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Chemical Name CAS Number Signal Word
4-[(2,5-difluorophenyl)methyl]-1H-imidazole hydrochloride (EC: 843-949-3) 1909336-90-8 Warning
4-(2,5-dihydro-1H-pyrrol-1-yl)benzoic acid (EC: 980-300-4) 1334011-98-1 Warning
4-(2,5-dihydro-1H-pyrrol-1-yl)piperidine (EC: 970-828-3) 1354952-53-6 Danger
4-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)benzene-1-sulphonyl azide (EC: 278-474-5) 76464-67-0 Danger
4-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)benzoic acid (EC: 241-117-9) 17057-04-4 Warning
4-(2,5-DIMETHOXYBENZYLIDENE)-2-PHENYL-2-OXAZOLIN-5-ONE (EC: 652-122-4) 109876-87-1 Warning
4-((2,5-DIMETHOXYBENZYLIDENE)AMINO)-5-(2-F-PH)4H-1,2,4-TRIAZOL-3-YL HYDROSULFIDE (EC: 655-715-6) 586994-98-1 Warning
4-(2,5-Dimethoxyphenyl)-1,3-thiazol-2-amine (EC: 108-789-4) 74605-12-2 Warning
4-(2,5-DIMETHOXYPHENYL)-2,7,7-TRIMETHYL-N-(4-METHYL-2-PYRIDINYL)-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXAMIDE (EC: 648-414-6) 361193-82-0 Warning
4-(2,5-DIMETHOXYPHENYL)-2,7,7-TRIMETHYL-N-(6-METHYL-2-PYRIDINYL)-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXAMIDE (EC: 648-371-3) 354793-92-3 Warning
4-(2,5-DIMETHOXYPHENYL)-2-METHYL-N-(6-METHYL-2-PYRIDINYL)-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXAMIDE (EC: 648-438-7) 361193-78-4 Warning
4-(2,5-dimethoxyphenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol (EC: 863-558-1) 380436-95-3 Warning
4-(2',5'-DIMETHOXYPHENYL)BUTYRIC ACID (EC: 623-734-9) 1083-11-0 Warning
4-((2,5-DIMETHOXYPHENYL)DIAZENYL)-5-METHYL-2-PHENYL-2,4-DIHYDRO-3H-PYRAZOL-3-ONE (EC: 632-286-3) 61550-73-0 Warning
4-[2,5-dimethyl-1-(2-phenylethyl)-1H-pyrrol-3-yl]-1,3-thiazol-2-amine hydrochloride (EC: 981-152-3) 1052526-48-3 Warning
4-[(2,5-dimethyl-1,3-thiazol-4-yl)methyl]-1,3-thiazol-2-amine (EC: 897-502-2) 2445791-79-5 Warning
4-(2,5-dimethyl-1H-pyrrol-1-yl)aniline (EC: 673-327-5) 60176-19-4 Warning
4-(2,5-dimethyl-1H-pyrrol-1-yl)aniline hydrochloride (EC: 864-544-8) 2411306-18-6 Warning
4-(2,5-Dimethyl-1H-pyrrol-1-yl)benzoic acid (EC: 630-155-5) 15898-26-7 Warning
4-(2,5-dimethyl-1H-pyrrol-1-yl)-N-(2,5-dioxopyrrolidin-1-yl)benzamide (EC: 841-312-4) 1453117-94-6 Warning
4-(2,5-dimethyl-1H-pyrrol-1-yl)phenol (EC: 868-488-5) 54609-09-5 Warning
4-(2,5-dimethyl-1H-pyrrol-1-yl)piperidine (EC: 860-426-5) 1032289-55-6 Danger
4-{2,5-dimethyl-1-[(oxolan-2-yl)methyl]-1H-pyrrol-3-yl}-1,3-thiazol-2-amine (EC: 101-573-0) 790232-07-4 Warning
4-(2,5-dimethyl-1-propyl-1H-pyrrol-3-yl)-1,3-thiazol-2-amine hydrochloride (EC: 851-227-4) 1049732-72-0 Warning
