1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White to Light Yellow Crystalline Powder Storage:cool and dry pla
Cas:68-89-3
Min.Order:25 Kilogram
FOB Price: $15.0
Type:Trading Company
inquiry1.Appearance:white or almost white crystalline powder 2.Assay:above 98% 3.competitive price Appearance:white or almost white,crystalline powder Storage:storage in ambient temperature Package:25kg/bag Application:analgesic-antipyretic Port:ShangHa
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
Cas:68-89-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryWe are very compeitive on Metamizole sodium.Our mfr is GMP certified for this item with CEP document. Product Name: Metamizole sodium CAS: 68-89-3 MF: C13H16N3NaO4S MW: 333.34 EINECS: 200-
Cas:68-89-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:68-89-3
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:68-89-3
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:68-89-3
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FOB Price: $1.0 / 3.0
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inquirygood quality Appearance:white powder Storage:cold storage Package:meet the demand of customer Application:diagnostic reagent Transportation:by sea or by air Port:shanghai
Cas:68-89-3
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryThe 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
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
Cas:68-89-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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
Name:metamizole sodium CAS no:68-89-3 Grade:Scientific research and export Molecular formula:C13H16N3NaO4S Molecular weight:333.33900 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Dat
Cas:68-89-3
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryWith 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:68-89-3
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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:68-89-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryJinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu
1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:68-89-3
Min.Order:1 Kilogram
FOB Price: $20.0 / 24.0
Type:Trading Company
inquiryAppearance:White crystalline powder Storage:ln stock Package:25kg/Barrel Application:Antipyretic and analgesic and non-steroidal anti-inflammatory and analgesic raw materials Transportation:Express/Sea/Air Port:Any port of china
Cas:68-89-3
Min.Order:1 Kilogram
FOB Price: $10.0 / 15.0
Type:Lab/Research institutions
inquiryOur 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 qu
Cas:68-89-3
Min.Order:10 Gram
Negotiable
Type:Other
inquiryHanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr
Cas:68-89-3
Min.Order:1 Kilogram
FOB Price: $200.0 / 400.0
Type:Trading Company
inquiry1,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 intermed
Cas:68-89-3
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:68-89-3
Min.Order:1 Kilogram
FOB Price: $85.0 / 100.0
Type:Trading Company
inquiryMetamizole sodium CAS:68-89-3 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 intermedia
Cas:68-89-3
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:68-89-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1,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:68-89-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful
Cas:68-89-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryDipyrone CAS: 68-89-3 Specification Item Standard Identification A.H-NMR:Comply with the structure B.LC-MS:Comply with the structure C.The IR spectrum of sample s
1. 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
Appearance:white powder Storage:Cool Dry Place Package:1-5KG/Tin or Bag,25KG/Drum, 200KG/Drum Application:Mainly used in antifebrile, also used in the treatment of acute rheumatic arthritis, headache, muscle aches and pains, toothache etc.. Transp
Cas:68-89-3
Min.Order:1 Kilogram
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Type:Trading Company
inquiryOur 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
Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other
Cas:68-89-3
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Type:Trading Company
