DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:88-46-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur advantages: 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 out in 24 hours after payment.Tracking number available 2) Secure and disc
Cas:88-46-0
Min.Order:1 Kilogram
FOB Price: $150.0 / 200.0
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:88-46-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry2,5-dihydroxybenzenesulphonic acid CAS:88-46-0 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
Cas:88-46-0
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:88-46-0
Min.Order:1 Kilogram
Negotiable
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
Cas:88-46-0
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:88-46-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:88-46-0
Min.Order:1 Kilogram
FOB Price: $2.0
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:88-46-0
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
Cas:88-46-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2,5-DIHYDROXYBENZENESULFONIC ACIDAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Good 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
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
Watson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
Cas:88-46-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHydroquinonesulfonic Acid (Dobesilic Acid) 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/
Cas:88-46-0
Min.Order:0
Negotiable
Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and
Cas:88-46-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryHigh purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
Cas:88-46-0
Min.Order:0
Negotiable
Type:Trading Company
inquirydobesilate
Conditions | Yield |
---|---|
With water; sodium hydroxide at 40℃; for 2h; Temperature; | 91.1% |
Conditions | Yield |
---|---|
With sulfur dioxide In not given 0-80°C; | A 20% B 80% |
With SO2 In not given 0-80°C; | A 20% B 80% |
With sulphurous acid |
p-benzoquinone
sodium sulfite
A
dobesilate
B
hydroquinone
C
dithionic acid
Conditions | Yield |
---|---|
byproducts: H2SO4; slight amount of Na2S2O6; | A 57% B 3% C n/a |
byproducts: H2SO4; slight amount of Na2S2O6; | A 57% B 3% C n/a |
Conditions | Yield |
---|---|
addn. of alkali; | 35% |
addn. of alkali; | 35% |
Conditions | Yield |
---|---|
With sodium hydroxide at 200℃; in einem Kupferkessel; |
Conditions | Yield |
---|---|
With sulfuric acid at 50 - 100℃; Kinetik; | |
With oxygen; sodium sulfite | |
Darst. durch Sulfurieren; |
Conditions | Yield |
---|---|
With sodium sulfite |
Conditions | Yield |
---|---|
With sodium sulfite |
hydroquinone
A
1,4-bis-sulfooxy-benzene
B
sulfuric acid mono-(4-hydroxy-phenyl ester)
C
dobesilate
Conditions | Yield |
---|---|
With sulfur trioxide In nitromethane-d3 at 20℃; Product distribution; (with 1 equiv. SO3); product distribution between 10 and 10000 min; |
hydroquinone
A
sulfuric acid mono-(4-hydroxy-phenyl ester)
B
2,5-dihydroxybenzene-1,4-disulphonic acid
C
dobesilate
D
2,5-dihydroxy-benzene-1,3-disulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid In water at 25℃; for 18.8889h; Product distribution; Rate constant; various times, concentrations; |
Conditions | Yield |
---|---|
unter einer Glasglocke; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: chlorosulfonic acid / 1,2-dichloro-ethane / 2.5 h / 5 - 90 °C 2: sodium hydroxide; water / 2 h / 40 °C View Scheme |
dabigatran etexilate
dobesilate
Conditions | Yield |
---|---|
In ethyl acetate at 30℃; Solvent; Temperature; | 92% |
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