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CAS number index
39,377 CAS Registry Numbers in numeric order. A number with several grades opens a comparison page, a single match opens the product.
| CAS number | Substance | Listings |
|---|---|---|
| 19780-66-6 | 3-Ethyl-2-Methyl-1-Pentene | 1 |
| 19788-35-3 | Methyl 5-Methyl-3-isoxazolecarboxylate | 1 |
| 19794-93-5 | Trazodone | 1 |
| 19798-77-7 | 4-Amino-3-chloropyridine | 1 |
| 19798-80-2 | 2-Amino-4-chloropyridine | 1 |
| 19798-81-3 | 2-Amino-6-bromopyridine, 98% | 1 |
| 19803-62-4 | Picloxydine Dihydrochloride | 1 |
| 19804-27-4 | Diphenhydramine EP Impurity B | 1 |
| 19806-43-0 | Quetiapine EPImpurity-F(S-I) | 1 |
| 19808-51-6 | 1,2-Bis(4-pyridyl)hydrazine | 1 |
| 19814-75-6 | 9,9-Dimethylxanthene | 1 |
| 19817-92-6 | Uridine 5'-Triphosphate Trisodium | 1 |
| 19826-87-0 | 3-(2-Hydroxyphenoxy)propane-1,2-diol | 1 |
| 19829-31-3 | 3`-Bromopropiophenone | 1 |
| 19832-04-3 | Piperidin-2-yl-acetic acid | 1 |
| 19833-96-6 | Glycopyrronium Bromide EP Impurity L | 1 |
| 19836-78-3 | 3-Methyl-2-oxazolidinone, 98% | 1 |
| 19845-69-3 | 1,6-Bis(diphenylphosphino)hexane, 97% | 1 |
| 19847-12-2 | 2-Cyano pyrazine, 99% | 1 |
| 19856-23-6 | Sodium 4-oxopentanoate, 98% | 1 |
| 19859-00-8 | 4-((Methylsulfonyl)oxy)butyl Acetate | 1 |
| 19861-62-2 | 2,4-Dichloro-5-nitrobenzoic acid | 1 |
| 19869-42-2 | 1-Methylazepan-4-one hydrochloride | 1 |
| 19870-46-3 | 1,3-Dicaffeoylquinic Acid | 1 |
| 19872-52-7 | 4-Mercapto-4-methyl-2-pentanone | 1 |
| 19879-32-4 | Bavachin | 1 |
| 19881-18-6 | Nitroscanate | 1 |
| 19883-41-1 | (R)-(-)-2-Phenylglycine methyl ester hydrochloride | 1 |
| 19883-57-9 | (S)-2-Amino-2-(4-fluorophenyl)acetic acid | 1 |
| 19883-74-0 | (S)-2-Amino-3-(3-nitrophenyl)propanoic acid | 1 |
| 19889-77-1 | 2-Piperidinecarboxamide | 1 |
| 19893-78-8 | N-(6-Amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide | 1 |
| 19902-08-0 | (+)-Beta-Pinene | 1 |
| 19914-20-6 | Enniatin B1 | 1 |
| 19914-67-1 | Levonorgestrel EP Impurity B | 1 |
| 19916-73-5 | O-6-Benzyl Guanine | 1 |
| 19918-71-9 | 2-(4-Ethyl-5-oxo-2,5-dihydrofuran-3-yl)acetic Acid | 1 |
| 19937-59-8 | Metoxuron | 1 |
| 19943-27-2 | Vildagliptin Impurity 2 (S-Isomer) | 1 |
| 19947-75-2 | 5-Amino-3,4-dimethylisoxazole | 1 |
| 19948-27-7 | 3-Hydroxy-1-methylpyrrolidine-2,5-dione | 1 |
| 19956-53-7 | Lucidone | 1 |
| 19957-51-8 | Tamoxifen Citrate EP Impurity C | 1 |
| 19957-52-9 | Deschloro Clomiphene | 1 |
| 19958-02-2 | Citric Acid 1,2-Diethyl Ester | 1 |
| 19961-27-4 | N-Ethylisopropylamine | 1 |
