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Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediates, her

Top Supplier Chlorpheniramine maleate 99%

Cas:113-92-8

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Luhan Pharmachem Co., Ltd

Luhan Pharmachem Co., Ltd. owns strong elite professional quality sales force, has the customer base from the US, Europe, Japan, Southeast Asia, Korea, Hong Kong, Taiwan and other countries and regions, the company operates in accordance with the mod

Chlorphenamine Maleate

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AstaTech ( Chengdu) BioPharmaceutical Corp.

Chengdu AstaTech Chemical Technology Co., Ltd. is a wholly-owned subsidiary of AstaTech (Chengdu) BioPharmaceutical Co., Ltd. It has overall accountability for AstaTech’s product list and sales and promotion of chemical reagents in China. The company

Chlorpheniramine maleate

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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

Chlorpheniramine maleate Manufacturer/High quality/Best price/In stock

Cas:113-92-8

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Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c

99% up GMP DMF Chlorpheniramine maleate 113-92-8

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Chlorpheniramine maleate Cas 113-92-8 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:-20°C Freezer Pac

Hot selling Chlorpheniramine maleate Cas 113-92-8 with high purity

Cas:113-92-8

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C

Chlorpheniramine maleate manufacturer with low price

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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

Factory Supply Chlorpheniramine Maleate

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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

High Quality 99% Chlorpheniramine maleate 113-92-8 ISO Producer

Cas:113-92-8

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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 day 2. The products are provided with COA, HPLC, NMR, quality assurance,

Chlorpheniramine Maleate

Cas:113-92-8

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Hubei DiBo chemical co., LTD

Name:Chlorpheniramine maleate The alias:1-(p-Chlorophenyl)-1-(2-pyridyl)-3-dimethy-laminopropanebimaleate CAS NO:113-92-8 EINECS NO:204-037-5 Molecular formula:C20H23ClN2O4 Molecular weight:390.87 Product Quality 12 years of chemical r

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Cas:113-92-8

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Win-Win chemical Co.Ltd

Stock products, own laboratory Appearance:White to Almost white neat Storage:2-8°C Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai

Chlorpheniramine maleate Cas no.113-92-8 98%

Cas:113-92-8

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

Chlorphenamine maleate

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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

New production CAS 113-92-8 with best quality

Cas:113-92-8

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FOB Price: $139.0 / 210.0

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Hot Sell Factory Supply Raw Material CAS 113-92-8 ,Chlorpheniramine maleate

Cas:113-92-8

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Chlorpheniramine maleate/ LIDE PHARMA- Factory supply / Best price

Cas:113-92-8

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

Chlorpheniramine maleateCAS NO.: 113-92-8

Cas:113-92-8

Min.Order:1 Gram

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to Almost white powder Storage:R T Package:25kg/Barrel Application:Antihistamine. Similar to clodromiton, bromophenopyramide is also an antihistamine. The production method of bromobenzopyramine is also similar to clodromiton, excep

Cheap Price Ready Stock Chlorphenamine maleate

Cas:113-92-8

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Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Shanghai Minstar Chemical Co., Ltd

Product Name: Chlorpheniramine maleate CAS: 113-92-8 MF: C20H23ClN2O4 MW: 390.86 EINECS: 204-037-5 Mol File: 113-92-8.mol Chlorpheniramine maleate Structure Chlorpheniramine maleate Chemical Properties Melting point 130-135 &d

Chlorpheniramine maleate

Cas:113-92-8

Min.Order:1 Gram

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Baoji Guokang Healthchem co.,ltd

Appearance:White Powder Storage:2 Years Package: according to customers' requirements Application:Chlorphenamine is one of the strongest antihistamines Transportation:International express delivery Port: China main port

Chlorpheniramine maleate

Cas:113-92-8

Min.Order:1 Kilogram

FOB Price: $53.0 / 56.0

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Qingdao Beluga Import and Export Co., LTD

Chlorpheniramine maleate CAS:113-92-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic in

Chlorpheniramine maleate CAS:113-92-8

Cas:113-92-8

Min.Order:1 Gram

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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

Chlorpheniramine maleate

Cas:113-92-8

Min.Order:1 Kilogram

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Hubei Jiutian Bio-medical 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 highly qualifie

cas 113-92-8 Chlorpheniramine maleate

Cas:113-92-8

Min.Order:1 Kilogram

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Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

Chlorpheniramine maleate cas:113-92-8

Cas:113-92-8

Min.Order:25 Gram

FOB Price: $90.0 / 100.0

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Lonwin Chemical Group Limited

Chlorpheniramine maleate CAS: 113-92-8 Specification Name Chlorpheniramine maleate EINECS 204-037-5 CAS No. 113-92-8 Density 1.107 g/cm3 PSA 90.73000 LogP 3.53040 Solubility

Factory supply Chlorpheniramine maleate

Cas:113-92-8

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Hangzhou Fandachem Co.,Ltd

Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting Chlorpheniramine maleate CAS:113-92-8, Please contact us by email freely. We are leading exporter in China. If you really need this

