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:2544-31-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general
Cas:2544-31-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:2544-31-2
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:2544-31-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryWe 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:2544-31-2
Min.Order:1 Gram
Negotiable
Type:Trading Company
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
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:2544-31-2
Min.Order:1 Gram
Negotiable
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,
zhenyu 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 produc
Cas:2544-31-2
Min.Order:1 Kilogram
FOB Price: $12.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirysuperior quality moderate price & quick delivery Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used to make other chemic
Cas:2544-31-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHigh purity, high success rate, short cycle and moderate priceAppearance:White powder solid Storage:Negative 20 degrees Celsius Package:5mg, 10mg 100mg, 1gram Application:Applied to various scientific research
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
high 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
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Manufacturers
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
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Trading Company
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-Amino-3-[(4-methoxybenzyl)thio]propanoic acid cas 2544-31-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryOur mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Other
inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:2544-31-2
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHenan Sunlake Enterprise Corporation Our Advantages 1, Any inquiry about ch
Cas:2544-31-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:2544-31-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
Cas:2544-31-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryZ(OMe)-Cys(MBzl)-OH
S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
With methanesulfonic acid; 3-methyl-phenol In dichloromethane at 25℃; for 0.5h; | 100% |
Multi-step reaction with 3 steps 1: aq. sodium perborate / ethyl acetate 2: CF3CO2H / diethyl ether 3: HF View Scheme |
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane 1.) 0 deg C, 1 h; 2.) RT, 30 min; | 81% |
Stage #1: p-methoxybenzyl chloride With hydrogenchloride In diethyl ether; water for 3h; Stage #2: L-Cysteine With sodium hydroxide In diethyl ether; water at 20℃; for 2h; | 64% |
With ammonia |
Conditions | Yield |
---|---|
Stage #1: 4-Methoxybenzyl alcohol With hydrogenchloride In diethyl ether; water for 3h; Stage #2: L-Cysteine With sodium hydroxide In diethyl ether; ethanol; water at 20℃; for 2h; Stage #3: With hydrogenchloride In diethyl ether; ethanol; water at 0℃; pH=7; | 64% |
Stage #1: 4-Methoxybenzyl alcohol With hydrogenchloride In diethyl ether Stage #2: L-Cysteine With sodium hydroxide In diethyl ether; ethanol; water at 20℃; for 2h; Stage #3: With hydrogenchloride In diethyl ether; ethanol; water at 0℃; pH=7; | 64% |
Stage #1: 4-Methoxybenzyl alcohol With hydrogenchloride In diethyl ether; water for 3h; Stage #2: L-Cysteine With sodium hydroxide In diethyl ether; ethanol; water at 20℃; for 2h; Stage #3: With hydrogenchloride In diethyl ether; ethanol; water pH=7; | 64% |
With trifluoroacetic acid In dichloromethane |
L-Cysteine
4-methoxybenzyl hydrazinecarboxylate
S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
With trifluoroacetic acid |
(R)-2-(4-Methoxy-phenyl)-thiazolidine-4-carboxylic acid
S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
With triethylsilane; trifluoroacetic acid In dichloromethane Ambient temperature; |
(R)-2-Amino-3-(4-methoxy-phenylmethanesulfinyl)-propionic acid
S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
With hydrogen fluoride |
Z(OMe)-Cys(MBzl)(O)-OH
S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CF3CO2H / diethyl ether 2: HF View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; chloroform; water at 20℃; |
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate; methyl-phenyl-thioether In trifluoroacetic acid at 0℃; for 0.5h; Product distribution; New peptide deprotection procedure: hard-soft acid-base concept; the role of soft bases (thioanisole, dimethylsulfide, diphenylsulfide) employed.; | 100% |
With trifluoroacetic acid In dichloromethane at 20℃; Rate constant; |
di-tert-butyl dicarbonate
S-(4-methoxybenzyl)-L-cysteine
N-(tert-butyloxycarbonyl)-S-(4-methoxybenzyl)cysteine
Conditions | Yield |
---|---|