| 19967-55-6 | 1-Bromo-3-methylbutan-2-one, 95% | 1 |
| 19971-72-3 | 2-Methoxy-4-((4-(pyrimidin-2-yl)piperazin-1-yl)methyl)phenol | 1 |
| 19973-76-3 | Estradiol Hemihydrate EP Impurity A | 1 |
| 19980-00-8 | [4-(Hydroxymethyl)piperidin-1-yl]-phenylmethanone | 1 |
| 19982-07-1 | N-Acetyl Memantine | 1 |
| 19982-08-2 | Memantine | 1 |
| 20002-25-9 | N-Nitroso Timolol Impurity 2 | 1 |
| 20015-46-7 | 2-(Perfluoro-5-methylhexyl)ethanol | 1 |
| 20032-71-7 | 4-Amino-3,5-dimethoxyphenol | 1 |
| 20039-37-6 | Pyridinium dichromate, 98% | 2 |
| 20039-94-5 | 2,4-Di-tert-butyl-6-nitrophenol | 1 |
| 20041-90-1 | Caffeine EP Impurity E | 1 |
| 20048-27-5 | Brandowski`s Base | 1 |
| 20051-76-7 | Trilostane Epoxide Impurity | 1 |
| 20053-88-7 | Hotrienol | 1 |
| 20054-45-9 | Axitinib Thio Impurity | 1 |
| 20054-93-7 | Oxytocin Antiparallel Dimer | 1 |
| 20055-18-9 | 1-Phthalazinone | 1 |
| 20059-73-8 | Itopride Impurity 12 | 1 |
| 20062-41-3 | 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine | 1 |
| 20069-09-4 | Piperlongumine, 98% | 1 |
| 20073-95-4 | N,N'-(Hexane-1,6-diyl)bis(2-hydroxybenzamide) | 1 |
| 20075-26-7 | 1-(Methoxymethyl)-1H-imidazole | 1 |
| 20107-67-9 | TetraiSopropyl (chloromethylene)bis(phosphonate) | 1 |
| 20123-80-2 | Calcium Dobesilate | 1 |
| 20126-59-4 | Diosmetin 7-O-beta-D-glucoside | 1 |
| 20126-76-5 | (-)-Terpinen-4-ol | 1 |
| 20133-93-1 | 1-Chloro-3-(1-naphthoxy)-2-propanol | 1 |
| 20150-34-9 | Ferrous glycinate, 98% | 1 |
| 20170-32-5 | 3-[3,5-Di(tert-butyl)-4-hydroxyphenyl]-propanoic acid | 1 |
| 20173-49-3 | Finerenone Pyridine N-oxide Impurity | 1 |
| 20183-47-5 | Tenuifolin | 1 |
| 20191-74-6 | 2-Ethyl-5-nitroaniline | 1 |
| 20194-18-7 | Benzyl Alcohol Sodium Salt | 1 |
| 20204-80-2 | 1,6-Anhydro-2,4-di-O-p-toluenesulfonyl-β-D-glucopyranose | 1 |
| 20211-76-1 | Lanthanum(III) chloride, 99.99% | 1 |
| 20225-24-5 | Valproic Acid EP Impurity B | 1 |
| 20229-56-5 | Quercetin 4'-Glucoside | 1 |
| 20232-39-7 | Tetrabenazine Related compound 1(Hydrochloride) | 1 |
| 20246-55-3 | Tripalmitolein | 1 |
| 20246-81-5 | 4,4'-Dinitro-[1,1'-biphenyl]-2,2'-dicarboxylic acid, 97% | 1 |
| 20248-86-6 | 4,4′-Bis(bromomethyl)biphenyl | 1 |
| 20261-38-5 | Ginkgolic Acid (C13:0) | 1 |
| 20262-76-4 | Patent Blue V Sodium | 1 |
| 20265-96-7 | p-Chloroaniline Hydrochloride | 1 |
| 20277-69-4 | Sodium methanesulfinate, 95% | 1 |
| 20279-38-3 | Succinic acid mono isopropyl ester | 1 |
| 20279-43-0 | Propyl pyruvate | 1 |
| 20283-92-5 | Rosmarinic acid, 96% | 1 |
| 20284-90-6 | 2,3,6-Triaminopyridine Dihydrochloride | 1 |
