4996-21-8

4996-21-8 structure

Name	4-Chlorophenylglyoxal hydrate
Synonyms	1-(4-chlorophenyl)-2,2-dihydroxy-ethanone (4-Chlorophenyl)(oxo)acetaldehyde hydrate (1:1) 4-chlorophenyl-2,2-dihydroxyethanone Benzeneacetaldehyde, 4-chloro-α-oxo-, hydrate (1:1) 4-chlorophenylglyoxal monohydrate 4'-chloro-2,2-dihydroxyacetophenone 1-(4-Chlor-phenyl)-2,2-dihydroxy-aethanon

536-38-9

~67%

4996-21-8

Literature: MITSUBISHI PHARMA CORPORATION; SANOFI-SYNTHELABO Patent: WO2004/85408 A1, 2004 ; Location in patent: Page 276 ; WO 2004/085408 A1

99-91-2

~80%

4996-21-8

Literature: Wang, Hui-Yan; Shi, Da-Qing ACS Combinatorial Science, 2013 , vol. 15, # 5 p. 261 - 266

4998-15-6

4996-21-8

Literature: Young, Ryan M.; Davies-Coleman, Michael T. Tetrahedron Letters, 2011 , vol. 52, # 31 p. 4036 - 4038

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%