| 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 |
| 4640-67-9 | 4-FLUOROBENZOYLACETONITRILE | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 20934-81-0 | 4-BENZOOXAZOL-2-YL-PHENYLAMINE | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 14580-01-9 | 4-OXO-4-(2-PHENYLHYDRAZINO)BUTANOIC ACID | COLORCOM LTD. |
| 101-11-1 | 4-Amino-2-nitrodiphe | COLORCOM LTD. |
| 4316-53-4 | 4-Methyltriphenylamine | COLORCOM LTD. |
| 105112-76-3 | 4,4-Bis(3-Aminophenoxy)Biphenyl | COLORCOM LTD. |
| 71759-89-2 | 4-Iodoimidazole | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 571-44-8 | 4-DHEA/4-Androsten-3b-ol-17-one powder | Hubei Cangsheng Trading Co., Ltd. |
| 351-95-1 | (4-FLUORO-PHENYLAMINO)-ACETIC ACID | COLORCOM LTD. |
| 83-07-8 | 4-Aminoantipyrine | COLORCOM LTD. |
| 90905-46-7 | 4,6-Dimethoxy-2-methylthiopyrimidine | COLORCOM LTD. |
| 1103738-29-9 | 4-Iodo-1-chloro-2-(4-ethoxybenzyl)benzene;1-Chloro-2-(4-ethoxybenzyl)-4-iodobenzene | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 734-59-8 | (4-bromophenyl)diphenylphosphine | COLORCOM LTD. |
| 99-85-4 | 4-Isopropyl-1-methyl-1,4-cyclohexadiene | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 1023-17-2 | 4'-METHOXY-2-PHENYLACETOPHENONE | COLORCOM LTD. |
| 383-29-9 | 4-Fluorophenyl sulfone | COLORCOM LTD. |
| 7158-32-9 | 4,4-oxybisbenzoic chloride | COLORCOM LTD. |
| 571-44-8 | 4-DHEA/4-Androsten-3b-ol-17-one powder | Hubei Cangsheng Trading Co., Ltd. |
| 30203-11-3 | 4,4'-Bis(3-aminophenoxy)diphenyl sulfone | COLORCOM LTD. |
| 144701-48-4 | 4'-[{1,4'-Dimethyl-2'-Propyl[2,6'-Bi-1H-Benzimiaszol]-1'yl}-Methyl}-1,1'-Biphenyl-2-Caroxylic Acid Dimethyl Ethyl Ester | COLORCOM LTD. |
| 1709-59-7 | 4-AMINO-N,N-DIMETHYL-BENZENESULFONAMIDE | COLORCOM LTD. |
| 1135-24-6 | 4-Hydroxy-3-methoxycinnamic acid CAS:1135-24-6 | Henan Sinotech Import&Export Corporation |
| 137088-65-4 | 4-Thiazoleacetic acid, 2-[[(1,1-dimethylethoxy)carbonyl]amino]-a-[[2-(1,1-dimethylethoxy)-1,1- dimethyl-2-oxoethoxy]imino]-, (Z)- | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 34421-94-8 | 4-BROMOBENZALDEHYDE DIETHYL ACETAL | COLORCOM LTD. |
| 1428451-07-3 | 4-(bromoacetyl)-1,3-phenylene dimethyl biscarbonate | Jinan Qinmu fine chemical Co.,Ltd. |
| 1193-21-1 | 4,6-Dichloropyrimidine | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 1196151-81-1 | 4-Methyloxazole-2-carboxylic acid | COLORCOM LTD. |
| 1200-14-2 | 4-N-BUTYLBENZALDEHYDE | COLORCOM LTD. |
| 703-12-8 | 4-BROMO-N-METHYL-BENZENESULFONAMIDE | Hebei Dangtong Biological Technology Co..LTD |
| 136-77-6 | 4-Hexyl-1,3-benzenediol 136-77-6 | Hebei Dangtong Biological Technology Co..LTD |
| 6186-22-7 | 4-Bromophenylacetone | Shanghai Seasonsgreen Chemical Co.,Ltd |
| 36809-26-4 | 4-Bromotriphenylamine | COLORCOM LTD. |
| 26311-45-5 | 4-Pentylbenzoic acid | Henan Sinotech Import&Export Corporation |
| 26311-45-5 | 4-n-Amylbenzoic acid | Henan Sinotech Import&Export Corporation |
| 371-42-6 | 4-Fluorothiophenol CAS371-42-6 | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 4946-14-9 | (4-Isopropyl)thiophenol-CAS4946-14-9 | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 106-53-6 | 4-Bromothiophenol-CAS106-53-6 | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 2664-63-3 | 4,4'-Thiobis-phenol-CAS2664-63-3 | CHINA MIGO INDUSTRIAL CO., LIMITED |
| 5189-11-7 | 4-(9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thien-4-ylidene)-1-methylpiperidiniumhydrogen malate | Henan Sinotech Import&Export Corporation |
| 15574-96-6 | 4-(9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thien-4-ylidene)-1-methylpiperidine CAS:15574-96-6 | Henan Sinotech Import&Export Corporation |
| 850568-77-3 | 4-(2-HYDROXYETHYLSULFAMOYL)PHENYLBORONIC ACID | Hebei Dangtong Biological Technology Co..LTD |