| 20287-97-2 | 21-Dehydrocorticosterone | 1 |
| 20289-26-3 | 4-Benzyloxyindole | 1 |
| 20289-27-4 | 7-Benzyloxyindole | 1 |
| 20290-48-6 | Dibenzo[b,f][1,4]thiazepin-11(10H)-one, 5-oxide | 1 |
| 20300-00-9 | Vamidothion Sulfoxide | 1 |
| 20301-63-7 | Thiometon-sulfone | 1 |
| 20306-75-6 | N-Methyl-3-oxobutanamide | 1 |
| 20312-37-2 | (R)-2-Hydroxy-4-methylpentanoic acid | 1 |
| 20315-25-7 | Procyanidin B1 | 1 |
| 20324-51-0 | 2-Chloro-6-mercapto-Benzoicacid, extra pure >95% | 1 |
| 20325-40-0 | o-Dianisidine dihydrochloride, ≥98% | 1 |
| 20328-15-8 | Ethyl 3-methylisoxazole-4-carboxylate | 1 |
| 20328-96-5 | Antimony nitrate | 1 |
| 20329-98-0 | 3,4,5-Trimethoxycinnamic acid | 1 |
| 20344-49-4 | Iron(III) oxide, hydrated | 1 |
| 20362-31-6 | Arctiin | 1 |
| 20367-38-8 | Albendazole EP Impurity G | 1 |
| 20377-80-4 | (1S,2R)-2-Chloro-cyclopentanol | 1 |
| 20380-56-7 | Tilidine EP Impurity A | 1 |
| 20402-55-5 | Norgestrel EP Impurity H | 1 |
| 20402-61-3 | Norgestrel EP Impurity C | 1 |
| 20402-62-4 | Levonorgestrel EP Impurity I | 1 |
| 20403-06-9 | Samarium(III) hydroxide, hydrate, 99% | 1 |
| 20405-64-5 | Copper(I) selenide, 99.95% trace metals basis | 1 |
| 20410-98-4 | 6a-Naltrexol | 1 |
| 20412-36-6 | 3-Pentyl Chloroformate | 1 |
| 20423-99-8 | Prednisolone Acetate EP Impurity D | 1 |
| 20427-59-2 | Copper hydroxide | 1 |
| 20430-18-6 | 2-Methyl-2-(p-tolyl)propanoic Acid | 1 |
| 20431-58-7 | 4-(Dimethylamino)-4'-nitrochalcone | 1 |
| 20439-47-8 | (1R,2R)-(−)-1,2-Diaminocyclohexane, 98% | 1 |
| 20440-94-2 | 4-Methoxy-N-(4-methoxyphenyl)-N-phenylaniline, 95% | 1 |
| 20443-98-5 | 2,6-Dichlorobenzyl Bromide | 1 |
| 20445-31-2 | (R)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic Acid | 1 |
| 20449-79-0 | Melittin | 1 |
| 20455-68-9 | Dibenzylamine hydrochloride | 1 |
| 20469-65-2 | 1-Bromo-3,5-dimethoxybenzene, 97% | 1 |
| 20495-99-2 | 3-Chloropropionic anhydride | 1 |
| 20496-01-9 | 4-Chlorobutanoic anhydride | 1 |
| 20511-12-0 | 2-Amino-5-iodopyridine, 98% | 1 |
| 20511-15-3 | 3-Amino-4-chloropyridine | 1 |
| 20513-09-1 | 8-Methyl-8-azabicyclo[3.2.1]oct-6-en-3-ol | 1 |
| 20526-97-0 | Azelastine EP Impurity E | 1 |
| 20529-23-1 | 3-(4-(2-Methoxyphenyl)piperazin-1-yl)propan-1-amine | 1 |
| 20535-28-8 | 2-Deoxy-D-erythro-pentopyranosyl Chloride Bis(4-methylbenzoate) (Mixture of α/β isomers) | 1 |
| 20535-83-5 | 6-O-Methylguanine | 1 |
| 20537-88-6 | Amifostine | 1 |
| 20541-99-5 | Methylamine, bis(beta-(phthalimido)ethyl) | 1 |
| 20542-97-6 | Ferric Borate | 1 |
