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
Cas:942-06-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:942-06-3
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryOur 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
Cas:942-06-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWITH 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
Cas:942-06-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.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
Cas:942-06-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:942-06-3
Min.Order:20 Metric Ton
Negotiable
Type:Trading Company
inquiryJ&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
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:942-06-3
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryHigh Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm
Cas:942-06-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
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
Cas:942-06-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryQ1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.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 you
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
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
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,3-Isobenzofurandione,5,6-dichloro- cas 942-06-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:942-06-3
Min.Order:0
Negotiable
Type:Other
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:942-06-3
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:942-06-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryCompound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAt Capot,We can synthesize and purify your complex molecules from 100 gram to 10 tons.Appearance:Clear colorless to light yellow liquid Storage:Dry,Seal and Cool place Package:1G,5G,10G,25G,100G,250G,500G,1KG,5KG,10KG,25KG,50KG,100KG,150KG,200KG. App
Cas:942-06-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 4,5-DICHLOROPHTHALIC ANHYDRIDE, CAS:942-06-3 with the most competitive price and the
1 good quality, better price and bettter service;2 Timely delivery;3 100% refunded if parcel is not delivered or poor quality.We will try to satisfy you upon receipt of your reply. I hope that we can become a long-term cooperative partner. Applicatio
Cas:942-06-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry4,5-dichlorophthalic acid
4,5-dichlorophthalic anhydride
Conditions | Yield |
---|---|
With acetyl chloride for 2h; Reflux; | 100% |
With acetic anhydride for 2h; Heating; | 97% |
With acetic anhydride at 165℃; for 5h; | 96% |
Conditions | Yield |
---|---|
99.6% |
Conditions | Yield |
---|---|
With alkaline solution; chlorine in Gegenwart von Antimon-Salzen; |
phthalic anhydride
A
4-chlorophthalic anhydride
B
3-chlorophthalic anhydride
C
4,5-dichlorophthalic anhydride
D
4,6-dichloroisobenzofuran-1,3-diketone
Conditions | Yield |
---|---|
With chlorine at 390℃; Product distribution; var. temp, var. conc. of Cl2; | |
With chlorine at 420℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With chlorine at 390℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
phthalic anhydride
sulfuric acid
iodine
chlorine
A
4,5-dichlorophthalic anhydride
B
3,6-dichlorophthalic anhydride
C
3,4-dichlorophthalic anhydride
Conditions | Yield |
---|---|
at 40 - 60℃; |
4,5-dichlorophthalic anhydride
Conditions | Yield |
---|---|
With bromine In 1,2,3-trichlorobenzene |
4,5-dichlorophthalic acid
A
4,5-dichlorophthalic anhydride
Conditions | Yield |
---|---|
With sodium percarbonate In dichloromethane for 24h; Inert atmosphere; Overall yield = 56 %; Overall yield = 12 g; |
methanol
4,5-dichlorophthalic anhydride
4,5-dichloro-2-methoxycarbonyl benzoic acid
Conditions | Yield |
---|---|
With sodium methylate | 100% |
for 18h; Reflux; | 87% |
4,5-dichlorophthalic anhydride
4,5-dichlorophthalimide
Conditions | Yield |
---|---|
With formamide at 180 - 190℃; | 100% |
With formamide for 3h; Heating; | 98% |
With formamide for 0.0666667h; microwave irradiation; | 96% |
4,5-dichlorophthalic anhydride
4,5-dichloro-2-methoxycarbonyl benzoic acid
Conditions | Yield |
---|---|
Stage #1: 4,5-dichlorophthalic anhydride With sodium methylate In methanol for 12h; Heating / reflux; Stage #2: With hydrogenchloride In methanol; water | 99.5% |
Stage #1: 4,5-dichlorophthalic anhydride With sodium methylate In methanol for 12h; Heating / reflux; Stage #2: With hydrogenchloride In methanol; water | 99.5% |
In methanol |
4,5-dichlorophthalic anhydride
4,5-dichlorobenzene-1,2-dimethanol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; | 98% |