Stage #1: di-tert-butyl dicarbonate; S-(4-methoxybenzyl)-L-cysteine With potassium carbonate In tetrahydrofuran; water at 20℃; for 2h; Stage #2: With hydrogenchloride In water at 0℃; pH=3; | 99% |
Stage #1: di-tert-butyl dicarbonate; S-(4-methoxybenzyl)-L-cysteine With potassium carbonate In tetrahydrofuran; water at 20℃; for 2h; Stage #2: With hydrogenchloride In water at 0℃; pH=3; | 99% |
With potassium carbonate In tetrahydrofuran; water at 20℃; for 2h; | 99% |
With potassium carbonate In tetrahydrofuran; water at 20℃; for 2h; | 99% |
In tetrahydrofuran; water Ambient temperature; pH=8; Yield given; |
Conditions | Yield |
---|---|
With Methyltrichlorosilane; 1,1'-sulfinylbisbenzene at 4℃; for 0.166667h; | 95% |
With methoxybenzene; thallium(III) trifluoroacetate In trifluoroacetic acid at 0℃; for 1h; | 86.7% |
With methoxybenzene; thallium(III) trifluoroacetate In trifluoroacetic acid at 0℃; for 1h; Product distribution; cleavage various S-protecting groups of cystein; | 86.7% |
S-(4-methoxybenzyl)-L-cysteine
(R)-2-Amino-3-(4-methoxy-phenylmethanesulfinyl)-propionic acid
L-cystine
Conditions | Yield |
---|---|
With dimethylsulfide; trifluorormethanesulfonic acid In trifluoroacetic acid at 0℃; for 1h; | 92.2% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 55℃; for 0.5h; Temperature; | 87% |
Conditions | Yield |
---|---|
With dimethylsulfide In trifluoroacetic acid at 25℃; for 1h; | 85.3% |
S-(4-methoxybenzyl)-L-cysteine
2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile
N-(tert-butyloxycarbonyl)-S-(4-methoxybenzyl)cysteine
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water for 3h; | 83% |
S-(4-methoxybenzyl)-L-cysteine
N-tert-butyloxycarbonyl-L-α-aminoadipic acid α-p-methoxybenzyl ester
N-tert-butyloxycarbonyl-α-p-methoxybenzyl-δ-(L-α-aminoadipoyl)-S-p-methoxybenzyl-L-cysteine
Conditions | Yield |
---|---|
Stage #1: N-tert-butyloxycarbonyl-L-α-aminoadipic acid α-p-methoxybenzyl ester With triethylamine; isobutyl chloroformate In tetrahydrofuran at -12℃; for 0.5h; Stage #2: S-(4-methoxybenzyl)-L-cysteine With triethylamine In tetrahydrofuran; water at 0 - 20℃; for 1.83333h; | 82% |
S-(4-methoxybenzyl)-L-cysteine
2,2-dimethoxy-propane
S-<(4-methoxyphenyl)methyl>-L-cysteine methyl ester hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride | 79% |
ethanol
S-(4-methoxybenzyl)-L-cysteine
(R)-2-amino-3-(4-methoxy-benzylsulfanyl)propionic acid ethyl ester hydrochloride
Conditions | Yield |
---|---|
With acetyl chloride at 50℃; for 12h; | 69% |
S-(4-methoxybenzyl)-L-cysteine
(S)-2-(4-Methoxy-benzyloxycarbonylamino)-succinamic acid 4-nitro-phenyl ester
Z(OMe)-Asn-Cys(MBzl)-OH
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 24h; Ambient temperature; | 57% |
S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
With triflic azide; potassium carbonate; copper(II) sulfate In methanol; dichloromethane; water at 20℃; | 41% |
Conditions | Yield |
---|---|
With dimethylsulfide; trifluorormethanesulfonic acid In trifluoroacetic acid at 0℃; for 1h; | 15.5% |
N-(tert-butyloxycarbonyl) azide
S-(4-methoxybenzyl)-L-cysteine
N-(tert-butyloxycarbonyl)-S-(4-methoxybenzyl)cysteine
S-(4-methoxybenzyl)-L-cysteine
N-(4-methoxybenzyloxycarbonyl)-α-(4-methoxybenzylester)-δ-L-α-aminoadipic acid
<(N-4-methoxybenzyloxycarbonyl)-(α-4-methoxybenzyl)-δ-(L-α-aminoadipoyl)>-S-(4-methoxybenzyl)-L-cysteine
Conditions | Yield |
---|---|
With triethylamine; isobutyl chloroformate 1) THF, -15 deg C, 30 min, 2) H2O, RT, 50 min; Yield given. Multistep reaction; | |
With triethylamine; isobutyl chloroformate 1) THF; Multistep reaction; |
S-(4-methoxybenzyl)-L-cysteine
Boc-Lys(Z)-Thr-Phe-Thr-Ser-NHNH2
Boc-Lys(Z)-Thr-Phe-Thr-Ser-Cys(MBzl)-OH
Conditions | Yield |
---|---|
With hydrogenchloride; tert.-butylnitrite; triethylamine 1) THF, DMF, 15 min, -15 deg C 2) THF, DMF, 0 deg C, 24 h, room temp.,48 h; Yield given. Multistep reaction; |
S-(4-methoxybenzyl)-L-cysteine
2,2-dimethoxy-propane
S-p-methoxybenzyl-L-cysteine methyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; sodium carbonate Multistep reaction; |
S-(4-methoxybenzyl)-L-cysteine
Z(OMe)-Ser-NHNH2
Z(OMe)-Ser-Cys(CH2PhOMe)-OH
Conditions | Yield |
---|---|
(i) isopentyl nitrite, HCl, (ii) /BRN= 2055074/, aq. Et3N; Multistep reaction; |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane |
S-(4-methoxybenzyl)-L-cysteine
H-Asn-Cys(MBzl)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 57 percent / Et3N / dimethylformamide; H2O / 24 h / Ambient temperature 2: TFA-anisole View Scheme |
S-(4-methoxybenzyl)-L-cysteine
H-Cys(MBzl)-Asn-Cys(MBzl)-OMe
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 57 percent / Et3N / dimethylformamide; H2O / 24 h / Ambient temperature 2: TFA-anisole 3: 82 percent / Et3N / dimethylformamide / 12 h / Ambient temperature 4: 88 percent / dimethylformamide; diethyl ether 5: TFA-anisole View Scheme |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View