| 20548-54-3 | Calcium sulphide | 1 |
| 20548-62-3 | Bis(7-methyloctyl) phthalate | 1 |
| 20554-84-1 | Parthenolide | 1 |
| 20559-55-1 | Oxibendazole | 1 |
| 20562-02-1 | alpha-Solanine | 1 |
| 20562-03-2 | Alpha-Chaconine | 1 |
| 20570-96-1 | Benzylhydrazine dihydrochloride, 97% | 1 |
| 20575-57-9 | Calycosin | 1 |
| 20585-34-6 | (S)-2-Cyclohexyl-2-hydroxy-phenylacetic Acid | 1 |
| 20587-29-5 | Methyl 4-methyl 2-nitrobenzoate | 1 |
| 20592-42-1 | Estrone Enol Diacetate | 1 |
| 20592-45-4 | 17-alpha-Acetoxy-4-chloroprogesterone | 1 |
| 20594-83-6 | Nalbuphine | 1 |
| 20596-93-4 | Uranyl magnesium acetate | 1 |
| 20619-12-9 | Chlorphenamine EP Impurity C | 1 |
| 20623-13-6 | Nitritocobalamin | 1 |
| 20624-25-3 | Disulfiram EP Impurity B (Sodium Salt) | 3 |
| 20624-87-7 | 3-Chloro-4,5-dimethoxybenzoic acid | 1 |
| 20627-44-5 | Perazine Sulfoxide | 1 |
| 20633-84-5 | Luteolin 7-O-rutinoside | 1 |
| 20634-12-2 | Tetraammineplatinum(II) nitrate, ≥50% Pt basis | 2 |
| 20640-68-0 | DL-Phenylmercapturic Acid | 1 |
| 20649-42-7 | trans-Coniferaldehyde | 1 |
| 20656-61-5 | Methyl 2-chloro-3-oxopropanoate | 1 |
| 20661-21-6 | Indium hydroxide nanopowder, APS 20-70 nm, 99.99% | 1 |
| 20662-14-0 | Scandium chloride, 99.99% | 1 |
| 20662-53-7 | Benperidol EP Impurity A | 1 |
| 20662-72-0 | Dimethyl 2-chlorosuccinate | 1 |
| 20667-12-3 | Silver oxide, ≥99% | 5 |
| 20675-51-8 | (+/-)-Cannabichromene | 1 |
| 20684-06-4 | Bamifylline Hydrochloride | 1 |
| 20689-96-7 | Rivaroxaban Nitroso Impurity 2 | 1 |
| 20691-84-3 | m-Methyl red, 98% | 1 |
| 20702-77-6 | Neohesperidine dihydrochalcone, 98% | 1 |
| 20708-81-0 | 17-epi-Nandrolone | 1 |
| 20710-47-8 | Iodomethane 13C,d3 | 1 |
| 20721-48-6 | S,S′-Dimethylxanthogenethylenebisdithiocarbamate | 1 |
| 20730-07-8 | Pyridine-2,5-dicarbonitrile | 1 |
| 20731-62-8 | Thulium(III) sulphate, 99.99% | 1 |
| 20734-58-1 | 1,8-Bis(dimethylamino)naphthalene | 1 |
| 20736-09-8 | Saikosaponin A | 1 |
| 20744-51-8 | Deoxystreptamine Kanosaminide | 1 |
| 20747-49-3 | (-)-Neomenthol | 1 |
| 20752-33-4 | (1R,2S,5S)-2-Isopropyl-5-methylcyclohexan-1-ol | 1 |
| 20752-34-5 | (1R,2R,5R)-2-Isopropyl-5-methylcyclohexan-1-ol | 1 |
| 20752-56-1 | Magnesium tartrate | 1 |
| 20762-60-1 | Potassium azide, ≥99.9% | 1 |
| 20765-98-4 | Rhodium(III) chloride, hydrate, crystalline, 99.9% | 2 |
| 20769-85-1 | 2-Bromoisobutyryl Bromide | 2 |
| 20776-48-1 | 2-Amino-6-bromobenzoic acid, 99% | 1 |
| 20776-50-5 | 4-Bromoanthranilic acid, 97% | 1 |
| 20778-47-6 | 1,1-Bis(cyanomethyl)cyclopropane | 1 |
