| 97963-76-3 | 4-Difluoromethoxy-2-nitro-aniline | HUAJING INDUSTRIAL LIMITED |
| 301692-76-2 | 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide | HUAJING INDUSTRIAL LIMITED |
| 81778-07-6 | 4,4-dimethyl isoxazolidin-3-one | HUAJING INDUSTRIAL LIMITED |
| 121239-75-6 | 4-OCTYLOXYDIPHENYLIODONIUMHEXAFLUOROANTIMONATE | HUAJING INDUSTRIAL LIMITED |
| 1003-10-7 | 4-BUTYROTHIOLACTONE | HUAJING INDUSTRIAL LIMITED |
| 112809-25-3 | 4-(1H-1,2,4-Triazol-1-ylmethyl)benzonitrile | HUAJING INDUSTRIAL LIMITED |
| 27500-82-9 | 4-(chloromethyl)-3-methoxy-9H-xanthen-9-one | HUAJING INDUSTRIAL LIMITED |
| 59447-39-1 | 4,4'-(3,6-dimethyl-pyrazine-2,5-diyl)-di-aniline | HUAJING INDUSTRIAL LIMITED |
| 102978-41-6 | 4'-ethyl-1',4',7',8'-tetrahydro-4'-hydroxy-3'H,10'H-spiro[1,3-dioxolane-2,6'-pyrano[3,4-f]indolizine]-3',10'-dione | HUAJING INDUSTRIAL LIMITED |
| 16854-67-4 | 4-Hydroxylthiocoumarin | HUAJING INDUSTRIAL LIMITED |
| 6313-88-8 | 4'-Dodecylacetophenone | HUAJING INDUSTRIAL LIMITED |
| 99717-87-0 | 4-Vinylbenzocyclobutene | HUAJING INDUSTRIAL LIMITED |
| 50541-93-0 | 4-Amino-1-benzylpiperidine | HUAJING INDUSTRIAL LIMITED |
| 3598-60-5 | 4-(Phthalimidyl)butanal | HUAJING INDUSTRIAL LIMITED |
| 5193-84-0 | 4,6-Dihydroxy-5-methoxypyrimidine | HUAJING INDUSTRIAL LIMITED |
| 157923-74-5 | 4-AMINO-3,3-DIMETHYLBUTYLTRIMETHOXYSILANE | HUAJING INDUSTRIAL LIMITED |
| 5826-29-9 | 4-[(3-chloro-4-{2-[2-(3,4-dimethylphenoxy)ethoxy]ethoxy}-5-methoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5(4H)-one | HUAJING INDUSTRIAL LIMITED |
| 178688-48-7 | 4,5,6,7-Tetrahydrothieno[3,2-c]pyridin-2(3H)-one | HUAJING INDUSTRIAL LIMITED |
| 1760-71-0 | 4-chloro-6-nitro-o-cresol | HUAJING INDUSTRIAL LIMITED |
| 28785-06-0 | 4-N-PROPYLBENZALDEHYDE | HUAJING INDUSTRIAL LIMITED |
| 936015-60-0 | 4-Acetoxy-N,N-diisopropyltryptamine | HUAJING INDUSTRIAL LIMITED |
| 161715-20-4 | 4-Nitrobenzyl(1R,5S,6S)-6-[(R)-1-hydroxyethyl]-1-Methyl-2-[1-(1,3-thiazolin-2-yl)azetidin -3-yl]thio-1-carbapen-2-eM-3-carboxylate | HUAJING INDUSTRIAL LIMITED |
| 402-07-3 | 4-BROMO-3-METHOXYBENZOTRIFLUORIDE | HUAJING INDUSTRIAL LIMITED |
| 25251-42-7 | 4-Hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid | HUAJING INDUSTRIAL LIMITED |
| 367-32-8 | 4-Fluorocatechol | HUAJING INDUSTRIAL LIMITED |
| 1073-39-8 | 4-Bromobenzocyclobutene | HUAJING INDUSTRIAL LIMITED |
| 1005206-16-5 | 4-Cyano-7H-Pyrrolo[2,3-d]pyrimidine | HUAJING INDUSTRIAL LIMITED |
| 4053-08-1 | 4-Chloro-1,8-naphthalic anhydride | HUAJING INDUSTRIAL LIMITED |
| 50928-80-8 | 4-(N-ETHYL-N-2-METHOXYETHYL)-2-METHYLPHENYLENEDIAMINE DI-P-TOLUENESULFONATE | HUAJING INDUSTRIAL LIMITED |
| 4433-79-8 | 4'-Chloro-2',5'-dimethoxyacetoacetanilide | HANGZHOU TIANYE CHEMICALS CO., LTD. |
| 1231930-37-2 | 4-fluoro-1-isopropyl-2-Methyl-6-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]iMidazole | Hangzhou Huarong Pharm Co., Ltd. |
