Building 7, No. 21 Tianhua Street, Daxing Bio-medicine Industry Park

Beijing, China

• MOQ 1 Ton
• Purity≥99.0%
• Water≤0.5%
• AppearanceOff-white to yellow-brown powder

We are offering 3'-hydroxyacetophenone cas no.: 121-71-1 appearance: white or off- white powder purity: ≥99% molecular formula: c8h8o2 molecular weight :136.15 melting point 94-97℃.

• MOQ 1 Ton
• AppearancePale yellow oily liquid
• Purity (GC)≥99.5%

we are offering 2'-hydroxyacetophenone. 2'-hydroxyacetophenone cas no.: 118-93-4 appearance: yellowish oily liquid purity: â�¥99% molecular formula: c8h8o2 molecular weight : 136.15 melting point : 3-6°c boiling point 213°c717mm hg

• MOQ 1 Ton
• Assay≥99.0%
• Melting Point108.0℃-110.0℃
• AppearanceWhite to off-white crystalline Solid

we are offering 4'-hydroxyacetophenone. 4'-hydroxyacetophenone cas no.: 99-93-4 appearance: white crystalline powder purity: ≥99% molecular formula: c8h8o2 molecular weight :136.15 melting point :108-110℃

• MOQ 1000 Kilogram
• AppearanceYellowish crystalline powder
• Purity(HPLC)No less than 99.0 %

3-Pyridinesulfonyl chloride CAS NO.16133-25-8 3-Pyridinesulfonic Acid ≤ 0.5% Max single impurity ≤ 0.5 % Total impurity ≤ 1.0 % Purity ≥ 99.0 %

• MOQ 1 Kilogram
• Brand NameTHTD
• CAS No.63095-51-2
• Purity≥99.0%
• ApplicationIntermediates for Brivaracetam
• Other Names(R)-Dihydro-4-propyl-2(3H)-furanone

Specific optical rotation(CHCl3, c=1.22g/100mL) 6.0°to 7.0°  Maximum Single impurity ≤ 0.50%  Total impurities ≤ 1.0%  Moisture Content(kf) ≤ 0.5%  Purity(GC) ≥99.0%   

5-(2-Fluorophenyl)-1H-pyrrole-3-carboxaldehyde CAS NO. 881674-56-2 Loss on drying

• MOQ 1 Kilogram
• AppearanceBrown to light brown crystalline powder
• Loss on drying≤ 0.5 %
• Purity(HPLC)≥ 98.0 %

Appearance Brown to light brown  crystalline powder Conforms HPLC The retention time of test sample major peak complies to reference standard C onforms Loss on drying ≤   0.5   % 0. 15 % Single impurity ≤   1.0   % 0.5% P urity(HPLC) ≥   9 8 . 0 % 9 8.85 %

• MOQ 100 Kilogram
• AppearanceGrey white solid
• Assay≥98%

Test  item s Specifications Results Description      Grey white solid Grey white solid   Assay ≥98% 99.25%   M.P. 277-280â�� 277-280â�� Impurities ≤2% ≤0.8% Conclusion ï¼� Complies    Date ï¼� 201 8 -0 4 -30

• MOQ 100 Kilogram
• Purity≥99.0%
• AppearanceColorless liquid

• MOQ 1000 Kilogram
• PurityNLT97.5%
• Number Of FlowerColorless

Appearance: colorless transparent liquid Purity: NLT 97.5% Purity of 1, 2- Chrolo propionic chloride: NMT1.5%