Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:290-96-0
Min.Order:1 Kilogram
FOB Price: $30.0 / 40.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:290-96-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirys-tetrazine CAS: 290-96-0 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 intermediates,
Cas:290-96-0
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:290-96-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
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:290-96-0
Min.Order:10 Gram
FOB Price: $100.0
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:290-96-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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Cas:290-96-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Cas:290-96-0
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
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Cas:290-96-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Acmec 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:290-96-0
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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1,2,4,5-Tetrazine CAS NO.290-96-0 Application:1,2,4,5-Tetrazine CAS NO.290-96-0
good 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
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
1,2,4,5-Tetrazine CAS NO.290-96-0Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small am
Cas:290-96-0
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
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
1,2,4,5-Tetrazine CAS NO.290-96-0Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:Delivery by EMS, DHL, FEDEX, UPS, TNT
We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:290-96-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
1,2,4,5-Tetrazine CAS NO.290-96-0Appearance:off-white fine crystalline powder Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By couri
Conditions | Yield |
---|---|
With hydrazine hydrate; acetic acid; sodium nitrite In methanol 60 min, 0-10 deg C, 1 h, 10 deg C, 1 h, r.t.; | 26% |
Stage #1: formamidine acetic acid With hydrazine hydrate at 0℃; for 1h; Stage #2: With acetic acid; sodium nitrite at 0℃; for 3.5h; | 12% |
Yield given. Multistep reaction; | |
Stage #1: formamidine acetic acid With hydrazine hydrate at 20℃; Cooling with ice; Stage #2: With acetic acid; sodium nitrite at 5℃; for 1h; Stage #3: With sodium hydrogencarbonate In dichloromethane; water | |
Stage #1: formamidine acetic acid With hydrazine hydrate at 20℃; Cooling with ice; Stage #2: With acetic acid; sodium nitrite at 5℃; for 1h; |
Conditions | Yield |
---|---|
With hydrazine hydrate; acetic acid; sodium nitrite In methanol at 0℃; for 2.5h; Inert atmosphere; | 5% |
s-Tetrazine
Conditions | Yield |
---|---|
at 160℃; |
s-Tetrazine
Conditions | Yield |
---|---|
With acetic acid; sodium nitrite |
1,4-Dihydro-1,2,4,5-tetrazine
s-Tetrazine
Conditions | Yield |
---|---|
With sodium nitrite In acetic acid | |
With acetic acid; sodium nitrite at -18 - 15℃; | 15 g |
formamidinium acetate
s-Tetrazine
Conditions | Yield |
---|---|
Stage #1: formamidinium acetate With hydrazine hydrate at 20℃; for 1h; Stage #2: With sodium nitrite In acetic acid at 0℃; for 1.5h; Further stages.; |
s-Tetrazine
Conditions | Yield |
---|---|
In chloroform for 30h; Heating; | 95% |
s-Tetrazine
6,7-dimethoxynaphthalene-1,4-dione
Conditions | Yield |
---|---|
With α,α,α-trifluorotoluene; C18H18B2N2 at 110℃; for 20h; Diels-Alder Cycloaddition; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 2h; | 94% |
Conditions | Yield |
---|---|
With 5,10-dimethyl-5,10-dihydroboranthrene pyridazine at 55 - 110℃; Inert atmosphere; Schlenk technique; Sealed tube; | 94% |
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 12h; | 93% |
In 1,4-dioxane at 79.84℃; for 12h; Inert atmosphere; |
Conditions | Yield |
---|---|
With α,α,α-trifluorotoluene; C18H18B2N2 at 110℃; for 20h; Reagent/catalyst; Diels-Alder Cycloaddition; Inert atmosphere; | 93% |
s-Tetrazine
1,2,4,5-tetrazine-3,6-dicarboxylic acid dimethyl ester
2-[(3,4-dimethoxyphenyl)ethynyl]-4,5-dimethoxy-1-(methoxymethoxy)benzene
dimethyl 4-(4,5-dimethoxy-2-(methoxymethoxy)phenyl)-5-(3,4-dimethoxyphenyl)-1,2-diazine-3,6-dicarboxylate
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene | 92% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 79.84℃; for 24h; | 90% |
In 1,4-dioxane at 80℃; | 90% |
s-Tetrazine
6-methoxy-1,4-naphthoquinone
Conditions | Yield |
---|---|
With α,α,α-trifluorotoluene; C18H18B2N2 at 110℃; for 20h; Diels-Alder Cycloaddition; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
With 5,10-dimethyl-5,10-dihydroboranthrene pyridazine at 55 - 110℃; Inert atmosphere; Schlenk technique; Sealed tube; | 88% |
Conditions | Yield |
---|---|
for 1.5h; Ambient temperature; | 86% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 70℃; for 168h; | 85% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 90℃; for 25h; | 85% |
s-Tetrazine
Conditions | Yield |
---|---|
In chloroform N2; stirred for 1 day; filtered off, extrd. (CHCl3), dried (80°C, 0.01 Torr); elem. anal.; | 84% |
Conditions | Yield |
---|---|
With α,α,α-trifluorotoluene; C18H18B2N2 at 110℃; for 20h; Reagent/catalyst; Diels-Alder Cycloaddition; Inert atmosphere; | 82% |
s-Tetrazine
Conditions | Yield |
---|---|
In toluene for 20h; Diels-Alder reaction; Heating; | 81% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 2h; Darkness; | 80% |
s-Tetrazine
Conditions | Yield |
---|---|
In tetrahydrofuran for 144h; Heating; | 78% |
s-Tetrazine
ruthenium(II) phthalocyanine
(μ-s-tetrazine)phthalocyaninatoruthenium(II)
Conditions | Yield |
---|---|
In tetrahydrofuran silght excess of ligand, mixt. refluxed for 6 ds under inert atm., cooled; filtered, washed (acetone), dried 70°C, vac.), elem. anal.; | 78% |
Conditions | Yield |
---|---|
for 672h; Ambient temperature; | 74% |
s-Tetrazine
Conditions | Yield |
---|---|
In toluene for 12h; Diels-Alder inverse type reaction; Heating; | 74% |
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