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:1218-34-4
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inquirySichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality man
Zorui 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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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
Cas:1218-34-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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:1218-34-4
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:1218-34-4
Min.Order:1 Kilogram
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:1218-34-4
Min.Order:1 Kilogram
FOB Price: $10.0 / 16.0
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
Cas:1218-34-4
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:1218-34-4
Min.Order:10 Kilogram
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Type:Trading Company
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 We can also provide MT1 peptide powd
Cas:1218-34-4
Min.Order:1 Kilogram
FOB Price: $20.0 / 22.0
Type:Trading Company
inquiryName: N-acetyltryptophan Synonyms: Ac-Trp-OH CAS:1218-34-4 MF: C13H14N2O3 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Nutrition Enhancers Transportation:By sea or by air Po
We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:1218-34-4
Min.Order:1 Gram
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Type:Trading Company
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Cas:1218-34-4
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:1218-34-4
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
inquiryProduct Name: N-Acetyl-L-tryptophan CAS: 1218-34-4 MF: C13H14N2O3 MW: 246.26 EINECS: 214-935-9 N-Acetyl-L-tryptophan Structure N-Acetyl-L-tryptophan Chemical Properties Melting point 186°C alpha +24.0~+30.0°(20℃/D)(c=
Cas:1218-34-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryN-Acetyl-L-tryptophan CAS:1218-34-4 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 inte
Cas:1218-34-4
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
Cas:1218-34-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPRODUCT DETAILS
Cas:1218-34-4
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
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
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:1218-34-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:1218-34-4
Min.Order:1 Gram
Negotiable
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
Cas:1218-34-4
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
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
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
Cas:1218-34-4
Min.Order:10 Gram
FOB Price: $100.0
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,
High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:1218-34-4
Min.Order:1 Metric Ton
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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:1218-34-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryProduct name: N-Acetyl-L-Tryptophan CAS No.:1218-34-4 Molecule Formula:C13H14N2O3 Molecule Weight:246.26 Purity: 99.0% Package: 25kg/drum Description:White to off-white crystalline powder Manufacture Standards:Enterprise Standard
Cas:1218-34-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryN-acetyltryptophan methyl ester
A
N-AcTrp
B
AcTrpOMe
Conditions | Yield |
---|---|
With sodium hydroxide; phosphate buffer; pronase EC 3.4.24.4 In tetrahydrofuran Ambient temperature; | A 99% B 99% |
With methanol; water; α-chymotrypsin bei pH 7.8; |
Conditions | Yield |
---|---|
With sodium hydroxide In acetone at 20℃; pH=> 10; | 80% |
Conditions | Yield |
---|---|
Stage #1: tiolacetic acid With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Stage #2: L-Tryptophan With 2,4-Dinitrofluorobenzene In N,N-dimethyl-formamide at 20℃; for 3h; | 76% |
Conditions | Yield |
---|---|
With sodium In water for 2h; | 73% |
Stage #1: L-Tryptophan With sodium hydroxide In water for 0.5h; Stage #2: acetic anhydride In water at 20℃; | 71.8% |
With sodium hydroxide; water |
Conditions | Yield |
---|---|
With ammonium bicarbonate; water In dichloromethane for 21h; α-chymotrypsin; | 45% |
With α-chymotrypsin In phosphate buffer at 25℃; pH=7.8; Kinetics; Further Variations:; Reaction partners; Catalysts; Hydrolysis; Enzymatic reaction; |
acetyltryptophan ethylester
