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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

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:White or

2-AMinophenylarsonic Acid

Cas:2045-00-3

Min.Order:1 Gram

Negotiable

Type:Manufacturers

inquiry

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

o-Arsanilic acid

Cas:2045-00-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

2-Aminobenzenearsonic acid

Cas:2045-00-3

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

Arsonic acid,As-(2-aminophenyl)-

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

factory supply CAS 2045-00-3 with competitive price

Cas:2045-00-3

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

best price high quality Storage:Room Temperature Application:For pharmacy chemical Transportation:by sea,air

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

CSR1608-487 Application:surface active agent

CSR1608-487

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2-Aminobenzenearsonic acid cas 2045-00-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2-Aminobenzenearsonic acid cas 2045-00-3

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Send Pharmaceutical Technology Co., Ltd.

stock,low price,high quality,high purity,good sevice Application:R&D

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Neway Chemicals Co., Ltd.

We supply1.in very competitive price; 2.Quality Guaranteed; 3.Fast Delivery; 4.credit support Application:APIs and Chemical Intermediates

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Skyrun Industrial Co.,Ltd

Capacity, Prompt shipment Application:surface active agent

CSR1608-487

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Petrochemical Co.,Ltd

intermediateAppearance:liquid Storage:Normal temperature Package:1kg/25kg/customized Application:intermediate Transportation:By Ship/Air

2045-00-3

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Yierdechem Co. Ltd

intermediateAppearance:liquid Storage:Normal temperature Package:1kg/25kg/customized Application:intermediate Transportation:By Ship/Air Port:any port of china

SH497

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Fenjun Chemical Co Ltd.

Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical, ch

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Reliable Pharma Technology (Shanghai) Co., Ltd.

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Debye Scientific

Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen

o-Arsanilic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changzhou Foreign Trade Corp

CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio

2-aminophenylarsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

GreatAp Chemicals Co.Ltd.

Production:

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

yuyongmei

YUYONGMEI was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu Province with 1200 square meters’ R&D center. Our R&D center has a well-equipped synthetic laboratory a

Arsonic acid,As-(2-aminophenyl)-

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Fine Chemicals Co., Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

(2-aminophenyl)arsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

TOKYO CHEMICAL INDUSTRY CO., LTD.

2-Aminophenylarsonic Acid

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Pfaltz & Bauer, Inc.

2-Aminobenzenearsonic acid

Cas:2045-00-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-nitrophenylarsonic acid
5410-29-7

2-nitrophenylarsonic acid

sodium acetate
127-09-3

sodium acetate

o-arsanilic acid
2045-00-3

o-arsanilic acid

Conditions
ConditionsYield
With platinum Electrolysis;
2-nitrophenylarsonic acid
5410-29-7

2-nitrophenylarsonic acid

sodium acetate
127-09-3

sodium acetate

A

o-arsanilic acid
2045-00-3

o-arsanilic acid

B

(2,2'-hydrazo-diphenyl)-bis-arsonic acid

(2,2'-hydrazo-diphenyl)-bis-arsonic acid

Conditions
ConditionsYield
Reduktion an einer Platinkathode.Electrolysis;
2-nitrophenylarsonic acid
5410-29-7

2-nitrophenylarsonic acid

o-arsanilic acid
2045-00-3

o-arsanilic acid

Conditions
ConditionsYield
With iron(II) chloride in kalter alkalischer Loesung;
With water; iron; iron(II) chloride at 60 - 70℃;
With methanol; sodium amalgam at 55 - 60℃;
N,N'-bis-(2-arsono-phenyl)-oxalamide
861527-92-6

N,N'-bis-(2-arsono-phenyl)-oxalamide

o-arsanilic acid
2045-00-3

o-arsanilic acid

Conditions
ConditionsYield
With sulfuric acid
2-nitrophenylarsonic acid
5410-29-7

2-nitrophenylarsonic acid

iron (II)-chloride

iron (II)-chloride

o-arsanilic acid
2045-00-3

o-arsanilic acid

sodium-salt of/the/ 2-nitro-phenylarsonic acid

sodium-salt of/the/ 2-nitro-phenylarsonic acid

o-arsanilic acid
2045-00-3

o-arsanilic acid

Conditions
ConditionsYield
With ethanol; nickel at 50 - 90℃; under 69137.7 Torr; Hydrogenation;
o-chlorophenylarsonic acid
33781-24-7

o-chlorophenylarsonic acid

ammonium carbonate

ammonium carbonate

A

o-arsanilic acid
2045-00-3

o-arsanilic acid

B

(2,2'-imino-diphenyl)-bis-arsonic acid

(2,2'-imino-diphenyl)-bis-arsonic acid

Conditions
ConditionsYield
With pentan-1-ol; copper diacetate; potassium carbonate at 135℃;
sulfuric acid
7664-93-9

sulfuric acid

N,N'-bis-(2-arsono-phenyl)-oxalamide
861527-92-6

N,N'-bis-(2-arsono-phenyl)-oxalamide

o-arsanilic acid
2045-00-3

o-arsanilic acid

2-Nitrophenyldiazonium
25910-37-6

2-Nitrophenyldiazonium

o-arsanilic acid
2045-00-3

o-arsanilic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: alkali; sodium arsenite
2: NaOH-solution; ferrosulfate
View Scheme
Multi-step reaction with 2 steps
1: sodium arsenite
2: iron; iron (II)-chloride; water / 60 - 70 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium arsenite
2: sodium amalgam (4 percent ); methanol / 55 - 60 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium arsenite
2: iron (II)-chloride / in kalter alkalischer Loesung
View Scheme
o-arsanilic acid
2045-00-3

o-arsanilic acid

Methacryloyl chloride
920-46-7

Methacryloyl chloride

o-methacryloylaminophenylarsonic acid

o-methacryloylaminophenylarsonic acid

Conditions
ConditionsYield
In ethanol at 4℃; for 2h;90%
4-Chloro-2-methylthiopyrimidine
49844-90-8

4-Chloro-2-methylthiopyrimidine

o-arsanilic acid
2045-00-3

o-arsanilic acid

2-methylthio-4-(2'-aminophenylarsonic acid)aminopyrimidine

2-methylthio-4-(2'-aminophenylarsonic acid)aminopyrimidine

Conditions
ConditionsYield
With hydrogenchloride In isopropyl alcohol Heating;86%
With hydrogenchloride In isopropyl alcohol Heating;86.4%
for 24h; Heating;
o-arsanilic acid
2045-00-3

o-arsanilic acid

6,7-dimethoxy-4-chloroquinazoline
13790-39-1

6,7-dimethoxy-4-chloroquinazoline

4-(2'-phenylarsonic acid)amino-6,7-dimethoxyquinazoline

4-(2'-phenylarsonic acid)amino-6,7-dimethoxyquinazoline

Conditions
ConditionsYield
With hydrogenchloride In isopropyl alcohol Heating;83.2%
for 24h; Heating;
With hydrogenchloride In isopropyl alcohol Heating;
o-arsanilic acid
2045-00-3

o-arsanilic acid

6-chloropurine
87-42-3

6-chloropurine

6-(2'-phenylarsonic acid)aminopurine

6-(2'-phenylarsonic acid)aminopurine

Conditions
ConditionsYield
With hydrogenchloride In isopropyl alcohol Heating;73.4%
for 24h; Heating;
With hydrogenchloride In isopropyl alcohol Heating;
o-arsanilic acid
2045-00-3

o-arsanilic acid

acetylacetone
123-54-6

acetylacetone

(2-(2-(2,4-dioxopentan-3-ylidene)hydrazineyl) phenyl)arsonic acid
1288981-02-1

(2-(2-(2,4-dioxopentan-3-ylidene)hydrazineyl) phenyl)arsonic acid

Conditions
ConditionsYield
Stage #1: o-arsanilic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at -0.16℃;
Stage #2: acetylacetone In water at -0.16℃; for 1h;
67%
o-arsanilic acid
2045-00-3