inquirymetamizol
Metamizol
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 20 - 30℃; for 1h; Solvent; Reagent/catalyst; | 93.3% |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 60℃; for 3h; | 86.7% |
In water for 4h; Irradiation; Yield given; |
Conditions | Yield |
---|---|
With acetone for 0.333333h; Inert atmosphere; Darkness; Reflux; | 82% |
metamizol
Oxalsaeure-mono(2-acetyl-2-methyl-1-phenyl)hydrazid
Conditions | Yield |
---|---|
With dihydrogen peroxide for 0.0833333h; | 79% |
metamizol
nickel(II) acetate tetrahydrate
(1-phenyl-2,3-dimethyl-5-pyrazolone-4-methylaminomethane sulphonate)nickel(II)
Conditions | Yield |
---|---|
In ethanol for 1 - 3h; Reflux; | 77% |
metamizol
(1-phenyl-2,3-dimethyl-5-pyrazolone-4-methylaminomethane sulphonate)cobalt(II)
Conditions | Yield |
---|---|
In ethanol for 1 - 3h; Reflux; | 73% |
metamizol
Conditions | Yield |
---|---|
In ethanol for 1 - 3h; Reflux; | 68% |
metamizol
Conditions | Yield |
---|---|
In hydrogenchloride satg. 6 M HCl with (NH4)2(ReCl6); treating soln. with ethanol satd. with NaC13H16N3O4S (25°C, magnetic stirring);; pptn.; rinsing with 6 M HCl; drying to const. wt. at 105°C; elem. anal. (Re is partially oxidized);; | 50% |
tetracyanodinitrosylmanganate(0)
metamizol
Conditions | Yield |
---|---|
In acetic acid aq. acetic acid; refluxing (80°C, 2 h); ppt. washing (dild. acetic acid, water), drying (vac.); elem. anal.; | 40% |
metamizol
Conditions | Yield |
---|---|
In hydrogen bromide aq. HBr; satg. 6 M HBr with K2(ReBr6); treating soln. with ethanol satd. with NaC13H16N3O4S (25°C, magnetic stirring);; pptn.; rinsing with 6 M HBr; drying to const. wt. at 105°C; elem. anal. (Re is partially oxidized);; | 35% |
metamizol
1-phenyl-3,4-dimethyl-5-hydroxy-imidazoline-2-on
Conditions | Yield |
---|---|
In water at 20℃; for 1.5h; Product distribution; Irradiation; photochemical decomposition studies to different products at different times; | 32% |
In water at 20℃; for 1.5h; Irradiation; | 32% |
metamizol
A
3-Methyl-1-phenyl-2-pyrazoline-4,5-dione
B
1-acetyl-1-methyl-2-phenylhydrazine
D
Glyoxilic acid
E
4-hydroxyantipyrine
F
5-hydroxy-1,5-dimethyl-3-phenyl-imidazolidine-2,4-dione
Conditions | Yield |
---|---|
In water Kinetics; Irradiation; photochemical decomposition, λ=254 nm; |
metamizol
A
4-amino-2,3-dimethyl-1-phenylpyrazolin-5-one
B
4-methylaminoantipyrine
Conditions | Yield |
---|---|
In water Kinetics; Irradiation; photochemical decomposition, λ=254 nm; |
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; for 0.5h; |
metamizol
A
phenyl isocyanate
B
1,5-dimethyl-3-phenyl-2,4-imidazolidinedione
F
Formanilid
Conditions | Yield |
---|---|
In water Kinetics; Irradiation; photochemical decomposition, λ=254 nm; |
metamizol
A
phenyl isocyanate
E
1-phenyl-3,4-dimethylimidazol-2(1H)-one
F
Formanilid
Conditions | Yield |
---|---|
In water Kinetics; Irradiation; photochemical decomposition, λ=254 nm; |
metamizol
1,5,1',5'-tetramethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-(N,N'-dimethyl-N,N'-methanediyl-diamino)-bis-pyrazol-3-one
Conditions | Yield |
---|---|
With sodium hydroxide Ambient temperature; |
metamizol
A
1-acetyl-1-methyl-2-phenylhydrazine
B
Methylaminooxoessigsaeure-2-acetyl-2-methyl-1-phenylhydrazid
C
Oxalsaeure-mono(2-acetyl-2-methyl-1-phenyl)hydrazid
Conditions | Yield |
---|---|
With sodium hydroxide; phosphate buffer; dihydrogen peroxide In water for 24h; Product distribution; Ambient temperature; var. of pH; |
hydrogenchloride
water
metamizol
A
4-methylaminoantipyrine
B
aminopyrine
hydrogenchloride
water
metamizol
A
4-methylaminoantipyrine
B
1,5,1',5'-tetramethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-(N,N'-dimethyl-N,N'-methanediyl-diamino)-bis-pyrazol-3-one
Conditions | Yield |
---|---|
With sodium hydroxide at 100℃; for 0.5h; Mechanism; dependence from temperature; |
(±)-3-(1-(dimethylamino)-2-methylpentan-3-yl)phenol
metamizol
Conditions | Yield |
---|---|
In acetone at 20 - 40℃; |
metamizol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / ethanol / 1 h / 20 - 30 °C 2: magnesium oxide / isopropyl alcohol / 3 h / 20 - 30 °C View Scheme |
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