-Naphthalenesulfonicacid, 4-hydroxy-7-(phenylamino)-

Cas:119-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Manufacturers

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:100 Gram

Negotiable

Type:Other

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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

7-anilino-4-hydroxy-2-naphthalenesulfonic acid CAS NO.119-40-4

Cas:119-40-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

4-hydroxy-7-anilinophthalene-2-sulfonic acid CAS Database 119-40-4 (CAS DataBase Reference) EPA Chemical Information 2-Naphthalenesulfonic acid, 4-hydroxy-7-(phenylamino)- (119-40-4) 4-hydroxy-7-anilinonaphthalene-2-sulfonic acid Use and synt

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: Phenyl J Acid CAS No.: 119-40-4 Molecule Formula:C16H13NO4S Molecule Weight:315.34 Purity: 95.0% Package: 25kg/drum Description:White to gray crystalline powder Manufacture Standards:Enterprise Standard

Lower Price Phenyl J Acid

Cas:119-40-4

Min.Order:1 Kilogram

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

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

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

Hot Sales 7-anilino-4-hydroxynaphthalene-2-sulphonic acid CAS NO.119-40-4 CAS NO.119-40-4

Cas:119-40-4

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

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

4-Hydroxy-7-(phenylamino)-2-naphthalenesulfonic acid

Cas:119-40-4

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

7-anilino-4-hydroxynaphthalene-2-sulphonic acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

2-Anilino-5-naphthol-7-sulfonic acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

stable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate Transportation:By air or By sea

7-Anilino-4-hydroxy-2-naphthalenesulfonic acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 7-Anilino-4-Naphthol-2-Sulfonic Acid A24820 5mg

Cas:119-40-4

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

7-Anilino-4-hydroxy-2-naphthalenesulfonic Acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

7-anilino-4-hydroxynaphthalene-2-sulphonic acid

Cas:119-40-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

1-hydroxy-6-amino-3-naphthalenesulfonic acid
87-02-5

1-hydroxy-6-amino-3-naphthalenesulfonic acid

aniline
62-53-3

aniline

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions
ConditionsYield
With sodium metabisulfite at 100 - 110℃; pH=4-6; Reagent/catalyst;70.2%
With sodium disulfite
6-amino-naphthalene-1,3-disulfonic acid
118-33-2

6-amino-naphthalene-1,3-disulfonic acid

aniline
62-53-3

aniline

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions
ConditionsYield
With aniline hydrochloride man macht mit Soda alkalisch, dampft ein und erhitzt mit Kalilauge auf 210-220grad;
4,7-dihydroxy-naphthalene-2-sulfonic acid
6357-94-4

4,7-dihydroxy-naphthalene-2-sulfonic acid

aniline
62-53-3

aniline

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions
ConditionsYield
With ammonium sulfite
1-hydroxy-6-amino-3-naphthalenesulfonic acid
87-02-5

1-hydroxy-6-amino-3-naphthalenesulfonic acid

aniline
62-53-3

aniline

sodium disulfite

sodium disulfite

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

aniline
62-53-3

aniline

naphthol-(2)-disulfonic acid-(5.7)

naphthol-(2)-disulfonic acid-(5.7)

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

Conditions
ConditionsYield
With aniline hydrochloride man macht mit Soda alkalisch, dampft ein und erhitzt mit Kalilauge auf 210-220grad;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

benzoyl chloride
98-88-4

benzoyl chloride

4-(benzoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

4-(benzoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;85%
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazoline-6-diazonium

3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazoline-6-diazonium

3-(3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

3-(3-{4-[(E)-2-(2,4-Dichloro-phenyl)-vinyl]-phenyl}-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium carbonate; sodium chloride In water 1.) 0-5 deg C, 3 h; 2.) 60 deg C;84%
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

