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inquiryAs 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
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inquiryAppearance:White to yellow powder Storage:Room temperature Package:5mg/bottle Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china
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Min.Order:5 Milligram
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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
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Min.Order:1 Kilogram
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inquiryAFLATOXIN B1 CAS:1162-65-8 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 intermediates
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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
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Min.Order:1 Kilogram
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Hebei Mojin Biological Technology Co., Ltd. is specialize in the production of chemical raw materials and reagents,located in Shijiazhuang, Hebei Province. In recent decades, under the efforts of all staff, in Shandong, Henan, Guangdong and many othe
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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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Company 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
A 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
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
Zibo 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
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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
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inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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inquiryaflatoxin B2a
aflatoxin B1
Conditions | Yield |
---|---|
Stage #1: aflatoxin B2a With acetic anhydride; acetic acid at 20℃; for 20h; Stage #2: In toluene at 240℃; for 0.25h; Further stages.; | 24% |
O-methylsterigmatocystin
aflatoxin B1
Conditions | Yield |
---|---|
With NADPH In acetone at 37℃; for 84h; cell free extract of the Aspergillus parasiticus mutant AVN-1 (ATCC 56774); |
norsolorinic acid
aflatoxin B1
Conditions | Yield |
---|---|
With metabolite-free SU-1 cell-free extract; S-Adenosylmethionine; NADPH; flavin adenine dinucleotide In water at 30℃; for 8h; |
sterigmatocystin
aflatoxin B1
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 77 percent / K2CO3 / acetone / Heating 2: NADPH / acetone / 84 h / 37 °C / cell free extract of the Aspergillus parasiticus mutant AVN-1 (ATCC 56774) View Scheme |
aflatoxin B1
Conditions | Yield |
---|---|
With deuterium In 1,4-dioxane; N,N-dimethyl-formamide at 20℃; under 750.075 Torr; | 93% |
aflatoxin B1
A
aflatoxin D1
B
6-Methoxy-3a,8a-dihydro-benzo[b]furo[3,2-d]furan-4-ol
Conditions | Yield |
---|---|
With ammonium hydroxide at 50℃; for 504h; | A 57% B 9% |
With ammonium hydroxide at 52℃; for 28h; Product distribution; |
peracetic acid
aflatoxin B1
<6aS-(6aα,8β,9aα)>-8,9-bis(acetyloxy)-2,3,6a,8,9,9a-hexahydro-4-methoxycyclopentafuro<3',2':4,5>furo<2,3-h>benzopyran-1,11-dione
Conditions | Yield |
---|---|
In dichloromethane; benzene at 25℃; for 15h; | 34% |
aflatoxin B1
3',5'-O-dibutyryl 2'-deoxyguanosine
A
aflatoxin B2a
B
050668-79-6
C
<6aS-(6aα,8bβ,9α,9aα)>-8-(2-amino-1,6-dihydro-6-oxo-7H-purin-7-yl)-2,3-6a,8,9,9a-hexahydro-9-hydroxy-4-methoxycyclopentafuro<3',2':4,5>furo<2,3-h><1>benzopyran-1,11-dione
Conditions | Yield |
---|---|
With benzil In 1,2-dichloro-benzene at 100℃; for 1h; Irradiation; | A 14% B n/a C 19% |
aflatoxin B1
A
aflatoxin B2a
B
050668-79-6
C