Chlorpheniramine maleate CAS:113-92-8 from Fandachem

Cas:113-92-8

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DB BIOTECH CO., LTD

Q1: Are you a manufacturer?Answer: Yes, we are factory founded on 2002. Q2: How to contact with us?Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours. Q3:Which kind of payment terms do yo

High quality Chlorpheniramine maleate powder with factory price

Cas:113-92-8

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Chlorpheniramine maleate

Cas:113-92-8

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Synthetic route

formic acid
64-18-6

formic acid

Didesmethylchlorpheniramine
20619-13-0

Didesmethylchlorpheniramine

maleic acid
110-16-7

maleic acid

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Stage #1: formic acid; Didesmethylchlorpheniramine In water; N,N-dimethyl-formamide at 100℃; for 24h;
Stage #2: maleic acid In isopropyl alcohol at 80℃; for 2h;
88.8%
2-(4-chlorobenzyl)pyridine
4350-41-8

2-(4-chlorobenzyl)pyridine

2-(dimethylamino)ethyl chloride
107-99-3

2-(dimethylamino)ethyl chloride

maleic acid
110-16-7

maleic acid

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Stage #1: 2-(4-chlorobenzyl)pyridine With sodium amide In toluene Reflux;
Stage #2: 2-(dimethylamino)ethyl chloride In toluene for 6h; Reflux;
Stage #3: maleic acid In water
54.4%
Stage #1: 2-(4-chlorobenzyl)pyridine With sodium amide In toluene Reflux;
Stage #2: 2-(dimethylamino)ethyl chloride In toluene for 6h; Reflux;
Stage #3: maleic acid In toluene
22.4 g
p-chlorobenzyl cyanide
140-53-4

p-chlorobenzyl cyanide

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: cobaltocene / 4 h / 150 - 170 °C / Autoclave
2.1: sodium amide / tetrahydrofuran / 1 h / 20 - 25 °C
2.2: 2 h / 30 - 45 °C
3.1: ethanol / 2.5 h / -2 - 0 °C
View Scheme
maleic acid
110-16-7

maleic acid

Chlorpheniramine
132-22-9

Chlorpheniramine

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
In ethanol at -2 - 0℃; for 2.5h;350 g
With pyrographite In ethanol at 80℃; for 1.5h; Temperature; Large scale;
With pyrographite In ethanol at 80℃; for 2h; Temperature;

2-(4-chlorobenzyl)pyridine

2-(4-chlorobenzyl)pyridine

maleic acid
110-16-7

maleic acid

chlorphenamine maleate

chlorphenamine maleate

Conditions
ConditionsYield
Stage #1: 2-(4-chlorobenzyl)pyridine With sodium amide In toluene Reflux;
Stage #2: 2-(N,N-dimethylamino)ethyl bromide In toluene for 6h; Reflux;
Stage #3: maleic acid In toluene
24.1 g

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: manganese; trifluoroacetic acid / acetonitrile / 0.17 h
1.2: 12 h / 30 - 40 °C
2.1: sodium amide / toluene / Reflux
2.2: 6 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1.1: manganese; trifluoroacetic acid / acetonitrile / 0.17 h
1.2: 12 h / 30 - 40 °C
2.1: sodium amide / toluene / Reflux
2.2: 6 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1.1: manganese; trifluoroacetic acid / acetonitrile / 0.17 h
1.2: 12 h / 30 - 40 °C
2.1: sodium amide / toluene / Reflux
2.2: 6 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1.1: manganese; trifluoroacetic acid / acetonitrile / 0.17 h
1.2: 12 h / 30 - 40 °C
2.1: sodium amide / toluene / 0.33 h / 20 °C
2.2: 8 h / Reflux
3.1: water; N,N-dimethyl-formamide / 24 h / 100 °C
3.2: 2 h / 80 °C
View Scheme
1-Chloro-4-(chloromethyl)benzene
104-83-6

1-Chloro-4-(chloromethyl)benzene

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: manganese; trifluoroacetic acid / acetonitrile / 0.17 h
1.2: 12 h / 30 - 40 °C
2.1: sodium amide / toluene / Reflux
2.2: 6 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1.1: manganese; trifluoroacetic acid / acetonitrile / 0.17 h
1.2: 12 h / 30 - 40 °C
2.1: sodium amide / toluene / 0.33 h / 20 °C
2.2: 8 h / Reflux
3.1: water; N,N-dimethyl-formamide / 24 h / 100 °C
3.2: 2 h / 80 °C
View Scheme
4-(2-Pyridinylmethyl)phenylamine
58498-12-7

4-(2-Pyridinylmethyl)phenylamine

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium nitrite; hydrogenchloride / water / 0.33 h / 0 - 5 °C
1.2: 4 h / 20 °C
2.1: sodium amide / toluene / Reflux
2.2: 6 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1.1: sodium nitrite; hydrogenchloride / water / 0.33 h / 0 - 5 °C
1.2: 4 h / 20 °C
2.1: sodium amide / toluene / 0.33 h / 20 °C
2.2: 8 h / Reflux
3.1: water; N,N-dimethyl-formamide / 24 h / 100 °C
3.2: 2 h / 80 °C
View Scheme
2-(4-chlorobenzyl)pyridine
4350-41-8