4-methyl-benzoyl chloride
874-60-2

4-methyl-benzoyl chloride

4-(4-methylbenzoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

4-(4-methylbenzoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;82%
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

pivaloyl chloride
3282-30-2

pivaloyl chloride

4-(2,2-dimethylpropanoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

4-(2,2-dimethylpropanoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;80%
chlorure d'acide ethyl-2 butyrique
2736-40-5

chlorure d'acide ethyl-2 butyrique

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

4-(2-ethylbutanoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

4-(2-ethylbutanoyloxy)-7-(phenylamino)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With triethylamine In ethyl acetate at 20℃; for 12h; Green chemistry;78%
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

picramic acid
96-91-3

picramic acid

C22H15N5O9S

C22H15N5O9S

Conditions
ConditionsYield
Stage #1: picramic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h;
Stage #2: With aminosulfonic acid In water for 0.05h;
Stage #3: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid In water at 10℃; for 2h;
3.4%
formic acid
64-18-6

formic acid

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

7-(N-formyl-anilino)-4-hydroxy-naphthalene-2-sulfonic acid

7-(N-formyl-anilino)-4-hydroxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium formate
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

diazonium chloride of 2-methyl-6-amino-4-oxoquinazoline

diazonium chloride of 2-methyl-6-amino-4-oxoquinazoline

Sodium; 4-hydroxy-3-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-7-phenylamino-naphthalene-2-sulfonate

Sodium; 4-hydroxy-3-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-ylazo)-7-phenylamino-naphthalene-2-sulfonate

Conditions
ConditionsYield
With sodium carbonate In water at 0 - 5℃; for 3h;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

6-Amino-2-{(E)-2-[4-((E)-styryl)-phenyl]-vinyl}-3H-quinazolin-4-one
128031-43-6

6-Amino-2-{(E)-2-[4-((E)-styryl)-phenyl]-vinyl}-3H-quinazolin-4-one

4-Hydroxy-3-(4-oxo-2-{(E)-2-[4-((E)-styryl)-phenyl]-vinyl}-3,4-dihydro-quinazolin-6-ylazo)-7-phenylamino-naphthalene-2-sulfonic acid

4-Hydroxy-3-(4-oxo-2-{(E)-2-[4-((E)-styryl)-phenyl]-vinyl}-3,4-dihydro-quinazolin-6-ylazo)-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium carbonate; sodium nitrite 2.) from 0 to 5 deg C, 3 h; Multistep reaction;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

6-Amino-2-((E)-2-{4-[(E)-2-(4-chloro-phenyl)-vinyl]-phenyl}-vinyl)-3H-quinazolin-4-one
163732-38-5

6-Amino-2-((E)-2-{4-[(E)-2-(4-chloro-phenyl)-vinyl]-phenyl}-vinyl)-3H-quinazolin-4-one

3-[2-((E)-2-{4-[(E)-2-(4-Chloro-phenyl)-vinyl]-phenyl}-vinyl)-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

3-[2-((E)-2-{4-[(E)-2-(4-Chloro-phenyl)-vinyl]-phenyl}-vinyl)-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium carbonate; sodium nitrite 2.) from 0 deg C to 5 deg C, 3 h; Multistep reaction;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

6-Amino-3-(4-chloro-phenyl)-2-mercapto-3H-quinazolin-4-one
179910-68-0

6-Amino-3-(4-chloro-phenyl)-2-mercapto-3H-quinazolin-4-one

3-[3-(4-Chloro-phenyl)-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

3-[3-(4-Chloro-phenyl)-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium carbonate; sodium nitrite 2.) from 0 deg C to 5 deg C, 3 h; Multistep reaction;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

6-Amino-3-(4-bromo-phenyl)-2-mercapto-3H-quinazolin-4-one
179910-67-9

6-Amino-3-(4-bromo-phenyl)-2-mercapto-3H-quinazolin-4-one

3-[3-(4-Bromo-phenyl)-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

3-[3-(4-Bromo-phenyl)-2-mercapto-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium carbonate; sodium nitrite 2.) from 0 deg C to 5 deg C, 3 h; Multistep reaction;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

6-Amino-2-mercapto-3-(4-methoxy-phenyl)-3H-quinazolin-4-one
179910-69-1

6-Amino-2-mercapto-3-(4-methoxy-phenyl)-3H-quinazolin-4-one

4-Hydroxy-3-[2-mercapto-3-(4-methoxy-phenyl)-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-7-phenylamino-naphthalene-2-sulfonic acid

4-Hydroxy-3-[2-mercapto-3-(4-methoxy-phenyl)-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium carbonate; sodium nitrite 2.) from 0 deg C to 5 deg C, 3 h; Multistep reaction;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