| 20780-53-4 | R(+)STYRENE OXIDE [(R)-2-Phenyloxirane], extra pure >98% | 1 |
| 20780-54-5 | (S)-Styrene oxide | 2 |
| 20781-20-8 | 1-(2,4-Dimethoxyphenyl)methanamine | 1 |
| 20784-50-3 | Isobavachalcone | 1 |
| 20813-76-7 | In0sine-5-monophosphate disodium salt dihydrate, EP | 2 |
| 20814-06-6 | Europium (III) Sulphate | 1 |
| 20816-12-0 | Osmic acid, 99.9% | 3 |
| 20816-79-9 | 1-Bromo-8-Chloronaphthalene | 1 |
| 20826-04-4 | 5-Bromonicotinic acid, LR | 2 |
| 20830-75-5 | Digoxin | 1 |
| 20830-81-3 | Daunorubicin | 1 |
| 20831-76-9 | Gentiopicrin | 1 |
| 20845-01-6 | Hydroxylamine Phosphate, for synthesis | 1 |
| 20850-43-5 | Piperonyl chloride | 1 |
| 20850-49-1 | Verapamil EP Impurity K | 1 |
| 20857-47-0 | 3,5-Bis(Trifluoromethyl)Pyridine | 1 |
| 20859-02-3 | L-tert-Leucine, 99% | 1 |
| 20859-73-8 | Aluminum Phosphide | 1 |
| 20862-11-7 | N-Desisopropyl Propranolol | 1 |
| 20869-27-6 | Lactulose EP Impurity A | 1 |
| 20874-52-6 | Saikosaponin D | 1 |
| 20880-67-5 | Phenoxymethylpenicillin EP Impurity D | 1 |
| 20880-92-6 | Topiramate EP Impurity A | 1 |
| 20893-30-5 | 2-Thiopheneacetonitrile, 97% | 1 |
| 20895-90-3 | 1-(2-Chloro-6-nitrophenyl)ethanone | 1 |
| 20896-27-9 | Methyl-4-amino-5-chloro-2-methoxybenzoate | 1 |
| 20897-91-0 | Alprostadil EP Impurity D | 1 |
| 20902-45-8 | D-Penicillamine Disulfide | 1 |
| 20925-64-8 | Ivabradine Impurity 51 | 1 |
| 20925-85-3 | 2,3,4,5,6-Pentachlorobenzonitrile | 1 |
| 20927-53-1 | Diazepam EP Impurity E | 1 |
| 20959-33-5 | 7-Methylheptadecane | 1 |
| 20972-36-5 | (2E)-4-(4-Methylphenyl)-4-oxobut-2-enoic acid | 1 |
| 20977-05-3 | Sodium aescinate | 1 |
| 20980-22-7 | Buspirone EP Impurity A | 1 |
| 20989-17-7 | L-Phenylglycinol | 1 |
| 21002-80-2 | Testosterone-2,2,4,6,6-D5 | 1 |
| 21003-46-3 | Alprostadil EP Impurity F | 1 |
| 21018-84-8 | Amarogentin | 1 |
| 21040-64-2 | Spiradine F | 1 |
| 21041-10-1 | Dihydronarwedine | 1 |
| 21041-93-0 | Cobalt(II) hydroxide, 95% | 1 |
| 21049-39-8 | Sodium perfluorononanoate | 1 |
| 21050-13-5 | Bis(triphenylphosphoranylidene)ammonium Chloride | 1 |
| 21064-18-6 | 4-Amino-N-(1-carboxyethyl)-glutaramic Acid | 1 |
| 21080-92-2 | Ticarcillin EP Impurity C | 1 |
| 21082-33-7 | Orcinol-Beta-D-glucoside | 1 |
| 21085-72-3 | Acetobromo-α-D-glucuronic Acid Methyl Ester | 1 |
| 21087-64-9 | Metribuzin | 1 |
| 21087-77-4 | Progoitrin potassium salt | 1 |
| 21087-98-9 | Koenimbine | 1 |
| 21093-14-1 | rac-Epinephrine-3-O-sulfate sodium salt | 1 |
| 21093-18-5 | Epinephrine Sulfate | 1 |
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