With lithium aluminium tetrahydride In tetrahydrofuran for 2.5h; Reflux; | 81% |
With lithium aluminium tetrahydride In tetrahydrofuran for 5h; Cooling with ice; Reflux; | 57% |
Conditions | Yield |
---|---|
With acetic acid at 120℃; for 8h; | 98% |
4,5-dichlorophthalic anhydride
4-amino-n-butyric acid
4-(4,5-Dichlorophthalimido)butanoic acid
Conditions | Yield |
---|---|
In xylene for 24h; Heating; | 96% |
With acetic acid at 100℃; for 3h; | 96% |
2-thienyl lithium
4,5-dichlorophthalic anhydride
2-(2-theonyl)-4,5-dichlorobenzoic acid
Conditions | Yield |
---|---|
96% |
4,5-dichlorophthalic anhydride
5'-O-(4-4'-dimethoxytrityl)thymidine
triethylamine
Conditions | Yield |
---|---|
With dmap In pyridine for 6h; | 96% |
With pyridine; dmap at 20℃; for 6h; | 96% |
Conditions | Yield |
---|---|
With aq. NaOH; zinc | 95% |
4,5-dichlorophthalic anhydride
3,4,5-Trimethoxyaniline
5,6-dichloro-2-(3,4,5-trimethoxyphenyl)isoindoline-1,3-dione
Conditions | Yield |
---|---|
With acetic acid for 12h; Reflux; | 95% |
3,4,5-trimethoxybenzylamine
4,5-dichlorophthalic anhydride
Conditions | Yield |
---|---|
With acetic acid for 4h; Reflux; | 95% |
4,5-dichlorophthalic anhydride
4-methoxy-aniline
N-(p-methoxyphenyl)-4,5-dichlorophthalimide
Conditions | Yield |
---|---|
With acetic acid for 2h; Heating; | 93% |
2-(aminoethyl)pyridine
4,5-dichlorophthalic anhydride
5,6-dichloro-2-[2-(pyridin-2-yl)ethyl]isoindoline-1,3-dione
Conditions | Yield |
---|---|
Stage #1: 2-(aminoethyl)pyridine; 4,5-dichlorophthalic anhydride With acetic acid for 6h; Reflux; Stage #2: With sodium hydrogencarbonate | 93% |
4,5-dichlorophthalic anhydride
glycine
2-(5,6-dichloro-1,3-dioxoisoindolin-2-yl)acetic acid
Conditions | Yield |
---|---|
In xylene for 24h; Heating; | 92% |
In 5,5-dimethyl-1,3-cyclohexadiene at 160℃; for 40h; | 92% |
In 5,5-dimethyl-1,3-cyclohexadiene at 160℃; for 4h; | 92% |
4,5-dichlorophthalic anhydride
L-cyclohexylalanine
(S)-3-cyclohexyl-2-(5,6-dichloro-1,3-dioxoisoindolin-2-yl)propanoic acid
Conditions | Yield |
---|---|
With triethylamine In toluene Reflux; Dean-Stark; | 92% |
4,5-dichlorophthalic anhydride
benzylamine
2-benzyl-5,6-dichloroisoindoline-1,3-dione
Conditions | Yield |
---|---|
With acetic acid for 3h; Reflux; Inert atmosphere; Schlenk technique; | 92% |
With acetic acid at 120℃; for 2h; Inert atmosphere; Schlenk technique; | 91% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 120℃; for 9h; | 92% |
4,5-dichlorophthalic anhydride
pararosaniline
4,4',4''-tris(4,5-dichlorophthalimido)tritanol
Conditions | Yield |
---|---|
With acetic anhydride In pyridine at 150℃; for 2h; | 91% |
In pyridine at 80℃; for 1h; Yield given; |
4,5-dichlorophthalic anhydride
methylamine hydrochloride
4,5-Dichloro-N-methylphthalimide
Conditions | Yield |
---|---|
With sodium acetate In acetic acid for 1h; Heating; | 91% |
4,5-dichlorophthalic anhydride
ethyl acetoacetate
2-Ethoxycarbonyl-5,6-dichlorindan-1,3-dione
Conditions | Yield |
---|---|
With acetic anhydride; triethylamine for 24h; | 91% |
4,5-dichlorophthalic anhydride
(+/-)-3-chloromethyl-2-hydroxymethyl-1-methyl-2,5-dihydropyrrolium chloride
(+/-)-6,7-O,O-(4,5-Dichlorophthaloyl)synthanecine A
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide for 24h; Ambient temperature; | 91% |
(2-aminomethylpyridine)
4,5-dichlorophthalic anhydride
5,6-dichloro-2-(pyridin-2-yl-methyl)isoindoline-1,3-dione
Conditions | Yield |
---|---|
Stage #1: 2-(Aminomethyl)pyridine; 4,5-dichlorophthalic anhydride With acetic acid for 6h; Reflux; Stage #2: With sodium hydrogencarbonate | 91% |
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride; acetic acid for 12h; Reflux; | 91% |
With acetic acid for 4h; Reflux; |
Conditions | Yield |
---|---|
In toluene at 120℃; for 5h; | 91% |
With sulfuric acid In toluene at 120℃; for 5h; | 91% |
Conditions | Yield |
---|---|
With sodium acetate; acetic acid for 12h; Reflux; | 91% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In toluene Dean-Stark; Reflux; | 91% |
Conditions | Yield |
---|---|
With aluminium trichloride; sodium chloride at 220℃; for 1.5h; Friedel-Crafts reaction; | 90% |
With boric acid at 190℃; beim Behandeln das Reaktionsprodukt bei 150-165grad mit 94prozentiger Schwefelsaeure; | |
With aluminium trichloride; sodium chloride at 200 - 220℃; |
Conditions | Yield |
---|---|
With acetic acid; hydrazine at 70℃; Inert atmosphere; | 90% |
Stage #1: 4,5-dichlorophthalic anhydride With hydrazine hydrate Inert atmosphere; Stage #2: With hydrogenchloride In water for 24h; Reflux; Inert atmosphere; | 84% |
With hydrazine In ethanol at 20℃; for 2h; Reflux; | 76% |
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