6-Amino-2-((E)-2-{4-[(E)-2-(4-dimethylamino-phenyl)-vinyl]-phenyl}-vinyl)-3H-quinazolin-4-one
179910-70-4

6-Amino-2-((E)-2-{4-[(E)-2-(4-dimethylamino-phenyl)-vinyl]-phenyl}-vinyl)-3H-quinazolin-4-one

3-[2-((E)-2-{4-[(E)-2-(4-Dimethylamino-phenyl)-vinyl]-phenyl}-vinyl)-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

3-[2-((E)-2-{4-[(E)-2-(4-Dimethylamino-phenyl)-vinyl]-phenyl}-vinyl)-4-oxo-3,4-dihydro-quinazolin-6-ylazo]-4-hydroxy-7-phenylamino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium carbonate; sodium nitrite 2.) from 0 deg C to 5 deg C, 3 h; Multistep reaction;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

tetrazotized 4.4'-diamino-diphenyl-dicarboxylic acid-(3.3')

tetrazotized 4.4'-diamino-diphenyl-dicarboxylic acid-(3.3')

4-(6-anilino-1-hydroxy-3-sulfo-[2]naphthylazo)-4'-(1-hydroxy-5-sulfo-[2]naphthylazo)-biphenyl-3,3'-dicarboxylic acid

4-(6-anilino-1-hydroxy-3-sulfo-[2]naphthylazo)-4'-(1-hydroxy-5-sulfo-[2]naphthylazo)-biphenyl-3,3'-dicarboxylic acid

Conditions
ConditionsYield
With dicarbonate und Behandeln mit Naphthol-(1)-sulfonsaeure-(5) in sodaalkalischer Loesung bei Gegenwart von Pyridin;
C24H20N6O6S2
1149376-22-6

C24H20N6O6S2

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C40H30N8O10S3
1149431-23-1

C40H30N8O10S3

Conditions
ConditionsYield
Stage #1: C24H20N6O6S2 With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 25 - 30℃; for 2h;
Stage #2: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With sodium carbonate In water pH=7 - 10;
C32H28N8O6S2
1149376-32-8

C32H28N8O6S2

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C48H38N10O10S3
1149431-29-7

C48H38N10O10S3

Conditions
ConditionsYield
Stage #1: C32H28N8O6S2 With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 25 - 30℃; for 2h;
Stage #2: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With sodium carbonate In water pH=7 - 10;
C32H29N7O9S3

C32H29N7O9S3

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C48H39N9O13S4

C48H39N9O13S4

Conditions
ConditionsYield
Stage #1: C32H29N7O9S3 With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 20 - 30℃; for 1h;
Stage #2: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With sodium carbonate In water pH=8-10;
C39H43N7O11S3

C39H43N7O11S3

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C55H53N9O15S4

C55H53N9O15S4

Conditions
ConditionsYield
Stage #1: C39H43N7O11S3 With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 20 - 30℃; for 1h;
Stage #2: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With sodium carbonate In water pH=8-10;
C28H27N7O6S2

C28H27N7O6S2

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C44H37N9O10S3

C44H37N9O10S3

Conditions
ConditionsYield
Stage #1: C28H27N7O6S2 With sodium hydroxide In water
Stage #2: With hydrogenchloride; sodium nitrite In water at 20 - 30℃; for 1h;
Stage #3: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With sodium carbonate In water at 20 - 30℃; pH=8 - 10;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C36H36N6O8S2

C36H36N6O8S2

C52H46N8O12S3

C52H46N8O12S3

Conditions
ConditionsYield
Stage #1: C36H36N6O8S2 With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 20 - 30℃; for 1h;
Stage #2: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With sodium carbonate In water pH=8-10;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C46H48N8O12S3

C46H48N8O12S3

C62H58N10O16S4

C62H58N10O16S4

Conditions
ConditionsYield
Stage #1: C46H48N8O12S3 With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 20 - 30℃; for 1h;
Stage #2: 2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid With hydrogenchloride; sodium carbonate In water pH=8-10;
2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid
119-40-4

2-phenylamino-5-hydroxynaphthalene-7-sulphonic acid

C25H27N6O8S2(1+)*Cl(1-)

C25H27N6O8S2(1+)*Cl(1-)

C41H39N7O12S3

C41H39N7O12S3

Conditions
ConditionsYield
With sodium carbonate In water pH=8-10;

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