2-(4-chlorobenzyl)pyridine

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium amide / toluene / 0.33 h / 20 °C
1.2: 8 h / Reflux
2.1: water; N,N-dimethyl-formamide / 24 h / 100 °C
2.2: 2 h / 80 °C
View Scheme
potassium pentacyanonitrosylchromate(III) monohydrate

potassium pentacyanonitrosylchromate(III) monohydrate

chlorphenamine maleate
113-92-8

chlorphenamine maleate

{Cr(NO)(CN)2(chloropheniramine maleate)2(H2O)}

{Cr(NO)(CN)2(chloropheniramine maleate)2(H2O)}

Conditions
ConditionsYield
With CH3COOH In acetic acid byproducts: CH3COOK, H2O, HCN; aq. acetic acid; 20-30 min, 80°C; CO2 bubbled (few h) to remove HCN; ppt. filtered, washed (H2O repeatedly; ethanol); dried (vac., over silica gel, room temp., to const. wt.); elem.anal.;55%
cobalt(II) nitrate hexahydrate

cobalt(II) nitrate hexahydrate

salicylaldehyde anthranilic acid
122630-45-9, 150063-91-5, 7361-93-5

salicylaldehyde anthranilic acid

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Co(OC6H4CHNC6H4COO)(C5H4NCH(CH2CH2N(CH3)2)C6H4Cl)(H2O)*(HCCOOH)2
151958-93-9

Co(OC6H4CHNC6H4COO)(C5H4NCH(CH2CH2N(CH3)2)C6H4Cl)(H2O)*(HCCOOH)2

Conditions
ConditionsYield
In ethanol byproducts: HNO3; refluxing ethanolic solns. of metal salt, schiff base and heterocyclic base in 1:1:1 molar ratio for 2-5 h, pptn.; filtn., washing with ethanol, drying in vacuo, elem. anal.;53%
tetracyanodinitrosylmolybdate(0)

tetracyanodinitrosylmolybdate(0)

chlorphenamine maleate
113-92-8

chlorphenamine maleate

Mo(NO)2(CN)2(C5H4NCH(CH2CH2N(CH3)2)C6H4Cl)2*2(CHCOOH)2*2H2O=(Mo(NO)2(CN)2(C16H19N2Cl)2)*((CHCOOH)2)2*2H2O

Mo(NO)2(CN)2(C5H4NCH(CH2CH2N(CH3)2)C6H4Cl)2*2(CHCOOH)2*2H2O=(Mo(NO)2(CN)2(C16H19N2Cl)2)*((CHCOOH)2)2*2H2O

Conditions
ConditionsYield
In water; acetic acid addn. of ligand in a mixt. of water/acetic acid to a filtered aq. soln. of molybdate with shaking, refluxing for 4-5 h over a hot plate at 80°C; filtn. by suction, washing several times with dilute acetic acid, finally with water, drying in vacuo at room temp. to a constant weight, elem. anal.;52%
cobalt(II) nitrate hexahydrate

cobalt(II) nitrate hexahydrate

chlorphenamine maleate
113-92-8

chlorphenamine maleate

2-(salicylideneamino)thiophenol
3449-05-6

2-(salicylideneamino)thiophenol

Co(OC6H4CHNC6H4S)(C5H4NCH(CH2CH2N(CH3)2)C6H4Cl)(H2O)*(HCCOOH)2
151987-76-7

Co(OC6H4CHNC6H4S)(C5H4NCH(CH2CH2N(CH3)2)C6H4Cl)(H2O)*(HCCOOH)2

Conditions
ConditionsYield
In ethanol byproducts: HNO3; refluxing ethanolic solns. of metal salt, schiff base and heterocyclic base in 1:1:1 molar ratio for 2-5 h, pptn.; filtn., washing with ethanol, drying in vacuo, elem. anal.;50%
chlorphenamine maleate
113-92-8

chlorphenamine maleate

A

dextrochlorpheniramine maleate
2438-32-6

dextrochlorpheniramine maleate

B

(-)-Chlorpheniramine maleate
23095-76-3

(-)-Chlorpheniramine maleate

Conditions
ConditionsYield
With sodium dihydrogenphosphate; phosphoric acid In methanol; water pH=2.75; Reagent/catalyst; Ionic liquid; Resolution of racemate;
With maleic anhydride-β-cyclodextrin modified Fe3O4 Resolution of racemate; Optical yield = 13.7 %ee;
With tetramethylammonium hydroxyproline; clindamycin phosphate In methanol; water at 20℃; pH=7.6; pH-value; Solvent; Temperature; Resolution of racemate; enantioselective reaction;
With β‐cyclodextrin In aq. phosphate buffer pH=2.5; Resolution of racemate;
chlorphenamine maleate
113-92-8

chlorphenamine maleate

2C16H19ClN2*2C4H4O4*2Na(1+)*C20H6Br4O5(2-)

2C16H19ClN2*2C4H4O4*2Na(1+)*C20H6Br4O5(2-)

Conditions
ConditionsYield
In water at 23℃; for 0.166667h; pH=3.72; Solvent; pH-value; Temperature;

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