| 1667-10-3 | 4,4'-Bis(Chloromethyl)Biphenyl | COLORCOM LTD. |
| 2351-37-3 | 4,4'-BIPHENYLDICARBONYL CHLORIDE | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 7158-32-9 | 4,4'-OXYBISBENZOYL CHLORIDE | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 16523-31-2 | 4,6-Diaminoresorcinol dihydrochloride | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 14108-16-8 | 4-amino-N-(4-amino-2-chlorophenyl)benzamide | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 17557-76-5 | 4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 30184-96-4 | 4,4-BIS(4-AMINOPHENOXY)BENZOPHENONE(4BABP) | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 138321-99-0 | 4,4-Bis(4-amino-2-trifluoromethylphenoxy)biphenyl | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 6052-15-9 | 4-[2-(4-AMINOPHENYL)ETHYNYL]ANILINE | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 10386-84-2 | 4,4′-Dibromooctafluorobiphenyl | Hangzhou Lingrui Chemical Co.,Ltd. |
| 2374-03-0 | 4-Amino-3-hydroxybenzoic acid | Chixin Biotech |
| 29968-78-3 | 4-Nitrophenethylamine hydrochloride | Chixin Biotech |
| 89-84-9 | 4-Acetylresorcinol Resacetophenone | COLORCOM LTD. |
| 150-76-5 | 4-Methoxyphenol | COLORCOM LTD. |
| 537-65-5 | 4,4'-Iminodianiline | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 344-48-9 | 4,4'-OXYBIS[3-(TRIFLUOROMETHYL)BENZENAMINE] | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 105112-76-3 | 4,4-BIS(3-AMINOPHENOXY)BIPHENYL(43BAPOBP) | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 475207-59-1 | 4-Methyl-3-((4-(3-pyridinyl)-2-pyrimidinyl)amino)-N-(5-(4-methyl-1H-imidazol-1-yl)-3-(trifluoromethyl)phenyl)benzamide monomethanesulfonate | Henan Sinotech Import&Export Corporation |
| 220127-57-1 | 4-[(4-Methylpiperazin-1-yl)methyl]-n-[4-methyl-3-[(4-pyridin-3-ylpyrimidin-2-yl)amino]phenyl]benzamide methanesulfonate | Henan Sinotech Import&Export Corporation |
| 92-67-1 | 4-AMINOBIPHENYL | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 152459-95-5 | 4-[(4-Methylpiperazin-1-yl)methyl]-N-(4-methyl-3-{[4-(pyridin-3-yl)pyrimidin-2-yl]amino}phenyl)benzamide | Henan Sinotech Import&Export Corporation |
| 874-60-2 | 4-Methylbenzoyl chloride | COLORCOM LTD. |
| 403-43-0 | 4-Fluorobenzoylchloride | COLORCOM LTD. |
| 3680-69-1 | 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine | Chixin Biotech |
| 1075705-01-9 | 4-fluoro-2-Methoxy-5-nitroaniline | Chixin Biotech |
| 17609-80-2 | 4-Amino-3-chlorophenol | Chixin Biotech |
| 27200-12-0 | 4H-1-Benzopyran-4-one,2,3-dihydro-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-, (2R-trans)- | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 1118-66-7 | 4-Amino-3-penten-2-one | COLORCOM LTD. |
| 1119-16-0 | 4-methylvaleraldehyde | COLORCOM LTD. |
| 367-32-8 | 4-Fluorocatechol CAS 367-32-8 | Hebei Dangtong Biological Technology Co..LTD |
| 619-19-2 | 4-Nitrosalicylic acid CAS 619-19-2 | Hebei Dangtong Biological Technology Co..LTD |
| 874-86-2 | 4-(Chloromethyl)tolunitrile | COLORCOM LTD. |
| 96-99-1 | 4-Chloro-3-Nitobenzoic Acid | COLORCOM LTD. |
| 623-27-8 | 4-Formylbenzaldehyde | COLORCOM LTD. |
| 536-45-8 | 4-METHOXYBENZOIC ACID SODIUM SALT | COLORCOM LTD. |
| 100-09-4 | 4-methoxybenzoate | COLORCOM LTD. |
| 139-85-5 | 4-Formyl-1,2-Dihydroxybenzene | COLORCOM LTD. |
| 112004-83-8 | 4,4'-BIS(TRIMETHYLACETOXY)BENZOPHENONE | COLORCOM LTD. |
| 1124-39-6 | 4-ETHYLCATECHOL | COLORCOM LTD. |
| 1116-77-4 | 4,4-Diethoxy-N,N-dimethyl-1-butanamine | COLORCOM LTD. |
| 1129-37-9 | 4-Nitrobenzaldoxime | COLORCOM LTD. |
| 1078-21-3 | 4-Amino-3-phenylbutanoic acid | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 32863-32-4 | 4-Benzofurazancarboxaldehyde | Shanghai Seasonsgreen Chemical Co.,Ltd |
| 873-74-5 | 4-Aminobenzonitrile | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 24279-39-8 | 4-Amino-3,5-dichlorobenzotrifluoride | COLORCOM LTD. |
| 367-86-2 | 4-Fluoro-3-nitrobenzotrifluoride | COLORCOM LTD. |
| 71675-87-1 | 4-Amino-5-ethylsulfonyl-2-methoxybenzoic acid | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 6140-17-6 | 4-Methylbenzotrifluoride | COLORCOM LTD. |
