Welcome 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:33332-29-5
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryHigh quality 2-Amino-5-chloropyrazine CAS 33332-29-5 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Fe
Cas:33332-29-5
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
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:33332-29-5
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
Cas:33332-29-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:33332-29-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:33332-29-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur 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
Cas:33332-29-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAdvantage : 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&
Cas:33332-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 2-Amino-5-chloropyrazine CAS No.: 33332-29-5 Molecular formula: C4H4ClN3 Molecular weight: 129 Appearance: light yellow or yellow powder Appearance:light yellow or yell
Cas:33332-29-5
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:33332-29-5
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
Cas:33332-29-5
Min.Order:1 Kilogram
FOB Price: $16.0 / 20.0
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:33332-29-5
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryour strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
Cas:33332-29-5
Min.Order:1 Gram
Negotiable
Type:Other
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:33332-29-5
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:33332-29-5
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:33332-29-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:33332-29-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:33332-29-5
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryProduct Name: 2-Amino-5-chloropyrazine Synonyms: 2-AMINO-5-CHLOROPYRAZINE 98%;2-AMINO-5-CHLOROPYRAZINE 98+%;5-chloropyrazin-2-amine;5-Amino-2-chloropyrazine;A90103;2- aMino-5- chlorinepyrazine;2-AMINO-5-CHLOROPYRAZINE;5-Chloropyrazin-2-amine,
Cas:33332-29-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:33332-29-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Cas:33332-29-5
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
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
Shandong Mopai Biotechnology 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 chemicals. W
Cas:33332-29-5
Min.Order:1 Gram
Negotiable
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:33332-29-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:33332-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
2-Aminopyrazine
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With N-chloro-N-methoxybenzenesulfonamide In acetonitrile at 50℃; for 5h; | 80% |
With N-chloro-N-methoxy-4-methylbenzenesulfonamide In acetonitrile at 40℃; for 4h; Reagent/catalyst; Temperature; | 80% |
With Selectfluor; lithium chloride In N,N-dimethyl-formamide at 15℃; for 12h; Inert atmosphere; Schlenk technique; Sealed tube; regioselective reaction; | 60% |
2-Aminopyrazine
A
3-chloropyrazin-2-amine
B
2-amino-5-chloropyrazine
C
3,5-dichloro-pyrazin-2-ylamine
Conditions | Yield |
---|---|
With N-chloro-succinimide In acetonitrile at 20℃; for 72h; | A n/a B 57% C 13% |
pyridinium N-(3'-bromo-5'-chloropyrazin-2'-yl)aminide
A
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane; potassium carbonate In acetonitrile; benzene at 80℃; for 24h; | A 10% B 52% |
With 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane; potassium carbonate In acetonitrile; benzene at 80℃; for 24h; | A 10% B 52% |
2-Aminopyrazine
A
2-amino-5-chloropyrazine
B
3,5-dichloro-pyrazin-2-ylamine
Conditions | Yield |
---|---|
With N-chloro-succinimide In chloroform for 2h; Product distribution / selectivity; Heating / reflux; | A 4% B 14% |
3-aminopyrazine 1-oxide
A
3-chloropyrazin-2-amine
B
2-amino-5-chloropyrazine
C
2-amino-6-chloropyrazine
Conditions | Yield |
---|---|
With trichlorophosphate for 2h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With trichlorophosphate for 2h; Product distribution; Mechanism; Heating; other substituted pyrazine-1-oxides and products, deoxygenation/chlorination competition; other time; |
3-amino-6-chloropyrazine-2-carboxylic acid methyl ester
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With sodium hydroxide In diphenylether; water |
3-aminopyrazinoic acid
Methyl 3-amino-2-pyrazinecarboxylate
1-methyl-3-(4-methylphenyl)-triazene
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
In tetrahydrofuran; diethyl ether; water; acetic acid |
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With tetrafluoroboric acid; sodium nitrite In water at 0 - 20℃; for 4h; Inert atmosphere; | 93% |
chloroformic acid ethyl ester
2-amino-5-chloropyrazine
ethyl (5-chloropyrazin-2-yl)carbamate
Conditions | Yield |
---|---|
With pyridine at 20℃; for 0.5h; | 91% |
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 80℃; for 8h; Suzuki-Miyaura coupling reaction; Inert atmosphere; | 90% |
2-amino-5-chloropyrazine
3-bromo-5-chloro-2-aminopyrazine
Conditions | Yield |
---|---|
With N-Bromosuccinimide In dichloromethane at 20℃; for 0.25h; | 87% |
With N-Bromosuccinimide In dichloromethane at 0℃; | 79% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 40℃; for 1h; | 77% |
p-ethylbenzoyl chloride
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
Stage #1: p-ethylbenzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 85% |
1,1'-Thiocarbonyldi-2(1H)-pyridone
2-amino-5-chloropyrazine
2-chloro-5-isothiocyanatopyrazine
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 1h; | 83% |
In dichloromethane at 20℃; for 1h; | 83% |
In dichloromethane at 20℃; for 2h; |
Conditions | Yield |
---|---|
With copper In methanol at 150℃; for 24h; Sealed tube; | 67% |
With copper In methanol at 150℃; for 24h; Sealed tube; | 67% |
3-(Trifluoromethyl)benzoyl chloride
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
Stage #1: 3-(Trifluoromethyl)benzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 65% |
1-bromo-4-butene
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 110℃; | 64% |
Langlois reagent
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In dichloromethane for 8h; | 57% |
2-amino-5-chloropyrazine
5-chloro-1,2-dihydro-2-oxopyrazine
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite at 0 - 40℃; | 56% |
4-acetoxybenzoyl chloride
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
Stage #1: 4-acetoxybenzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 55% |
m-Chlorobenzoyl chloride
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
Stage #1: m-Chlorobenzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 54% |
2-amino-5-chloropyrazine
O-acetylsalicyloyl chloride
Conditions | Yield |
---|---|
Stage #1: O-acetylsalicyloyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 53% |
2(R)-(3-chloro-4-methylsulfonylphenyl)-3-(4-oxocyclohexyl)propionic acid
2-amino-5-chloropyrazine
2(R)-(3-chloro-4-methanesulfonylphenyl)-N-(5-chloropyrazin-2-yl)-3-(4-oxocyclohexyl)propionamide
Conditions | Yield |
---|---|
Stage #1: 2(R)-(3-chloro-4-methylsulfonylphenyl)-3-(4-oxocyclohexyl)propionic acid With N-Bromosuccinimide; triphenylphosphine In dichloromethane at 0 - 25℃; for 0.5h; Stage #2: 2-amino-5-chloropyrazine With 2,6-dimethylpyridine In dichloromethane at 25℃; for 4h; | 52% |
2-amino-5-chloropyrazine
Conditions | Yield |
---|---|
With N-iodo-succinimide In N,N-dimethyl-formamide at 20 - 75℃; for 16h; Inert atmosphere; | 50% |
2-amino-5-chloropyrazine
Bromoacetaldehyde diethyl acetal
6-chloroimidazo<1,2-a>pyrazine
Conditions | Yield |
---|---|
With hydrogen bromide In isopropyl alcohol at 80℃; | 49.75% |
With hydrogen bromide 1.) 120 deg C, 1.5 h, 2.) reflux, 2 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Stage #1: benzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 48% |
2-amino-5-chloropyrazine
3-(chlorocarbonyl)phenyl acetate
Conditions | Yield |
---|---|
Stage #1: 3-(chlorocarbonyl)phenyl acetate With pyridine In dichloromethane for 0.0833333h; Inert atmosphere; Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere; | 48% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View