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
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inquiryProduct Name: N-Acetyl-DL-methionine Synonyms: N-ALPHA-ACETYL-DL-METHIONINE;N-ACETYL-L(DL)-METHIONINE;N-AC-DL-MET;N-ACETYL-DL-MET;N-ACETYL-DL-METHION… Founded in 2014, as a professional international pharmaceutical corporation, headquarter
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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
The 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
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inquiryZorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ
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inquiryName:N-Acetyl-DL-methionine CAS:1115-47-5 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerab
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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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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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inquiry1. 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 ♦ W
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inquiryProduct name N-Acetyl-DL-methionine Alias Ac-DL-Met-OH; D.L Methionine N, acetyl; N-acetylmethionine; (2R)-2-(acetylamino)-4-(methylsulfanyl)butanoate CAS NO 1115-47-5
Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
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inquiryAppearance:white crystalline powder Storage:2-8°C Package:25kg/Barrel Application:APIs Transportation:Express/Sea/Air Port:Any port in China
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inquiryProduct Name: N-Acetyl-DL-methionine CAS: 1115-47-5 MF: C7H13NO3S MW: 191.25 EINECS: 214-224-3 Mol File: 1115-47-5.mol N-Acetyl-DL-methionine Structure N-Acetyl-DL-methionine Chemical Properties Melting point 117-119 °C(li
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inquiryN-Acetyl-DL-methionine CAS:1115-47-5 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 int
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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
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inquiryPRODUCT DETAILS
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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
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryConditions | Yield |
---|---|
With methylamine at 60℃; for 10h; | A 100% B n/a |
Conditions | Yield |
---|---|
Stage #1: acetic anhydride; methionine sodium salt for 5h; pH=2 - 4; Stage #2: With hydrogenchloride; pyrographite In ethanol; water at 65℃; pH=4; | 99% |
With sodium formate; sodium carbonate In water at 45℃; for 5h; Green chemistry; | 33.5 g |
Conditions | Yield |
---|---|
With 2-bromoethylamine for 2h; Reflux; | 94% |
acetamide
3-(methylsulfenyl)propanal
carbon monoxide
A
N-acetyl-DL-methionine
B
1,3-bis(methylthio)propane
Conditions | Yield |
---|---|
With hydrogen; dicobalt octacarbonyl In acetic acid butyl ester at 70℃; under 97509.8 Torr; for 8h; Product distribution / selectivity; | A 92.2% B 5% |
With hydrogen; dicobalt octacarbonyl In acetic acid butyl ester at 70℃; under 97509.8 Torr; for 8h; Product distribution / selectivity; | A 92.2% B n/a |
acetamide
3-(methylsulfenyl)propanal
carbon monoxide
B
N-acetyl-DL-methionine
Conditions | Yield |
---|---|
Stage #1: acetamide; 3-(methylsulfenyl)propanal; carbon monoxide With hydrogen; dicobalt octacarbonyl In ethyl acetate at 80℃; under 97509.8 Torr; for 5h; Stage #2: With oxygen at 20 - 80℃; under 7500.75 Torr; | A 90% B 80.7% |
acetamide
3-(methylsulfenyl)propanal
A
N-acetyl-DL-methionine
B
N-acetyl-DL-methionine ethyl ester
C
1,3-bis(methylthio)propane
Conditions | Yield |
---|---|
Stage #1: acetamide; carbon monoxide With hydrogen; dicobalt octacarbonyl In ethyl acetate at 80℃; under 97509.8 Torr; for 0.0833333h; Stage #2: 3-(methylsulfenyl)propanal In ethyl acetate at 80℃; under 97509.8 Torr; for 2.5h; Product distribution / selectivity; | A 89.9% B 1% C 4% |
acetamide
3-(methylsulfenyl)propanal
carbon monoxide
A
N-acetyl-DL-methionine
B
N-acetyl-DL-methionine ethyl ester
C
1,3-bis(methylthio)propane
Conditions | Yield |
---|---|
Stage #1: acetamide; carbon monoxide With hydrogen; dicobalt octacarbonyl In ethyl acetate at 80℃; under 97509.8 Torr; for 0.0833333h; Stage #2: 3-(methylsulfenyl)propanal In ethyl acetate for 2.5h; Product distribution / selectivity; | A 89.9% B 1% C 4% |
acetamide
