Dayangchem's 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. DayangChem can provide different quantities
Cas:13253-44-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
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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
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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
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Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry5-(2-Methylthioethyl)hydantoin CAS:13253-44-6 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 or
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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
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. 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
Cas:13253-44-6
Min.Order:1 Kilogram
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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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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
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Min.Order:0
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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:13253-44-6
Min.Order:10 Gram
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Type:Lab/Research institutions
inquiryHIGH QUALITY 13253-44-6 Chinese name: 5- [2- (methylthio) ethyl] hein Chinese synonyms: 5- [2- (methylthio) ethyl] hein; 5- [2-methylthioacetyl] ethene Acyl; 5- [2- (methylthio) ethyl] -2,4-imidazolidinedione; 5- [2- (methylthio) ethyl] hydan
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
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Cas:13253-44-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
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inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
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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 qualified in
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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
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Min.Order:0
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Type:Lab/Research institutions
inquiry5-(2-Methylthioethyl)hydantoin cas 13253-44-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:13253-44-6
Min.Order:0
Negotiable
Type:Other
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Cas:13253-44-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:13253-44-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
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Type:Lab/Research institutions
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2-hydroxy-4-(methylthio)butyronitrile
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
In water at 80℃; for 2h; | 99% |
sodium cyanide
4-(methylthio)butanal
carbon dioxide
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ammonia under 15001.5 Torr; for 0.266667h; Pressure; Time; Concentration; | 94.65% |
methylthiol
3-cyano-3-hydroxy-1-propene
A
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
B
2-[(aminocarbonyl)amino]-4-(methylthio)butanoamide
Conditions | Yield |
---|---|
With ammonium carbonate In methanol at 80℃; for 1.5h; | A 85% B 12% |
2-hydroxy-4-(methylthio)butyronitrile
A
hydantoin amide
B
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ammonium carbonate; ammonium bicarbonate In water at 105℃; for 0.583333h; Reagent/catalyst; Autoclave; | A 17.9% B 74.9% |
A
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
B
DL-methionine
C
DL-methionine amide
Conditions | Yield |
---|---|
Stage #1: With carbon dioxide In water at 60℃; under 112511 Torr; Stage #2: With ammonia In water at 250℃; Stage #3: titanium(IV) oxide at 180℃; | A n/a B 63% C n/a |
DL-methionine
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With hydrogenchloride |
2-hydroxy-4-(methylthio)butyronitrile
ammonium carbonate
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
hydrogen cyanide
3-(methylsulfenyl)propanal
carbon dioxide
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ammonia; water at 105 - 130℃; Industrial scale; |
hydrogen cyanide
3-(methylsulfenyl)propanal
ammonium carbonate
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
In water at 110℃; for 1h; |
methylthiol
hydrogen cyanide
carbon dioxide
acrolein
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ammonia In methanol at 80℃; for 1.5h; |
3-(methylsulfenyl)propanal
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
at 60 - 140℃; for 0.116667h; Temperature; |
2-hydroxy-4-(methylthio)butyronitrile
carbon dioxide
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
With ammonia; ammonium bicarbonate In water at 80 - 130℃; Temperature; Large scale; |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 20 °C / 760.05 Torr 2: water / 2.5 h / 75 °C / 760.05 Torr View Scheme |
ammonium carbonate
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
Conditions | Yield |
---|---|
In water at 75℃; under 760.051 Torr; for 2.5h; |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
DL-methionine
Conditions | Yield |
---|---|
Stage #1: 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione With water; potassium carbonate at 120 - 160℃; Sonication; Stage #2: at 80 - 120℃; Reagent/catalyst; Sonication; | 99.9% |
Stage #1: 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione With water; potassium hydroxide at 173 - 178℃; for 1h; Stage #2: With carbon dioxide; water at 20℃; Crystallization; Presence of polyvinyl alcohol; | 97% |
With water; potassium hydroxide at 120 - 173℃; pH=10.5; | 53.6% |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
A
L-methionine
B
(S)-N-carbamoylmethionine
Conditions | Yield |
---|---|
In water at 30℃; for 72h; Mechanism; Pseudomonas sp. strain NS671, air. pH 7.0 - 7.2; different cultivation times, other 5-substituted hydantoins; | A 98% B n/a |
With sodium hydroxide; air at 30℃; for 72h; Pseudomonas sp. Strain NS671; | A 93% B n/a |
at 40℃; Product distribution; Mechanism; conversion by Pseudomonas sp. strain NS671; |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
(R)-N-carbamoylmethionine
Conditions | Yield |
---|---|
With D-hydantoinase 1 In water at 50℃; for 12.7h; pH 8.5; | 81% |
With Tris-HCl buffer; Pseudomonas sp. AJ-11220 In various solvent(s) at 30℃; for 2h; Mechanism; pH 8.5; enzymatic reaction; | |
With Tris-HCl buffer; Pseudomonas sp. AJ-11220 In various solvent(s) at 30℃; for 2h; |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
rhodium(III)chloride
Conditions | Yield |
---|---|
With water In not given heating (pH=3); filtration, washing (H2O and EtOH), further product on evapn. of filtrate, addn. of Na2CO3 (pH = 3), drying; elem. anal.; | 42% |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
methyl iodide
[2-(2,5-dioxo-imidazolidin-4-yl)-ethyl]-dimethyl sulfonium ; iodide
Conditions | Yield |
---|---|
With water |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
D-methionine
Conditions | Yield |
---|---|
Mechanism; enzymatic hydrolysis of several hydantoines with Pseudomonas Sp.; | |
With potassium phosphate buffer; Pseudomonas sp. AJ-11220 In various solvent(s) at 30℃; for 2h; pH 8.0; enzymatic reaction; | |
at 37℃; Pseudomonas Sp.; | |
With potassium phosphate buffer; Pseudomonas sp. AJ-11220 In various solvent(s) at 30℃; for 2h; |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
L-methionine
Conditions | Yield |
---|---|
at 30℃; Product distribution; conversion by E. coli pHPB12; | |
at 30℃; Arthrobacter globiformis; | |
Multi-step reaction with 3 steps 1.1: sodium hydroxide; pyrographite / 130 °C 2.1: 5 h / pH 2 - 4 2.2: 65 °C / pH 4 3.1: sodium hydroxide; cobalt(II) chloride / 36 h / 37 °C / pH 6.5 / Large scale; Enzymatic reaction View Scheme |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
D-4-hydroxyphenylglycine
Conditions | Yield |
---|---|
In water at 30℃; for 24h; Product distribution; 0.1 M potassium phosphate buffer (pH = 8.0); bacterioal strain H-319; also H-968; |
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