A
N-AcTrp
B
N-acetyl-D-tryptophan
C
N-acetyl-D-tryptophan ethyl ester
Conditions | Yield |
---|---|
With water In ethanol at 25℃; for 24h; Microbiological reaction; optical yield given as %ee; enantioselective reaction; | A n/a B n/a C 40% |
N-acetyl-DL-tryptophan
N-AcTrp
Conditions | Yield |
---|---|
With (S)-1-phenyl-ethylamine | |
With (1S,2S)-2-amino-1-(4-nitrophenyl)propane-1,3-diol | |
With (1S,2S)-(+)-thiomicamine |
Conditions | Yield |
---|---|
With water bei der Einwirkung einer Amidase; | |
mit Hilfe von Amidase aus Penicillium vinaceum oder Aspergillus orizae; | |
mit Hilfe von Pseudomonas; | |
With water bei der Einwirkung einer Amidase; |
(Z)-2-acetamido-3-(3-indolyl)-2-propenoic acid
A
N-AcTrp
B
N-acetyl-D-tryptophan
Conditions | Yield |
---|---|
With hydrogen; chloro(1,5-cyclooctadiene)rhodium(I) dimer; (-)-Diop In ethanol at 50℃; for 1.75h; Title compound not separated from byproducts; | |
With hydrogen; triethylamine; ClO4; (2S,4S)-MOD-BPPM In ethanol at 50℃; under 15200 Torr; for 20h; Title compound not separated from byproducts; |
N-acetyl-L-triptophanyl-L-leucine amide
A
H-L-Leu-NH2
B
N-AcTrp
Conditions | Yield |
---|---|
With pH=7; α-chymotrypsin In water; ethyl acetate Equilibrium constant; |
(S)-2-Acetylamino-5-(phenyl-hydrazono)-pentanoic acid methyl ester
N-AcTrp
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide 1.) reflux, 1 h;; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
β‐cyclodextrin In water; dimethyl sulfoxide at 25℃; Rate constant; Mechanism; various conditions; |
Conditions | Yield |
---|---|
With Peptidamidase aus dem Flavedo von Orangen; water at 30℃; diff. Peptidamiden; diff. solvents; diff. pH; | |
With potassium phosphate buffer at 30℃; for 1h; amidase from Erwina carotovora; determination of relative rate of deamination; | |
With water at 30℃; Peptidamidase aus dem Flavedo von Orangen; Yield given; | |
With subtilisin-CLEC at 40℃; pH 7.5, phosphate buffer; Yield given; |
N-acetyl-L-tryptophan methyl ester
A
methanol
B
N-AcTrp
Conditions | Yield |
---|---|
With water In dimethyl sulfoxide at 35℃; Rate constant; Equilibrium constant; pH 5.0, pH 7.1; influence of enzyme chymotrypsin; influence of BzPheal=Ala; |
(S)-2-Acetylamino-4-cyano-butyric acid methyl ester
N-AcTrp
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 88 percent / hydrogen / Raney-Ni deactivated with 3percent Pb / H2O; acetic acid 3: 1.) 0.1 N HCl; 2.) 1 N NaOH / 1.) reflux, 1 h; View Scheme |
methyl 2-acetamido-5-amino-5-oxopentanoate
N-AcTrp
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 61 percent / p-TsCl / pyridine 2: 88 percent / hydrogen / Raney-Ni deactivated with 3percent Pb / H2O; acetic acid 4: 1.) 0.1 N HCl; 2.) 1 N NaOH / 1.) reflux, 1 h; View Scheme |
(2S,5R)-1-Acetyl-5-hydroxy-pyrrolidine-2-carboxylic acid methyl ester
N-AcTrp
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: 1.) 0.1 N HCl; 2.) 1 N NaOH / 1.) reflux, 1 h; View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous K2CO3 2: α-chymotrypsin; methanol; water / bei pH 7.8 View Scheme |
Conditions | Yield |
---|---|
With acetic anhydride In water |
Conditions | Yield |
---|---|
Stage #1: Fmoc-Trp-OH With dmap In N,N-dimethyl-formamide at 20℃; for 2h; Wang resin; Inert atmosphere; Stage #2: acetic acid With ammonium bicarbonate In methanol at 20℃; for 3h; Stage #3: With piperidine; trifluoroacetic acid In N,N-dimethyl-formamide at 20℃; Inert atmosphere; |
N-Acetyl-N(1)-nitroso-L-tryptophan
N-AcTrp
Conditions | Yield |
---|---|
With L-Cysteine In aq. phosphate buffer at 37℃; for 1h; pH=7.4; Kinetics; |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 24.84℃; pH=8.5 - 9; Kinetics; |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 23h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With pepsin immobilized on terephthalaldehyde functionalized chitosan magnetic nanoparticle In acetonitrile at 20℃; for 48h; pH=2; | 98% |
With hydrogenchloride; water | |
With sulfuric acid; water | |
With Aspergillus oryzae acylase relative rates; |
sodium thiocyanide
acetic anhydride
N-AcTrp
(S)-5-((1H-indol-3-yl)methyl)-1-acetyl-2-thioxoimidazolidin-4-one
Conditions | Yield |
---|---|
In acetic acid at 80 - 85℃; for 0.5h; | 95% |
Conditions | Yield |
---|---|
Stage #1: N-AcTrp With N-chlorobenzotriazole; triphenylphosphine In dichloromethane at 0 - 20℃; for 0.25h; Stage #2: benzylamine With triethylamine at 20℃; for 1.83333h; | 95% |