| 1126-81-4 | 4-Acetamidothiophenol | COLORCOM LTD. |
| 151103-09-2 | 4-(DIFLUOROMETHOXY)-3-(CYCLOPROPYLMETHOXY)-BENZALDEHYDE | Hangzhou Huarong Pharm Co., Ltd. |
| 151103-08-1 | 4-Difluoromethoxy-3-hydroxybenzaldehyde | Hangzhou Huarong Pharm Co., Ltd. |
| 80-08-0 | 4,4'-Diaminodiphenylsulfone | Huaihua Yuanyanda Biotechnology Co., Ltd |
| 162012-67-1 | 4-Quinazolinamine, N-(3-chloro-4-fluorophenyl)-7-fluoro-6-nitro- | HUAJING INDUSTRIAL LIMITED |
| 19254-30-9 | 4H-1-Benzopyran-4-one, 2-(3-(beta-D-glucopyranosyloxy)-4-hydroxyphenyl)-3,5,7-trihydroxy- | LIDE PHARMACEUTICALS LIMITED |
| 2131-55-7 | 4-CHLOROPHENYL ISOTHIOCYANATE | COLORCOM LTD. |
| 2177-62-0 | 4-Methyl hydrogen L-aspartate | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 86265-88-5 | 4-Chloro-3-bromobenzaldehyde | COLORCOM LTD. |
| 33036-62-3 | 4-Bromo-1-butanol | COLORCOM LTD. |
| 104-03-0 | 4-NITRO-A-TOLUIC ACID | COLORCOM LTD. |
| 6429-10-3 | 4-(2-CHLORO-ETHYL)-1H-IMIDAZOLE HCL | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 17852-52-7 | 4-Hydrazinobenzene-1-sulfonamide hydrochloride cas:17852-52-7 | HUAJING INDUSTRIAL LIMITED |
| 10254-57-6 | 4,4'-Methylene bis(dibutyldithiocarbamate) | Shenzhen Hongqingtai petroleum&Additives Co.,Ltd. |
| 5466-84-2 | 4-Nitrophthalic anhydride | COLORCOM LTD. |
| 861928-27-0 | 4-BROMO-2-(TRIFLUOROMETHYL)BENZALDEHYDE | COLORCOM LTD. |
| 1532-97-4 | 4-Bromoisoquinoline | COLORCOM LTD. |
| 607-67-0 | 4-Hydroxy-2-methylquinoline | COLORCOM LTD. |
| 64439-81-2 | (+/-)-4-Ethyl-4,9-dihydroxy-1H-Pyrano[3',4':6,7]induinoline-3,14(4Holizino[1,2-b]q,12H)-dione | Zibo Yurui Biotechnology Co., Ltd |
| 364-62-5 | 4-Amino-5-chloro-N-(2-(diethylamino)ethyl)-2-methoxybenzamide | American Great Biotechnology Inc |
| 873-76-7 | 4-Chlorobenzyl alcohol | COLORCOM LTD. |
| 96797-15-8 | 4-Iodo-1-tritylimidazole | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 936572-00-8 | 4-Methoxy-2-methyl-5-azaindole | Zibo Yurui Biotechnology Co., Ltd |
| 1167055-60-8 | 4-BroMo-7-Methyl-indole-6-caboxylic acid | Zibo Yurui Biotechnology Co., Ltd |
| 2986396-82-9 | [4-(3,6-dibromocarbazol-9-yl)butyl]phosphonic acid diethyl ester | Zibo Yurui Biotechnology Co., Ltd |
| 2226224-90-2 | 4,4'-(2,5-pyridinediyl)bis-Benzaldehyde | Zibo Yurui Biotechnology Co., Ltd |
| 1569900-71-5 | 4,4'',4'''',4''''''-(Pyrene-1,3,6,8-tetrayltetrakis(ethyne-2,1-diyl))tetrabenzoic acid | Zibo Yurui Biotechnology Co., Ltd |
| 205383-17-1 | 4,4',4''-(benzene-1,3,5-triyltris(ethyne-2,1-diyl))tribenzoic acid | Zibo Yurui Biotechnology Co., Ltd |
| 350-46-9 | 4-Fluoronitrobenzene | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 156-83-2 | 4-Chloro-2,6-diaminopyrimidine | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 2396-68-1 | 4-tert-Butylthiophenol | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 152628-03-0 | 4-Methyl-2-propyl-6-benzimidazolecarboxylicacid | Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd |
