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:61-33-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. 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:61-33-6
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
Our 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:61-33-6
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:61-33-6
Min.Order:1 Kilogram
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Cas:61-33-6
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
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Cas:61-33-6
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
1,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 intermediate
Cas:61-33-6
Min.Order:25 Kilogram
FOB Price: $1.0
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:61-33-6
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
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Cas:61-33-6
Min.Order:1 Kilogram
FOB Price: $10.0 / 30.0
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Penicillin G CAS 61-33-6 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control system
Cas:61-33-6
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
J&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
Penicillin G CAS 61-33-6 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2 Pro
Cas:61-33-6
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
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
We 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:61-33-6
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
GMP 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,
factory?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:61-33-6
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:61-33-6
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong 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:61-33-6
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:61-33-6
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
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
Cas:61-33-6
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
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
high 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
ampicillin
1-chlorocarbonyl-2-oxo-3-methylcarbonyl-imidazolidine
penicillin G
Conditions | Yield |
---|---|
With triethylamine In methanol; aqueous tetrahydrofurane; water; ethyl acetate | 95% |
With triethylamine In methanol; aqueous tetrahydrofurane; water; ethyl acetate | 95% |
With triethylamine In methanol; aqueous tetrahydrofurane; water; ethyl acetate | 95% |
Conditions | Yield |
---|---|
With triethylamine | A 94% B n/a |
Conditions | Yield |
---|---|
With triethylamine | A 88% B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride; triethylamine In tetrahydrofuran; aqueous tetrahydrofurane | 85% |
Conditions | Yield |
---|---|
With triethylamine | A 81% B n/a |
Conditions | Yield |
---|---|
With triethylamine | A 80% B n/a |
Conditions | Yield |
---|---|
With triethylamine | A 78.5% B n/a |
phosgene
ampicillin trihydrate
B
penicillin G
Conditions | Yield |
---|---|
With triethylamine | A 78% B n/a |
Conditions | Yield |
---|---|
With triethylamine | A 77% B n/a |
phosgene
ampicillin trihydrate
B
penicillin G
Conditions | Yield |
---|---|
With triethylamine | A 77% B n/a |
Conditions | Yield |
---|---|
With triethylamine | A 76% B n/a |
Conditions | Yield |
---|---|
With triethylamine | A 75% B n/a |
Conditions | Yield |
---|---|
With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With potassium carbonate In acetic acid butyl ester; water; butan-1-ol at 45 - 48℃; Product distribution / selectivity; | 94.5% |
With potassium carbonate In acetic acid butyl ester; water; butan-1-ol at 50 - 60℃; Product distribution / selectivity; | 91% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In ethyl acetate for 24h; Ambient temperature; | 89.5% |
penicillin G
A
(5S,6S,3S)-benzyl-D-penicilloic acid
B
(5R,6S,3S)-benzyl-D-penicilloic acid
Conditions | Yield |
---|---|
With Zn(II) cyclen; water at 15 - 35℃; Rate constant; Kinetics; Thermodynamic data; | A 88% B 12% |
With Zn(II) cyclen-OH-; water at 15 - 35℃; Rate constant; Kinetics; Thermodynamic data; | A 88% B 12% |
penicillin G
[(chlorosulfonyl)oxy]methyl sulfurochloridate
bis-(6β-phenylacetamido-penicillanoyloxy)-methane
Conditions | Yield |
---|---|
With tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate In dichloromethane 1.) 20-22 deg C, 2.) 30 min; | 80% |
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