| 104-88-1 | 4-Chloro Benzaldehyde | COLORCOM LTD. |
| 19900-65-3 | 4,4'-methylenebis(2-ethylaniline) (MOEA) | Henan Sinotech Import&Export Corporation |
| 864070-18-8 | 4-(5-broMo-2-chlorobenzyl)phenol | Chixin Biotech |
| 41519-23-7 | 41519-23-7 (Z)-HEX-3-ENYL ISOBUTYRATE | HENAN NEW BLUE CHEMICAL CO.,LTD |
| 4313-03-5 | 4313-03-5 (E,E)-2,4-Heptadienal | HENAN NEW BLUE CHEMICAL CO.,LTD |
| 4826-62-4 | 4826-62-4 TRANS-2-DODECENAL | HENAN NEW BLUE CHEMICAL CO.,LTD |
| 763113-22-0 | 4-[3-(4-Cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one CAS:763113-22-0 | Henan Sinotech Import&Export Corporation |
| 64359-81-5 | 4,5-Dichloro-2-octyl-isothiazolone | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 114-63-6 | 4-hydroxybenzoicacidsodiumsalt | COLORCOM LTD. |
| 90-20-0 | 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid | Henan Sinotech Import&Export Corporation |
| 120-21-8 | 4-Diethylaminobenzaldehyde | COLORCOM LTD. |
| 620-84-8 | 4-Methyldiphenylamine | COLORCOM LTD. |
| 10309-37-2 | 4-(3,7-DIMETHYL-3-VINYL-OCTA-1,6-DIENYL)-PHENOL | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 52237-19-1 | 4-amino-3-(4-fluorophenyl)butanoic acid | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 1157-39-7 | 4',7-Dimethoxyisoflavone | COLORCOM LTD. |
| 131986-05-5 | 4-acetyl-1-naphthoic acid | Hubei Centro pharmaceutical Co., Ltd |
| 120-47-8 | 4-Hydroxybenzoic acid ethyl ester | COLORCOM LTD. |
| 1215-41-4 | 4-(N-benzyl-N-methylamino)benzaldehyde | COLORCOM LTD. |
| 1984-28-7 | 4-BROMO-N-BUTYLBENZENESULPHONAMIDE | Hebei Dangtong Biological Technology Co..LTD |
| 1173019-48-1 | 4-tert-Octylphenol Monoethoxylate-13C6 | COLORCOM LTD. |
| 1173020-69-3 | 4-tert-Octylphenol Diethoxylate-13C6 | COLORCOM LTD. |
| 1173021-20-9 | 4-tert-Octylphenol-3,5-d2 | COLORCOM LTD. |
| 20610-77-9 | 4-Aminobenzoic acid 4-aminophenyl ester | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 107934-68-9 | 4,4'-(9H-Fluoren-9-ylidene)bis(2-chlorobenzenamine) | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 1122-54-9 | 4-Acetylpyridine | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 49708-81-8 | 4-(4-Chlorophenyl)cyclohexanecarboxylic acid | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 2920-38-9 | 4-Cyanobiphenyl | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 71597-85-8 | 4-Hydroxyphenylboronic acid | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 1469-73-4 | 4-methyl-1,3,2-dioxathiolane 2-oxide | COLORCOM LTD. |
| 1671-76-7 | 4'-METHOXYVALEROPHENONE | COLORCOM LTD. |
| 6807-17-6 | 4,4'-(1,3-DIMETHYLBUTYLIDENE)DIPHENOL | COLORCOM LTD. |
| 808116-52-1 | 4-hydroxy-7-phenoxy-isoquinoline-3-carboxylic acid ethyl ester | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 2896-60-8 | 4-Ethylresorcinol | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 18979-60-7 | 4-Propylresorcinol | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 6940-53-0 | 4-CHLORO-2,5-DIMETHOXYNITROBENZENE | COLORCOM LTD. |
| 57121-49-0 | 4-ethynyl-1H-pyrazole | Shanghai Joy Biotech Ltd |
| 2169266-64-0 | 4-((2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)oxy)butanoic acid | Shanghai Joy Biotech Ltd |
| 265652-39-9 | 4-bromo-3-methylthiophene-2-carboxylic acid | Shanghai Joy Biotech Ltd |
| 1040246-87-4 | 4,6-Dichloro-3-pyridazinecarboxylic acid | Shanghai Joy Biotech Ltd |
| 2222654-09-1 | 4-(6-fluoro-3-pyridinyl)-6-hydroxy-Pyrazolo[1,5-a]pyridine-3-carbonitrile | Shanghai Joy Biotech Ltd |
| 87261-04-9 | 4-BOC-styrene. | Shanghai Joy Biotech Ltd |
| 23418-37-3 | 4-METHYL-4-OCTANOL | COLORCOM LTD. |
| 67857-97-0 | 4-(2-NITRO-PHENYL)-BUTYRIC ACID | COLORCOM LTD. |
| 16960-49-9 | 4-ACETAMIDOPROPIOPHENONE | COLORCOM LTD. |
| 3144-54-5 | 4-Hexanoylresorcinol | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 71501-40-1 | 4-CHLOROBENZYL 2-HYDROXYETHYL SULFIDE | COLORCOM LTD. |
| 18979-65-2 | 4-heptylbenzene-1,3-diol | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |