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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

1,2-Benzenediamine,hydrochloride (1:2)

Cas:615-28-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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-Phenylenediamine dihydrochloride

Cas:615-28-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: OPD EASY-tablets Synonyms: usafek-678;OPD DIHYDROCHLORIDE;OPD EASY-tablets;O-PD, HCL;ORTHO-PHENYLENEDIAMINEDIHYDROCHLORIDE;o-phenylenediamine hydrochloride;SIGMAFASTTM OPD;o-Phenylenediamine·2hydrochloride

615-28-1 OPD EASY-tablets

Cas:615-28-1

Min.Order:1 Kilogram

FOB Price: $8900.0

Type:Lab/Research institutions

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

OPD EASY-tablets

Cas:615-28-1

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

1,2-Benzenediamine,hydrochloride (1:2)

Cas:615-28-1

Min.Order:0

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

1,2-Benzenediamine,hydrochloride (1:2)

Cas:615-28-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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

o-phenylenediamine, dihydrochloride

Cas:615-28-1

Min.Order:0

Negotiable

Type:Other

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

1,2-PhenylenediaMine Dihydrochloride [for BiocheMical Research]

Cas:615-28-1

Min.Order:0

Negotiable

Type:Manufacturers

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 615-28-1 with competitive price

Cas:615-28-1

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

1,2-PhenylenediaMine Dihydrochloride

Cas:615-28-1

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

615-28-1

Cas:615-28-1

Min.Order:0

Negotiable

Type:Trading Company

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

1,2-Phenylenediamine Dihydrochloride

Cas:615-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

1,2-Benzenediamine,hydrochloride (1:2)

Cas:615-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Neway Chemicals Co., Ltd.

Best price

1,2-Phenylenediamine Dihydrochloride

Cas:615-28-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemical Solution Industrial

fast delivery, competitive price, good quality, world class quality Storage:Storage in place with condition of being dry and ventilated Package:according to customer's requirement Application:raw material for production Transportation:by express, by

leading factory 1,2-Phenylenediamine Dihydrochloride

Cas:615-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

1,2-Benzenediamine,hydrochloride (1:2) Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shen

1,2-Benzenediamine,hydrochloride (1:2)

Cas:615-28-1

Min.Order:0

Negotiable

Type:Trading Company

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

1,2-Phenylenediamine dihydrochloride

Cas:615-28-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

1,2-Benzenediamine,hydrochloride (1:2)

Cas:615-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

OPD EASY-tablets

Cas:615-28-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

1,1,1-trifluoroacetophenone
434-45-7

1,1,1-trifluoroacetophenone

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-phenyl-1H-benzoimidazole
716-79-0

2-phenyl-1H-benzoimidazole

Conditions
ConditionsYield
In N,N-dimethyl acetamide at 120 - 130℃; for 24h;99.6%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

ethyl acetate
141-78-6

ethyl acetate

2-Methyl-1H-benzimidazole
615-15-6

2-Methyl-1H-benzimidazole

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;99%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

Ethyl propionate
105-37-3

Ethyl propionate

2-ethylbenzimidazole
1848-84-6

2-ethylbenzimidazole

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;99%
ethyl 2-hydroxyacetate
623-50-7

ethyl 2-hydroxyacetate

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-(Hydroxymethyl)benzimidazole
4856-97-7

2-(Hydroxymethyl)benzimidazole

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;97%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

benzil
134-81-6

benzil

2,3-diphenylquinoxaline
1684-14-6

2,3-diphenylquinoxaline

Conditions
ConditionsYield
In water at 230℃; for 0.166667h; Microwave irradiation; Green chemistry;97%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

chloroacetic acid ethyl ester
105-39-5

chloroacetic acid ethyl ester

2-chloromethyl-1H-benzimidazole
4857-04-9

2-chloromethyl-1H-benzimidazole

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;95%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

4-amino-benzoic acid
150-13-0

4-amino-benzoic acid

4-(1H-benzimidazol-2-yl)aniline
2963-77-1

4-(1H-benzimidazol-2-yl)aniline

Conditions
ConditionsYield
With PPA for 0.0833333h; microwave irradiation;94.8%
Ethyl hexanoate
123-66-0

Ethyl hexanoate

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-pentyl-1H-benzoimidazole
5851-46-7

2-pentyl-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;94%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

formic acid ethyl ester
109-94-4

formic acid ethyl ester

benzoimidazole
51-17-2

benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;94%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

diethyl malonate
105-53-3

diethyl malonate

bis(1H-benzo[d]imidazol-2-yl)methane
5999-14-4

bis(1H-benzo[d]imidazol-2-yl)methane

Conditions
ConditionsYield
In ethylene glycol for 0.025h; microwave irradiation;92%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

acetic acid
64-19-7

acetic acid

2-Methyl-1H-benzimidazole
615-15-6

2-Methyl-1H-benzimidazole

Conditions
ConditionsYield
In water for 0.0222222h; microwave irradiation;89.01%
With hydrogenchloride In water for 4h; Inert atmosphere; Reflux;68%
Stage #1: o-phenylenediamine dihydrochloride; acetic acid In water for 0.75h; Reflux;
Stage #2: With ammonia In water
60%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

para-chlorobenzoic acid
74-11-3

para-chlorobenzoic acid

2-(4-chlorophenyl)benzimidazole
1019-85-8

2-(4-chlorophenyl)benzimidazole

Conditions
ConditionsYield
With PPA for 0.075h; microwave irradiation;88.63%
trans-2-chlorocinnamic acid
704-96-1

trans-2-chlorocinnamic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

(E)-2-(2-chlorostyryl)-1H-benzo[d]imidazole
151330-84-6

(E)-2-(2-chlorostyryl)-1H-benzo[d]imidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;88%
(E)-2-methyl-3-(4-nitrophenyl)acrylic acid
13048-77-6, 949-98-4, 13048-76-5

(E)-2-methyl-3-(4-nitrophenyl)acrylic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-[1-methyl-2-(4-nitro-phenyl)-vinyl]-1H-benzoimidazole
336181-48-7

2-[1-methyl-2-(4-nitro-phenyl)-vinyl]-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;88%
3,3-diphenylacrylic acid
606-84-8

3,3-diphenylacrylic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-(2,2-diphenyl-vinyl)-1H-benzoimidazole

2-(2,2-diphenyl-vinyl)-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;86%
4-nitro-trans-cinnamic acid
882-06-4

4-nitro-trans-cinnamic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

(E)-2-(4-nitrostyryl)-1H-benzo[d]imidazole
28940-47-8

(E)-2-(4-nitrostyryl)-1H-benzo[d]imidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;86%
(E)-3-phenylacrylic acid
140-10-3

(E)-3-phenylacrylic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

(E)-2-styryl-1H-benzo[d]imidazole
58758-09-1

(E)-2-styryl-1H-benzo[d]imidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;85%
bromocyane
506-68-3

bromocyane

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

1H-benzimidazol-2-amine
934-32-7

1H-benzimidazol-2-amine

Conditions
ConditionsYield
Stage #1: bromocyane; o-phenylenediamine dihydrochloride With sodium hydrogencarbonate In water; acetonitrile at 0 - 20℃;
Stage #2: With sodium carbonate In water; acetonitrile
85%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

benzoic acid
65-85-0

benzoic acid

2-phenyl-1H-benzoimidazole
716-79-0

2-phenyl-1H-benzoimidazole

Conditions
ConditionsYield
With PPA for 0.075h; microwave irradiation;84.83%
(E)-3-Nitrocinnamic acid
555-68-0

(E)-3-Nitrocinnamic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-(3-nitro-styryl)-1H-benzoimidazole
55969-91-0

2-(3-nitro-styryl)-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;84%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

acetone
67-64-1

acetone

2,2,4-trimethyl-2,3-dihydro-1H-1,5-benzodiazepine
24107-34-4

2,2,4-trimethyl-2,3-dihydro-1H-1,5-benzodiazepine

Conditions
ConditionsYield
In water at 20℃; for 7h;83%
With sodium hydroxide for 18h; Ambient temperature; gas/solid reaction;
-2-methyl-3-(4-chlorophenyl)prop-2-enoic acid
1202-60-4, 66482-40-4, 14328-88-2

-2-methyl-3-(4-chlorophenyl)prop-2-enoic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-[2-(4-chloro-phenyl)-1-methyl-vinyl]-1H-benzoimidazole
336181-46-5

2-[2-(4-chloro-phenyl)-1-methyl-vinyl]-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;83%
3-(4-chlorophenyl)prop-2-enoic acid
1615-02-7

3-(4-chlorophenyl)prop-2-enoic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

(E)-2-(4-chlorostyryl)-1H-benzo[d]imidazole
206982-69-6

(E)-2-(4-chlorostyryl)-1H-benzo[d]imidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;82%
-2-methyl-3-(4-methylphenyl)prop-2-enoic acid
25860-59-7, 66482-35-7, 32655-80-4

-2-methyl-3-(4-methylphenyl)prop-2-enoic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-(1-methyl-2-p-tolyl-vinyl)-1H-benzoimidazole
336181-44-3

2-(1-methyl-2-p-tolyl-vinyl)-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;82%
o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

chloroacetic acid
79-11-8

chloroacetic acid

2-chloromethyl-1H-benzimidazole
4857-04-9

2-chloromethyl-1H-benzimidazole

Conditions
ConditionsYield
In water for 1.5h; Reflux;82%
4-butanolide
96-48-0

4-butanolide

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

3-(1H-Benzoimidazol-2-yl)-propan-1-ol; hydrochloride

3-(1H-Benzoimidazol-2-yl)-propan-1-ol; hydrochloride

Conditions
ConditionsYield
With boric acid In toluene for 12h; Reflux;81%
(E)-3-phenyl-2-butenoic acid
704-80-3

(E)-3-phenyl-2-butenoic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-(2-phenyl-propenyl)-1H-benzoimidazole

2-(2-phenyl-propenyl)-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;80%
2-methyl-3-(3-nitrophenyl)propenoic acid
124525-54-8

2-methyl-3-(3-nitrophenyl)propenoic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

2-[1-methyl-2-(3-nitro-phenyl)-vinyl]-1H-benzoimidazole
336181-47-6

2-[1-methyl-2-(3-nitro-phenyl)-vinyl]-1H-benzoimidazole

Conditions
ConditionsYield
In ethylene glycol for 5h; Condensation; Cycloaddition; Heating;80%
molybdenum(V) chloride
10241-05-1

molybdenum(V) chloride

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

(C6H10N2)(MoOCl5)

(C6H10N2)(MoOCl5)

Conditions
ConditionsYield
With HCl In water N2 atmosphere; diamine dihydrochloride added to the soln. of MoCl5 in 12 M HCl (shaking) and dry HCl passed into the soln. for 1-2 h; redn. of the soln. volume to one third by gently heating; passing dry HCl into the soln. (ice-cooling); pptd. crystals vacuum-filtered, washed with ether/thionyl chloride (1:1) to avoid hydrolysis and dried over KOH; elem. anal.;80%
(E/Z)-16-hydroxyhexadec-9-enoic acid
17278-80-7

(E/Z)-16-hydroxyhexadec-9-enoic acid

o-phenylenediamine dihydrochloride
615-28-1

o-phenylenediamine dihydrochloride

C22H34N2O

C22H34N2O

Conditions
ConditionsYield
In ethylene glycol at 150 - 200℃;79%

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