o-arsanilic acid

sodium monochloroacetic acid
3926-62-3

sodium monochloroacetic acid

2-(carboxymethylamino)phenylarsonic acid hydrochloride
1323372-55-9

2-(carboxymethylamino)phenylarsonic acid hydrochloride

Conditions
ConditionsYield
Stage #1: o-arsanilic acid; sodium monochloroacetic acid With potassium carbonate In water at 100℃; for 7h;
Stage #2: With hydrogenchloride In water pH=2 - 2.5;
60%
o-arsanilic acid
2045-00-3

o-arsanilic acid

salicylaldehyde
90-02-8

salicylaldehyde

(E)-(2-(2-hydroxybenzylidene)aminophenyl)arsonic acid

(E)-(2-(2-hydroxybenzylidene)aminophenyl)arsonic acid

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 20℃; for 7h;34%
2,4-dinitrobromobenzene
584-48-5

2,4-dinitrobromobenzene

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(2,4-dinitro-anilino)-phenyl]-arsonic acid
18016-88-1

[2-(2,4-dinitro-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With pentan-1-ol; copper; potassium carbonate
2-chloro-5-nitropyridine
4548-45-2

2-chloro-5-nitropyridine

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(5-nitro-[2]pyridylamino)-phenyl]-arsonic acid

[2-(5-nitro-[2]pyridylamino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With hydrogenchloride
Thioglycolamide
758-08-7

Thioglycolamide

o-arsanilic acid
2045-00-3

o-arsanilic acid

[(2-amino-phenyl)-arsanediyldimercapto]-di-acetic acid diamide

[(2-amino-phenyl)-arsanediyldimercapto]-di-acetic acid diamide

Conditions
ConditionsYield
With water
diethyl sulfate
64-67-5

diethyl sulfate

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-ethylamino-phenyl)-arsonic acid

(2-ethylamino-phenyl)-arsonic acid

Conditions
ConditionsYield
With sodium hydroxide
bromobenzene
108-86-1

bromobenzene

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-anilino-phenyl)-arsonic acid
872275-94-0

(2-anilino-phenyl)-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate at 130 - 140℃; Reagens 4:Kupfer(I)-jodid;
bromobenzene
108-86-1

bromobenzene

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-diphenylamino-phenyl)-arsonic acid

(2-diphenylamino-phenyl)-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate at 160 - 170℃; Reagens 4: Kupfer(I)-jodid;
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(4,6-diamino-[1,3,5]triazin-2-ylamino)-phenyl]-arsonic acid

[2-(4,6-diamino-[1,3,5]triazin-2-ylamino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With sodium hydroxide; acetone und Erhitzen des Reaktionsprodukts mit wss. NH3;
4-bromo-6-methoxy-2-methylquinoline
856095-00-6

4-bromo-6-methoxy-2-methylquinoline

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(6-methoxy-2-methyl-[4]quinolylamino)-phenyl]-arsonic acid
872273-59-1

[2-(6-methoxy-2-methyl-[4]quinolylamino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With pentan-1-ol; copper; potassium carbonate at 130 - 140℃; Reagens 4: Jod;
1-chloro-5-nitroisoquinoline
58142-97-5

1-chloro-5-nitroisoquinoline

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(5-nitro-[1]isoquinolylamino)-phenyl]-arsonic acid

[2-(5-nitro-[1]isoquinolylamino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With sodium hydroxide
4-bromo-phenol
106-41-2

4-bromo-phenol

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(4-hydroxy-anilino)-phenyl]-arsonic acid

[2-(4-hydroxy-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With pentan-1-ol; copper; potassium carbonate
CYANAMID
420-04-2

CYANAMID

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-guanidino-phenyl)-arsonic acid

(2-guanidino-phenyl)-arsonic acid

Conditions
ConditionsYield
With hydrogenchloride
(2-chloroacetyl)urea
4791-21-3

(2-chloroacetyl)urea

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(allophanoylmethyl-amino)-phenyl]-arsonic acid