<6aS-(6aα,8bβ,9α,9aα)>-8-(2-amino-1,6-dihydro-6-oxo-7H-purin-7-yl)-2,3-6a,8,9,9a-hexahydro-9-hydroxy-4-methoxycyclopentafuro<3',2':4,5>furo<2,3-h><1>benzopyran-1,11-dione
Conditions | Yield |
---|---|
With 2'-deoxyguanosine di-n-butyrate; benzil In 1,2-dichloro-benzene at 100℃; for 1h; Irradiation; | A 14% B n/a C n/a |
Conditions | Yield |
---|---|
In dichloromethane; acetone for 0.25h; Ambient temperature; |
aflatoxin B1
6-Methoxy-3a,8a-dihydro-benzo[b]furo[3,2-d]furan-4-ol
Conditions | Yield |
---|---|
With ammonium hydroxide 1.) rt, 19 d; 2.) 50 deg C, 10 d; |
aflatoxin B1
Conditions | Yield |
---|---|
With ammonium hydroxide for 192h; Ambient temperature; |
aflatoxin B1
Aflatoxin B1 8,9-epoxide
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone for 0.25h; Ambient temperature; | |
With 3,3-dimethyldioxirane |
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane Oxidation; | |
With 3,3-dimethyldioxirane In acetone at 20℃; for 0.333333h; Epoxidation; |
Conditions | Yield |
---|---|
With P450 reductase; NADPH; cytochrome b5; P450 3A4 N206S structural mutant In water at 37℃; for 0.333333h; pH=7.85; Product distribution; Enzyme kinetics; Further Variations:; Catalysts; |
Conditions | Yield |
---|---|
mouse liver cytochrome P450 2A5 (wild) In various solvent(s) pH=7.4; Enzyme kinetics; Further Variations:; Catalysts; Enzymatic reaction; |
aflatoxin B1
aflatoxin B2a
Conditions | Yield |
---|---|
With hydrogenchloride In acetonitrile at 20 - 60℃; for 3h; |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; LACTIC ACID at 37℃; pH=3.35 - 4.50; Kinetics; Further Variations:; reagents concentration; |
Conditions | Yield |
---|---|
With trifluoroacetic acid In acetonitrile at 20℃; for 0.333333h; |
aflatoxin B1
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CF3CO2H / acetonitrile / 0.33 h / 20 °C 2: N,N'-dicyclohexylcarbodiimide / dioxane / 20 h / 20 °C View Scheme |
aflatoxin B1
6-(1-hydroxymethyl-3-oxo-propyl)-9-methoxy-3,4-dioxo-1,2,3,4-tetrahydro-cyclopenta[c]chromen-7-ol anion
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.0 M HCl / acetonitrile / 3 h / 20 - 60 °C 2: 0.1 M sodium pyrophosphate / CHCl3; methanol / pH 10 View Scheme |
aflatoxin B1
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.0 M HCl / acetonitrile / 3 h / 20 - 60 °C 2: 0.1 M sodium pyrophosphate / CHCl3; methanol / pH 10 3: dimethylsulfoxide / 6 h / 20 °C View Scheme |
aflatoxin B1
<6aS-(6aα,8bβ,9α,9aα)>-8-(2-amino-1,6-dihydro-6-oxo-7H-purin-7-yl)-2,3-6a,8,9,9a-hexahydro-9-hydroxy-4-methoxycyclopentafuro<3',2':4,5>furo<2,3-h><1>benzopyran-1,11-dione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dimethyldioxirane / acetone / 0.25 h / Ambient temperature 2: acetone; H2O / 12 h / 5 °C / pH 6.5 View Scheme |
aflatoxin B1
<6aS-(6aα,8β,9aα)>-8,9-bis(acetyloxy)-2,3,6a,8,9,9a-hexahydro-4-methoxycyclopentafuro<3',2':4,5>furo<2,3-h>benzopyran-1,11-dione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: benzil, 2'-deoxyguanosine di-n-butyrate / 1,2-dichloro-benzene / 1 h / 100 °C / Irradiation 2: p-toluenesulfonic acid / 18 h View Scheme |
aflatoxin B1
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: benzil, 2'-deoxyguanosine di-n-butyrate / 1,2-dichloro-benzene / 1 h / 100 °C / Irradiation 2: p-toluenesulfonic acid / 18 h View Scheme |
aflatoxin B1
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ammonium hydroxide / 192 h / Ambient temperature 2: ammonium hydroxide / Ambient temperature View Scheme |
Conditions | Yield |
---|---|
In water at 4℃; pH=7; Kinetics; Concentration; Irradiation; |
Conditions | Yield |
---|---|
With oxygen; NADPH; magnesium chloride In aq. phosphate buffer at 37℃; for 1.5h; pH=7.4; |
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