trans-dihydroxo (2,3,6,7,12,13,16,17-octaethylporphyrinato)-tin(IV)
N-AcTrp
Conditions | Yield |
---|---|
In chloroform for 12h; Reflux; | 92% |
Conditions | Yield |
---|---|
Stage #1: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride With potassium carbonate In water at 25℃; for 0.166667h; Stage #2: N-AcTrp With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 12h; | 91% |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride In dichloromethane Schlenk technique; | |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride In dichloromethane Schlenk technique; |
trans-dihydroxo(meso-tetraphenylporphyrinato)tin(IV)
N-AcTrp
Conditions | Yield |
---|---|
In chloroform for 12h; Reflux; | 91% |
Conditions | Yield |
---|---|
lipoglycosylated α-chymotrypsin In chloroform at 30℃; or other solvents; | 90% |
α-chymotrypsin In chloroform; water at 30℃; for 24h; phosphate buffer, pH 6.8; | 86% |
α-chymotrypsin at 30℃; for 24h; Equilibrium constant; effect of water concentration, solvent, pH; | 78% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid a) 50 deg C, 0.5 h, b) RT, 4 h; | 90% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; | 89% |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: L-valine methylester hydrochloride In dichloromethane Schlenk technique; | |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: L-valine methylester hydrochloride In dichloromethane Schlenk technique; |
Conditions | Yield |
---|---|
Stage #1: (S)-methyl 2-amino-4-(methylthio)butanoate hydrochloride With potassium carbonate In water at 25℃; for 0.166667h; Stage #2: N-AcTrp With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 12h; | 89% |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: (S)-methyl 2-amino-4-(methylthio)butanoate hydrochloride In dichloromethane Schlenk technique; | |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: (S)-methyl 2-amino-4-(methylthio)butanoate hydrochloride In dichloromethane Schlenk technique; |
O-Methyl (S)-prop-2-ynyl dithiocarbonate
N-AcTrp
N-acetyl-L-tryptophan methyl ester
Conditions | Yield |
---|---|
In toluene Heating; | 87% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2 h, 2.) r.t., overnight; | 87% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2 h, 2.) r.t., overnight; | 85% |
N-AcTrp
Conditions | Yield |
---|---|
In trifluoroacetic acid Ar, stirred at 50°C for 3 h; concd., pptd. (diethyl ether), washed (methanol/diethyl ether), dried (vac.); elem. anal.; | 84% |
N-AcTrp
N-acetyl-L-tryptophan methyl ester
Conditions | Yield |
---|---|
In toluene Heating; | 81% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2 h, 2.) r.t., overnight; | 80% |
N-AcTrp
Conditions | Yield |
---|---|
In trifluoroacetic acid (argon); stirring (room temp., 4 h); pptn. with Et2O, washing, drying (vac.); elem. anal.; | 80% |
diazomethane
N-AcTrp
N-acetyl-L-tryptophan methyl ester
Conditions | Yield |
---|---|
In methanol; diethyl ether at 0℃; | 79% |
N-AcTrp
Conditions | Yield |
---|---|
In toluene Heating; | 79% |
Conditions | Yield |
---|---|
Stage #1: methyl (L)-leucinate hydrochloride With potassium carbonate In water at 25℃; for 0.166667h; Stage #2: N-AcTrp With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 25℃; for 12h; | 79% |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: methyl (L)-leucinate hydrochloride In dichloromethane Schlenk technique; | |
Stage #1: N-AcTrp With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 0.5h; Schlenk technique; Stage #2: methyl (L)-leucinate hydrochloride In dichloromethane Schlenk technique; |
N-AcTrp
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 21℃; for 16h; Inert atmosphere; | 77% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 21℃; for 16h; Inert atmosphere; | 77% |
N-methyl-N-[(S)-1-phenylethyl]amine
N-AcTrp
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2 h, 2.) r.t., overnight; | 76% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2 h, 2.) r.t., overnight; | 75% |
hexakis-(6-bromo-6-deoxy)-α-cyclodextrin
N-AcTrp
hexakis-[6-O-(N-acetyl-L-tryptophanyl)]-α-cyclodextrin
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 70 - 80℃; for 12h; | 72% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) 0 deg C, 2 h, 2.) r.t., overnight; | 70% |
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