DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:144-82-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:144-82-1
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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
Our 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
Cas:144-82-1
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:144-82-1
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
Cas:144-82-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:144-82-1
Min.Order:0
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:144-82-1
Min.Order:0 Metric Ton
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
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
Cas:144-82-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
GMP 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,
Cas:144-82-1
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryZhenyu 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
Cas:144-82-1
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryStock products, own laboratoryAppearance:White to light yellow crystalline powder Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:144-82-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
high 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
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment .5) We can do different t
Cas:144-82-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:144-82-1
Min.Order:1 bottle
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
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:Beijing or Guangzhou
High qualityAppearance:White powder Storage:Room temperature Package:Aluminum bag Application:Used in producing API Transportation:By air Port:Beijing
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Cas:144-82-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryN-(5-methyl-1,3,4-thiadiazol-2-yl)-4-nitrobenzenesulfonamide
sulfamethizole
Conditions | Yield |
---|---|
With hydrogenchloride; iron In ethanol; water for 3h; Reflux; | 100% |
N-(4-(N-(5-methyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)acetamide
sulfamethizole
Conditions | Yield |
---|---|
Stage #1: N-(4-(N-(5-methyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)acetamide With hydrogenchloride In water for 0.5h; Reflux; Stage #2: With sodium carbonate In water | 72% |
Stage #1: N-(4-(N-(5-methyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)acetamide With hydrogenchloride In water for 0.5h; Reflux; Stage #2: With sodium carbonate In water | 72% |
With hydrogenchloride | |
With sodium hydroxide |
5-methyl-1,3,4-thiadiazol-2-amine
4-Nitrobenzenesulfonyl chloride
sulfamethizole
Conditions | Yield |
---|---|
anschliessend Erwaermen mit Eisen in wss.-aethanol. HCl; |
5-methyl-1,3,4-thiadiazol-2-amine
p-acetylaminobenzenesulfonyl chloride
sulfamethizole
Conditions | Yield |
---|---|
With pyridine anschliessend Erwaermen mit wss. NaOH; | |
With hydrogenchloride |
acetaldehyde thiosemicarbazone
p-acetylaminobenzenesulfonyl chloride
sulfamethizole
Conditions | Yield |
---|---|
With pyridine anschliessend Erwaermen mit Ca32 in wss.-alkal. Loesung; |
Conditions | Yield |
---|---|
anschliessend Hydrolysieren mit Mineralsaeure; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: aqueous HCl View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / 1 h / 95 °C 2: hydrogenchloride / water / 0.5 h / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / 0 - 95 °C 2: hydrogenchloride / water / 0.5 h / Reflux View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dichloromethane; pyridine / 2 h / 20 °C 2: hydrogenchloride / iron / ethanol; water / 3 h / Reflux View Scheme |
sulfamethizole
2,3-isopropylidene-glyceraldehyde
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dimethyl sulfoxide; toluene Condensation; | 100% |
sulfamethizole
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; | 99% |
2,3-Dichloro-1,4-naphthoquinone
sulfamethizole
4-(3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-ylamino)-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
In ethanol at 115℃; for 72h; | 98% |
Conditions | Yield |
---|---|
In water at 0℃; for 0.75h; Inert atmosphere; | 96% |
sulfamethizole
n-decanoyl chloride
N-(4-(N-(5-methyl-1,3,4-thiadiazol-2-yl)sulfamoyl)phenyl)decanamide
Conditions | Yield |
---|---|
With pyridine at 95℃; for 1h; | 95% |
With pyridine at 0 - 95℃; | 95% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol at 78℃; for 6h; | 92% |
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 20℃; for 1.5h; Cooling with ice; | 91% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol at 78℃; for 6h; | 90% |
Conditions | Yield |
---|---|
With triethylamine In ethanol at 80℃; for 10h; | 85% |
4-chlorobenzoquinazoline
sulfamethizole
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 24h; Reflux; | 82% |
2-chloro-6-methylnicotinonitrile
sulfamethizole
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 18h; Reflux; | 82% |
2-chloromethyl-1H-benzimidazole
sulfamethizole
4-[(1H-Benzoimidazol-2-ylmethyl)-amino]-N-(5-methyl-[1,3,4]thiadiazol-2-yl)-benzenesulfonamide
Conditions | Yield |
---|---|
In methanol for 4h; Heating; | 81% |
ethanol
sulfamethizole
3-Formylchromone
4-{[(2-ethoxy-4-oxo-2H-chromen-3(4H)ylidene)methyl]amino}-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid Heating; | 81% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol for 6h; Reflux; | 81% |
sulfamethizole
2-Chloromethyl-4(7)-nitro-benzimidazole
N-(5-Methyl-[1,3,4]thiadiazol-2-yl)-4-[(4-nitro-1H-benzoimidazol-2-ylmethyl)-amino]-benzenesulfonamide
Conditions | Yield |
---|---|
In methanol for 4h; Heating; | 80% |
sulfamethizole
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; | 80% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 22h; Reflux; | 80% |
sulfamethizole
(E)-3-(N,N-dimethylamino)-1-(3,4-dimethoxyphenyl)-2-propen-1-one
Conditions | Yield |
---|---|
With acetic acid In ethanol for 22h; Reflux; | 80% |
Conditions | Yield |
---|---|
In butan-1-ol Heating; | 79% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 24h; | 79% |
Conditions | Yield |
---|---|
Stage #1: formaldehyd; N-(4-carbamoyl-phenyl)-nicotinamide With hydrogenchloride In methanol at 0℃; for 0.5h; pH=3.5; Stage #2: sulfamethizole Heating; | 78% |
sulfamethizole
((E)-3-(3-(dimethylamino)acryloyl))-2H-chromen-2-one
Conditions | Yield |
---|---|
In ethanol for 21h; Reflux; | 77% |
sulfamethizole
Conditions | Yield |
---|---|
In ethanol for 18h; Reflux; | 77% |
sulfamethizole
chloroacetyl chloride
2-chloro-N-[4-(5-methyl-[1,3,4]thiadiazol-2-ylsulfamoyl)-phenyl]-acetamide
Conditions | Yield |
---|---|
With triethylamine In acetone at 20℃; Cooling with ice; | 76% |
2-(chloromethyl)-5-nitro-1H-benzo[d]imidazole
sulfamethizole
N-(5-Methyl-[1,3,4]thiadiazol-2-yl)-4-[(5-nitro-1H-benzoimidazol-2-ylmethyl)-amino]-benzenesulfonamide
Conditions | Yield |
---|---|
In methanol for 4h; Heating; | 73% |
sulfamethizole
4-propyl-phenyl isothiocyanate
Conditions | Yield |
---|---|
In acetone at 20 - 80℃; for 6.5h; | 70% |
Conditions | Yield |
---|---|
Stage #1: acetic anhydride; 5-Bromo-2-aminobenzoic acid for 4h; Reflux; Stage #2: sulfamethizole With acetic acid for 4h; Reflux; | 70% |
Conditions | Yield |
---|---|
Stage #1: acetic anhydride; 5-chloroanthranilic acid for 4h; Reflux; Stage #2: sulfamethizole With acetic acid for 4h; Reflux; | 69% |