A CITY IN CHINA

Chloromethyl isopropyl carbonate

The former impurity is less than 0.15%, the latter is less than 0.2%, and the purity of gas phase is more than 99.5%

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

CYCLE ACID

CAS Number: 59564-78-2 Name: 1,3-Bisbenzyl-2-oxoimidazolidine-4,5-dicarboxylic acid Molecular Structure: Formula: C19H18N2O5 Molecular Weight: 354.36 Synonyms: 1,3-Dibenzyl-2-oxoimidazolidine-4,5-dicarboxylic acid; EINECS: 261-806-8 Density: 1.426 g/cm3 Melting Point: 170-174 °C(lit.) Boiling Point: 654.2 °C at 760 mmHg Flash Point: 349.5 °C

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

Huaian yishu technology co.,ltd

Huaian yishu technology co.,ltd is situated in Huai'an District, Huai'an City, Jiangsu,china. which is the hometown of Zhou Enlai. The company enjoys convenient transportation with Beijing-Shanghai Expressway, Nanjing-Lianyungang Expressway, Yansuxu Expressway and Xinyi-Changxing Railway nearby and the Grand Canal from Beijing to Hangzhou running by. It is 24 kilometers away from Hai’an Airport. The company insists on diversified routes and it is committed to researching, developing and manufacturing organic chemicals with research units and chemical enterprises. Our products can be divided into four types,The first type is pharmaceutical intermediate bromine products such as Bromoform;Acetyl bromide;Propionyl bromide;Bromoacetyl bromide;2-bromopropionyl bromide;N-butyl bromide;1-bromopropane;1-bromo hexane;1-bromo heptane;1-bromo octane;1-bromo decane;1-bromo dodecane;4-bromo benzyl bromide;6-Bromoveratraldehyde;(E)-1,4-dibromobut-2-ene;Phosphorus tribromide and etc;the second Phosgene products：Isopropyl chloroformate；Heptanoyl chloride；Dodecanoyl chloride and etc .Amino acids：L-Hydroxyproline；L-ARGININE；L-Proline and etc .velpatasvir intermediate；Sofosbuvir intermediate；Ledipasvir intermediate,Tenofovir Disoproxil intermediate,Glecaprevir（ABT493）;BICTEGRAVIR;Pibrentasvir .We are confident that our products are of both the highest quality and competitively priced. We are looking forward to the sincere cooperation with you.

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8613852390259

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

iron sucrose manufacturer

pharmaceutical intermediates and APIs: iron sucrose 3-(methylamino)-propionitrile Mecobalamine N-Methylformanilide rapamycin Lincomycin hcl 3-Ethoxypropionitrile 3-Methoxypropionitrile vitamin B12 (cyanocobalamin)

Liangxiang Industry Park

A City in China

meng weibin

+86-13355255566

ziboweibinmaoyi@163.com

86-533-209163

http://www.zbweibin.com

L-Hydroxyproline

L-羟脯氨酸 CAS Number: 51-35-4 Name: L-Hydroxyproline Molecular Structure: Formula: C5H9NO3 Molecular Weight: 131.13 Deleted CAS: 138-46-5|17210-41-2|21105-75-9|24784-87-0|54733-36-7 Synonyms: Hydroxy-L-proline;(2S,4R)-4-hydroxypyrrolidine-2-carboxylic acid;trans-4-Hydroxyproline;L-Proline, 4-hydroxy-, trans-;Hypro;4-Hydroxy-L-proline;trans-4-Hydroxy-L-proline;(2R,4R)-4-hydroxy-2,3,4,5-tetrahydropyrrole-2-carboxylate;(2R,4S)-4-hydroxypyrrolidine-2-carboxylic acid;Proline, 4-hydroxy-, L-; EINECS: 200-091-9 Density: 1.395 g/cm3 Melting Point: 273 °C (dec.)(lit.) Boiling Point: 355.2 °C at 760 mmHg Flash Point: 168.6 °C Solubility: H2O: 50 mg/mL Appearance: white crystalline powder Hazard Symbols: Xi Risk Codes: 36/37/38

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

BANNER

P-Bromobenzyl Bromide

Product Name P-Bromobenzyl Bromide CAS No 589-15-1 Formula C7H6Br2 Structural Formula Molecular Weight 249.94 Appearance White or Light Yellow Crystal Melting Point 61-63℃ Boiling Point 115-124/12mm Purity ≥99% Packing 50kgOpen Metal Pail Production Capacity 300MT/Year Usage Organic Synthesis Intermediates

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

Phosphorus Tribromide

Product Name Phosphorus Tribromide CAS No 7789-60-8 Formula PBr3 Structural Formula Molecular Weight 270.73 Appearance Colorless or Straw Yellow Transparent Liquid Boiling Point 173.2℃ Relative Density 2.88(d4) Purity ≥99.5% Packing 50kg、140kgComposite steel and plastic pail Production Capacity 3000MT/Year Usage Organic Synthetic Brominating Agent

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

sales@yishuchem.com

http://www.yishuchem.com

Propargyl bromide

Product Name: Propargyl bromide CAS NO.: 106-96-7 Molecular formula: C3H3Br Molecular weight: 118.96 Appearance: Clear Colourless liquid Melting point -61.1°C Boiling point: 90°C Flash point: 17.1°C Relative Density: 1.38 Content: 99% Package: 20Kg/plastic barrel Production Capacity: 100T per year Use: organic intermediate.

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

Propionyl Bromide

Product Name Propionyl Bromide Alias Propionyl Bromide CAS No 598-22-1 Formula C2H5COBr Structural Formula Molecular Weight 136.98 Boiling Point 103-103.6℃ Relative Density 1.521（16℃） Purity ≥98% Packing 75kgComposite Metal Plastic Bucket、180kgMetal Plastic Insulated Bucket Production Capacity 1000MT/Year Usage Used for Medicine and Pesticide Synthesis

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com

Trans-1, 4-Dibromo-2-Butene

Product Name Trans-1, 4-Dibromo-2-Butene CAS No 821-06-7 Formula C4H6Br2 - Structural Formula Molecular Weight 213.89 Appearance White Crystal Melting Point 48-53 ℃ Boiling Point 205 ℃ Flash Point 113℃ Purity ≥99% Content of Cis ≤0.3% Content of 4-bromo-butene ≤0.3% Drying Shrinkage ≤0.1% Packing 40kgOpen Plastic Drum Production Capacity 500MT/Year Usage Medicine Synthetic Intermediates

Huayi star business building room 2418, No.101 Xiangyu road, Huaian District, Huaian city, Jiangsu,

A City in China

wang rong

+8651785883738

+8651785883738

sales@yishuchem.com

+8651785883738

http://www.yishuchem.com