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Chemical Name CAS Number Signal Word
4H-Pyrrolo[3,2-d]pyrimidin-4-one, 7-[(2S,3S,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-2-pyrrolidinyl]-1,5-dihydro-, monohydrochloride (EC: 803-711-1) 284490-13-7 Danger
4H-Thieno[2,3-b]thiopyran-2-sulfonamide, 5,6-dihydro-4-hydroxy-6-methyl-, 7,7-dioxide (EC: 601-691-7) 120279-26-7 Warning
4H-thieno[3,2-b]pyrrole-2-carboxylic acid (EC: 818-220-8) 1007386-84-6 Warning
4H-thieno[3,2-b]pyrrole-5-carboxylic acid (EC: 803-727-9) 39793-31-2 Warning
4H-thieno[3,2-c]chromene-2-carboxylic acid (EC: 854-178-7) 26268-04-2 Warning
4H-thiochromeno[3,4-d][1,2]oxazole-3-carboxylic acid (EC: 965-681-7) 56876-44-9 Warning
4-(hydrazinecarbonyl)benzene-1-sulfonamide (EC: 179-317-2) 35264-29-0 Warning
4-(hydrazinecarbonyl)benzoic acid hydrochloride (EC: 838-953-7) 52977-57-8 Warning
4-(hydrazinecarbonyl)butanoic acid hydrochloride (EC: 186-015-4) 910820-96-1 Warning
4'-Hydrazino-2-stilbazole Dihydrochloride [for Fluorometry of alpha-Keto Acids] (EC: 679-681-7) 27231-62-5 Warning
4-Hydrazino-3-methylpyridine hydrochloride (EC: 805-093-9) 114913-51-8 Warning
4-Hydrazino-7-nitrobenzofurazan (EC: 684-885-4) 90421-78-6 Warning
4-Hydrazino-7-nitro-benzofurazan hydrazine adduct (EC: 635-046-6) 131467-87-3 Danger
4-hydrazinobenzenesulphonic acid (EC: 202-694-2) 98-71-5 Danger
4-hydrazinobenzoic acid (EC: 210-609-5) 619-67-0 Warning
4-hydrazinobenzoic acid monohydrochloride (EC: 246-330-0) 24589-77-3 Warning
4-(Hydrazinocarbonyl)benzoic acid (EC: 813-067-3) 46206-74-0 Danger
4-HYDRAZINO-N-METHYL BENZENE METHANE SULFONAMIDE HCl (EC: 618-222-7) 88933-16-8 Danger
4-HYDRAZINOPYRIDINE (EC: 685-765-4) 27256-91-3 Danger
4-HYDRAZINOPYRIMIDINE (EC: 818-578-5) 22930-71-8 Warning
4-hydrazinyl-1,5-naphthyridine (EC: 983-106-8) 79425-96-0 Danger
4-hydrazinyl-1,8-naphthyridin-2-ol (EC: 172-141-7) 59514-94-2 Warning
4-hydrazinyl-1lambda6-thiane-1,1-dione hydrochloride (EC: 978-466-8) 1432678-30-2 Warning
4-Hydrazinyl-1-methyl-1H-pyrazole dihydrochloride (EC: 815-822-2) 1803599-63-4 Warning
4-hydrazinyl-1-methyl-1H-pyrazolo[3,4-d]pyrimidine (EC: 129-420-3) 5334-72-5 Warning
4-hydrazinyl-1-methylpiperidine dihydrochloride (EC: 807-726-4) 53242-78-7 Warning
4-hydrazinyl-2,5-dimethylpyrimidine hydrochloride (EC: 893-124-7) 2241129-24-6 Warning
4-hydrazinyl-2,6-bis(trifluoromethyl)pyridine (EC: 938-837-7) 240115-88-2 Warning
4-hydrazinyl-2,6-dimethylpyridine (EC: 895-628-2) 855643-34-4 Warning
4-hydrazinyl-2,6-dimethylpyrimidine (EC: 691-362-4) 14331-56-7 Warning
4-hydrazinyl-2-methoxypyridine (EC: 896-814-6) 1438981-94-2 Warning
4-hydrazinyl-2-methyl-6-phenylthieno[2,3-d]pyrimidine (EC: 999-235-8) 315685-00-8 Warning
4-Hydrazinyl-2-methyl-8-(trifluoromethyl)-quinoline (EC: 111-530-8) 49612-03-5 Warning
4-hydrazinyl-2-methylbutan-2-ol (EC: 819-611-6) 432509-15-4 Danger
4-hydrazinyl-2-methylbutan-2-ol; oxalic acid (EC: 837-310-8) 1803581-82-9 Warning
4-hydrazinyl-2-sulfanylbenzoic acid hydrochloride (EC: 948-375-8) 2243512-32-3 Danger
4-hydrazinyl-2-(trifluoromethyl)pyridine (EC: 897-659-7) 1228535-68-9 Warning
4-hydrazinyl-3-methylpyridine dihydrochloride (EC: 869-462-6) 2097938-62-8 Warning
4-hydrazinyl-3-nitrobenzene-1-sulfonamide (EC: 129-652-5) 124839-32-3 Warning
4-Hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine (EC: 999-549-5) 63894-54-2 Warning
4-hydrazinyl-5-phenylthieno[2,3-d]pyrimidine (EC: 964-596-2) 113246-86-9 Warning
4-hydrazinyl-6-(methoxymethyl)pyrimidine (EC: 117-621-9) 1250551-30-4 Warning
4-hydrazinyl-6-methoxypyrimidine (EC: 895-612-5) 23905-80-8 Warning
4-hydrazinyl-6-methyl-2-(pyridin-2-yl)pyrimidine (EC: 827-566-9) 1247615-23-1 Warning
4-hydrazinyl-6-methylpyrimidine (EC: 895-613-0) 33592-43-7 Warning
4-hydrazinyl-6-phenylthieno[2,3-d]pyrimidine (EC: 971-644-6) 35970-80-0 Warning
4-Hydrazinyl-6-(trifluoromethyl)-quinoline (EC: 111-513-5) 49612-02-4 Warning
4-Hydrazinyl-8-methoxy-2-methyl-quinoline (EC: 111-586-3) 49612-19-3 Warning
4-hydrazinyladamantan-1-ol dihydrochloride (EC: 892-376-5) 2490413-02-8 Warning
4-hydrazinylbenzenesulfonamide hydrochloride (EC: 479-480-2) 17852-52-7 Danger