3-(methylsulfenyl)propanal
carbon monoxide
N-acetyl-DL-methionine
Conditions | Yield |
---|---|
With sulfuric acid; lithium bromide; bis(triphenylphosphine)palladium dibromide In various solvent(s) at 120℃; under 45003.6 Torr; for 12h; | 75% |
Conditions | Yield |
---|---|
In tetrahydrofuran | 52% |
Conditions | Yield |
---|---|
With cis-(2+); water at 40℃; Rate constant; var. palladium(II) aqua complex; |
N-acetyl-DL-methionine
Conditions | Yield |
---|---|
With hydrogenchloride; hydroxide; triphenylphosphine; [ReOCl3(PPh3)2] 1.) CH2Cl2, reflux, 5 h; Yield given. Multistep reaction; |
methyl 2-acetamido-4-methylthiobutanoate
N-acetyl-DL-methionine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / AgBF4 / acetonitrile / 0.5 h / Heating 2: 100 percent / 1.5percent aq. CH3NH2 / 10 h / 60 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: (1R*,2R*)-(+/-)-1,2-dihydroxy-[1-(13)C1]propylphosphonic acid at 30℃; for 240h; Microbiological reaction; Stage #2: With hydrogenchloride; water at 95℃; for 10h; Stage #3: acetic anhydride With potassium hydroxide In water |
Conditions | Yield |
---|---|
With potassium formate; potassium carbonate In water at 45℃; for 5h; Green chemistry; | 33.5 g |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 24.84℃; pH=8.5 - 9; Kinetics; |
N-acetyl-DL-methionine
ethyl-(2-hydroxy-ethyl)-dimethyl-ammonium; hydroxide
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
N-acetyl-DL-methionine
butyl(2-hydroxyethyl)dimethylammonium hydroxide
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
Conditions | Yield |
---|---|
In methanol soln. AcMet in methanol added to soln. SnMe3(OH) in methanol and stirred overnight or refluxed for 2 h; solvent evapd., diethyl ether and light petroleum (b.p. 40-60°C)added and mixt. kept in freezer, crystals washed and dried in vacuo; elem. anal.; | 99% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
((C6H5)3P)2Pt(CH3C(O)NCH(CH2CH2SCH3)COO)
Conditions | Yield |
---|---|
With Ag2O; PPh3 In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 98% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
benzyldiphenylphosphane
(C6H5CH2P(C6H5)2)2Pt(CH3C(O)NCH(CH2CH2SCH3)COO)
Conditions | Yield |
---|---|
With Ag2O In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 95% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
((C6H5)2P(CH2)2P(C6H5)2)Pt(CH3C(O)NCH(CH2CH2SCH3)COO)
Conditions | Yield |
---|---|
With Ag2O; Ph2P(CH2)2PPh2 In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 95% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
bis-diphenylphosphinomethane
Conditions | Yield |
---|---|
With Ag2O In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 94% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
diphenyl(methyl)phosphine
(CH3P(C6H5)2)2Pt(CH3C(O)NCH(CH2CH2SCH3)COO)
Conditions | Yield |
---|---|
With Ag2O In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 94% |
N-acetyl-DL-methionine
A
acetic acid
B
DL-methionine
C
DD/LL/LD/DL-methionylmethionine
D
3,6-bis[2-(methylthio)ethyl]-2,5-piperazinedione
Conditions | Yield |
---|---|
With water at 165℃; under 6750.68 Torr; for 5h; | A 92% B 90% C n/a D n/a |
Conditions | Yield |
---|---|
With water at 165℃; under 6750.68 Torr; for 5h; | A 92% B 90% |
N-acetyl-DL-methionine
bis(tri-n-butyltin)oxide
Tributylzinnester des Acetyl-DL-methionins
Conditions | Yield |
---|---|
byproducts: H2O; | 91% |
byproducts: H2O; | 91% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
1,3-bis-(diphenylphosphino)propane
Conditions | Yield |
---|---|
With Ag2O In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 91% |
dichloro(1,5-cyclooctadiene)platinum(ll)
N-acetyl-DL-methionine
1,4-di(diphenylphosphino)-butane
((C6H5)2P(CH2)4P(C6H5)2)Pt(CH3C(O)NCH(CH2CH2SCH3)COO)
Conditions | Yield |
---|---|
With Ag2O In dichloromethane N2; phosphine, N-acetyl-methionine, and excess Ag2O are added in succession to the soln. of the Pt-compound under stirring, mixt. refluxed for 6 h; filtered (Celite), evapd. to dryness under reduced pressure, dissolved (CH2Cl2), light petroleum added, recrystd. (CH2Cl2/light petroleum), dried in vacuo; elem. anal.; | 91% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 1h; | 90% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 5.5h; | 85.1% |
N-acetyl-DL-methionine
2,2-dimethoxy-propane
methyl 2-acetamido-4-methylthiobutanoate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol for 48h; Ambient temperature; | 84% |
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