With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:2187-88-4
Min.Order:1 Kilogram
FOB Price: $8.0 / 15.0
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:2187-88-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1,4,5,8-Naphthalenetetramine CAS:2187-88-4 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 orga
Cas:2187-88-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:2187-88-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:2187-88-4
Min.Order:1 Kilogram
FOB Price: $40.0 / 50.0
Type:Lab/Research institutions
inquiryHenan 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
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:2187-88-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry1.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:2187-88-4
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:2187-88-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:2187-88-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:2187-88-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:White to Off-White Solid Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by Sea
Cas:2187-88-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
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
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:2187-88-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirylaboratory Application:Synthetic building block
Cas:2187-88-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, 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
Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom
Cas:2187-88-4
Min.Order:5 Gram
Negotiable
Type:Lab/Research institutions
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Prompt reaction, good quality and best service make us reliable and outstanding in this industry.Appearance:yellow to white solid or po
1,4,5,8-NaphthalenetetramineAppearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By c
1,4,5,8-NaphthalenetetramineAppearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid damaging the packages. Protec
Conditions | Yield |
---|---|
With tin(ll) chloride In hydrogenchloride; ethanol at 40℃; for 2.5h; | 82% |
Nitroethane
1,4,5,8-tetra(amino)naphthalene
2,7-dimethylpyrimido[4,5,6-gh]perimidine
Conditions | Yield |
---|---|
With polyphosphoric acid at 110℃; for 3h; | 78% |
1-nitro-1-phenylmethane
1,4,5,8-tetra(amino)naphthalene
2,7-diphenylpyrimido[4,5,6-gh]perimidine
Conditions | Yield |
---|---|
With polyphosphoric acid at 150℃; for 8h; | 63% |
nitromethane
1,4,5,8-tetra(amino)naphthalene
pyrimido[4,5,6-gh]perimidine
Conditions | Yield |
---|---|
With polyphosphoric acid at 100℃; for 14h; | 56% |
1,4,5,8-tetra(amino)naphthalene
naphtho<1,8-cd:5,4-c'd'>bis<1,2,6>thia(SIV)diazine
Conditions | Yield |
---|---|
With 1-piperidinosulfenyl chloride In diethyl ether at -20℃; | 25% |
1,4,5,8-tetra(amino)naphthalene
dimethyl sulfate
1,4,5,8-Tetrakis(dimethylamino)naphthalene
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 25 - 60℃; | 14% |
1,4,5,8-tetra(amino)naphthalene
A
tris(dimethylamino)iminophosphorane hydrobromide
B
1,6-bis(dimethylamino)-2,5,7,10-tetraazo-1,6λ5-diphosphapyrene
Conditions | Yield |
---|---|
Stage #1: 1,4,5,8-tetra(amino)naphthalene; tris(dimethylamino)-bromophosphonium bromide With triethylamine In chlorobenzene at 20℃; for 72h; Inert atmosphere; Stage #2: With sodium hexamethyldisilazane In chlorobenzene; toluene for 24h; Inert atmosphere; | A n/a B 2.14% |
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