[2-(allophanoylmethyl-amino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With sodium hydroxide
1-(chloroacetyl)-3-methylurea
4791-22-4

1-(chloroacetyl)-3-methylurea

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-{[(4-methyl-allophanoyl)-methyl]-amino}-phenyl)-arsonic acid

(2-{[(4-methyl-allophanoyl)-methyl]-amino}-phenyl)-arsonic acid

Conditions
ConditionsYield
With sodium hydroxide
para-bromotoluene
106-38-7

para-bromotoluene

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-p-toluidino-phenyl)-arsonic acid
860236-55-1

(2-p-toluidino-phenyl)-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate
1.4-dibromobenzene
106-37-6

1.4-dibromobenzene

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(4-bromo-anilino)-phenyl]-arsonic acid

[2-(4-bromo-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
at 130 - 140℃;
With i-Amyl alcohol; copper; potassium carbonate at 130 - 140℃; Reagens 4: Kupfer(I)-jodid;
1.4-dibromobenzene
106-37-6

1.4-dibromobenzene

o-arsanilic acid
2045-00-3

o-arsanilic acid

{2-[bis-(4-bromo-phenyl)-amino]-phenyl}-arsonic acid

{2-[bis-(4-bromo-phenyl)-amino]-phenyl}-arsonic acid

Conditions
ConditionsYield
at 150 - 160℃;
With i-Amyl alcohol; copper; potassium carbonate at 150 - 160℃; Reagens 4: Kupfer(I)-jodid;
m-bromobenzoic acid
585-76-2

m-bromobenzoic acid

o-arsanilic acid
2045-00-3

o-arsanilic acid

3-(2-arsono-anilino)-benzoic acid
872276-17-0

3-(2-arsono-anilino)-benzoic acid

Conditions
ConditionsYield
/BRN= 3395862/;
m-bromobenzoic acid
585-76-2

m-bromobenzoic acid

o-arsanilic acid
2045-00-3

o-arsanilic acid

4-(2-arsono-anilino)-benzoic acid

4-(2-arsono-anilino)-benzoic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate at 145 - 155℃; Reagens 4: Kupfer(I)-jodid;
3-Bromonitrobenzene
585-79-5

3-Bromonitrobenzene

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(3-nitro-anilino)-phenyl]-arsonic acid
873983-25-6

[2-(3-nitro-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate at 145 - 150℃; Reagens 4: Kupfer(I)-jodid;
2-nitrophenyl bromide
577-19-5

2-nitrophenyl bromide

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(2-nitro-anilino)-phenyl]-arsonic acid
876497-37-9

[2-(2-nitro-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate at 110℃; Reagens 4: Kupfer(I)-jodid;
N-(2-hydroxyphenyl)-2-chloroacetamide
10147-68-9

N-(2-hydroxyphenyl)-2-chloroacetamide

o-arsanilic acid
2045-00-3

o-arsanilic acid

(2-{[(2-hydroxy-phenylcarbamoyl)-methyl]-amino}-phenyl)-arsonic acid

(2-{[(2-hydroxy-phenylcarbamoyl)-methyl]-amino}-phenyl)-arsonic acid

Conditions
ConditionsYield
With sodium hydroxide
2-bromo-3-nitrotoluene
41085-43-2

2-bromo-3-nitrotoluene

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(2-methyl-6-nitro-anilino)-phenyl]-arsonic acid
823810-41-9

[2-(2-methyl-6-nitro-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate
4-bromo-2-nitrotoluene
60956-26-5

4-bromo-2-nitrotoluene

o-arsanilic acid
2045-00-3

o-arsanilic acid

[2-(4-methyl-3-nitro-anilino)-phenyl]-arsonic acid

[2-(4-methyl-3-nitro-anilino)-phenyl]-arsonic acid

Conditions
ConditionsYield
With i-Amyl alcohol; copper; potassium carbonate

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