Anthelmintics

4-Hydroxy-5-methoxy-2-nitrobenzoic acid.

4-hydroxy-N-methylpicolinamide (RegorafenibImpurity).

Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.

4-Hydroxybenzooxazole-2(3H)-thione.

4-Hydroxybenzooxazole-2(3H)-thione.

4-Hydroxycarbazole can be obtained from 1,2,3,4-tetrahydro-4-oxocarbazole via dehydrogenation with freshly prepared Raney nickel. Application 4-Hydroxycarbazole may be used in the synthesis of the following: 4-(2-bromoethoxy)-9 H -carbazole

4-Hydroxyisobenzofuran-1(3H)-one.

4-Hydroxyisobenzofuran-1(3H)-one.

4-HYDROXYPHENYL BENZOATE.

4-HYDROXYPHENYL BENZOATE.

4-HYDROXYPHENYL BENZOATE.

4-Iodo-1-(4-methoxybenzyl)-1H-pyrazole.