4-(2,5-DIMETHYL-1-PYRROLYL)PHENYL SULFIDE (EC: 660-729-0) 74380-20-4 Warning
4-(2,5-DIMETHYL-3-THIENYL)-2,7,7-TRIMETHYL-N-(4-METHYL-2-PYRIDINYL)-5-OXO-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXAMIDE (EC: 648-345-1) 441783-97-7 Warning
4-(2,5-DIMETHYL-3-THIENYL)-2-METHYL-N-(4-METHYL-2-PYRIDINYL)-5-OXO-7-PHENYL-1,4,5,6,7,8-HEXAHYDRO-3-QUINOLINECARBOXAMIDE (EC: 648-344-6) 441783-98-8 Danger
4-(2,5-dimethylbenzenesulfonamido)benzoic acid (EC: 118-307-4) 126146-01-8 Warning
4-(2,5-dimethylphenyl)-1,3-thiazol-2-amine (EC: 672-129-6) 101967-39-9 Warning
4-(2,5-dimethylphenyl)-4-oxobutanoic acid (EC: 633-047-6) 5394-59-2 Warning
4-(2,5-dimethylphenyl)butanoic acid (EC: 654-680-4) 1453-06-1 Warning
4-[(2,5-dimethylphenyl)methyl]piperidine (EC: 849-588-8) 683202-60-0 Warning
4-(2,5-dimethylphenyl)piperidine (EC: 982-194-5) 899359-38-7 Warning
4-(2,5-dimethylphenyl)pyrrolidin-2-one (EC: 120-869-0) 1367437-39-5 Warning
4-(2,5-Dimethyl-Pyrrol-1-Ylmethyl)-Benzoic Acid (EC: 108-506-4) 313701-95-0 Warning
4-(2,5-dimethylthiophen-3-yl)-1,3-thiazol-2-amine (EC: 982-139-5) 436152-83-9 Warning
4-(2,5-dimethylthiophen-3-yl)-4-oxobutanoic acid (EC: 118-277-2) 6007-77-8 Warning
4-(2,5-dioxo-1-pyrrolidinyl)-benzenesulfonyl azide (EC: 813-074-1) 40686-15-5 Danger
4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3-methylbenzoic acid (EC: 127-509-1) 777920-31-7 Warning
4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzaldehyde (EC: 119-468-3) 32487-80-2 Warning
4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzonitrile (EC: 822-395-6) 31489-18-6 Warning
4-[(2,5-dioxopyrrol-1-yl)methyl]-N-prop-2-ynylcyclohexane-1-carboxamide (EC: 893-801-7) 2027476-42-0 Warning
4-(2,5-dioxopyrrolidin-1-yl)benzoic acid (EC: 637-411-5) 60693-33-6 Danger
4-(2,5-dioxopyrrolidin-1-yl)butanoic acid (EC: 824-808-5) 31601-68-0 Warning
4-[(2,5-dioxopyrrolidin-1-yl)methyl]benzoic acid (EC: 108-934-1) 923200-19-5 Warning
4-(2,5-Dioxotetrahydrofuran-3-yl)-1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylic Anhydride (EC: 678-141-8) 13912-65-7 Warning
4-(2-((5-ISOPROPYL-2-ME-PHENOXY)ACETYL)CARBOHYDRAZONOYL)-2-MEO-PH 3-PH-ACRYLATE (EC: 646-552-1) 477729-25-2
4-(2-((5-ISOPROPYL-2-METHYLPHENOXY)AC)CARBOHYDRAZONOYL)-2-METHOXYPHENYL BENZOATE (EC: 652-930-7) 303088-41-7 Warning
4-(2-((5-ISOPROPYL-2-METHYLPHENOXY)AC)CARBOHYDRAZONOYL)PHENYL 2-BROMOBENZOATE (EC: 643-111-5) 769156-28-7 Warning
4-(2-((5-ISOPROPYL-2-METHYLPHENOXY)AC)CARBOHYDRAZONOYL)PHENYL 4-CHLOROBENZOATE (EC: 658-775-1) 303086-92-2 Warning