| 45019-28-1 | 4-METHYLNONANOIC ACID | COLORCOM LTD. |
| 1353224-53-9 | 4-(4-(cyclopentyloxy)quinolin-2-yl)benzene-1,2-diol 1353224-53-9 | Hebei Zhaohe Chemical Technology Co., Ltd. |
| 624-31-7 | 4-Iodotoluene | COLORCOM LTD. |
| 10385-30-5 | 4-BENZYLOXYBUTYRIC ACID | Zibo Yurui Biotechnology Co., Ltd |
| 54447-68-6 | 4-azidobutanoic acid | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 874-17-9 | 4-CHLORO-2,6-DIBROMOANILINE | COLORCOM LTD. |
| 16251-45-9 | (4S,5R)-(-)-4-METHYL-5-PHENYL-2-OXAZOLIDINONE | HUAJING INDUSTRIAL LIMITED |
| 35852-81-4 | 4-Chloro-1-methylpyrazole | COLORCOM LTD. |
| 695-06-7 | 4-Hexanolide | COLORCOM LTD. |
| 3006-96-0 | 4-(hydroxymethyl)benzoic acid | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 15561-46-3 | 4-(acetyloxymethyl)benzoic acid | Hubei Jiutian Bio-medical Technology Co., Ltd |
| 92-86-4 | 4,4'-Dibromobiphenyl | COLORCOM LTD. |
| 1012-12-0 | 4-(TRIMETHYLSILOXY)BENZALDEHYDE 1012-12-0 | Hebei Zhaohe Chemical Technology Co., Ltd. |
| 72135-36-5 | 4-BROMO-2-METHOXYBENZOIC ACID | COLORCOM LTD. |
| 1440-61-5 | 4-(2-CHLOROACETYL)MORPHOLINE 1440-61-5 | Hebei Zhaohe Chemical Technology Co., Ltd. |
| 17129-06-5 | 4-Ethoxy-1,1,1-trifluoro-3-buten-2-one | COLORCOM LTD. |
| 36057-44-0 | 4-METHOXYPYRIDINE-2-CARBONITRILE | COLORCOM LTD. |
| 89284-61-7 | 4-Chloro-3-cyanopyridine | COLORCOM LTD. |
| 34781-86-7 | 4-AMINORESORCINOL HYDROCHLORIDE | COLORCOM LTD. |
| 25637-16-5 | 4-BROMO-TETRAHYDROPYRAN | COLORCOM LTD. |
| 107585-77-3 | 4'-DeMethyl-3,9-dihydroeucoMin | LIDE PHARMACEUTICALS LIMITED |
| 142382-16-9 | 42-O-Desmethyl Rapamycin | LIDE PHARMACEUTICALS LIMITED |
| 1226917-12-9 | 4-(4-(chloromethyl)benzyl)morpholine hydrochloride | LIDE PHARMACEUTICALS LIMITED |
| 5769-31-3 | 4-BROMO-2,6-DIMETHYLANILINE HYDROCHLORIDE | LIDE PHARMACEUTICALS LIMITED |
| 3878-43-1 | 4,4'-Di(glycidyloxy)diphenyl sulfone | LIDE PHARMACEUTICALS LIMITED |
| 414868-82-9 | 4-Bromo-2-methyl-3-nitroaniline | LIDE PHARMACEUTICALS LIMITED |
| 2131054-09-4 | 4-Chloro-2,9-dimethyl-1,10-phenanthroline | LIDE PHARMACEUTICALS LIMITED |
| 90-90-4 | 4-BROMOBENZOPHENONE | LIDE PHARMACEUTICALS LIMITED |
| 1369766-03-9 | 4-oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxylic acid | LIDE PHARMACEUTICALS LIMITED |
| 998-93-6 | 4-Bromoheptane | LIDE PHARMACEUTICALS LIMITED |
| 17117-21-4 | 4-Bromo-3-ethoxypyridine | LIDE PHARMACEUTICALS LIMITED |
| 158150-19-7 | 4-Bromo-2,3-Dimethoxy Pyridine | LIDE PHARMACEUTICALS LIMITED |
| 1787294-47-6 | 4-Cyclopropyl-2-fluoro-N-[5-fluoro-2-methyl-3-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl] | LIDE PHARMACEUTICALS LIMITED |