| CASµÇ¼ºÅ | ÖÐÎÄÃû | Ó¢ÎÄÃû | ·Ö×ӽṹʽ | ·Ö×Óʽ | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-01-1 | ÑÎËáëÒ | Guanidine hydrochloride; Guanidine,monohydrochloride (8CI,9CI); Buffer AL; Guanidine chloride; Guanidinehydrochloride; Guanidinium chloride; Guanidinium hydrochloride; | ![]() | CH6ClN3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-02-2 | µØÈûÃ×ËÉ | Dexamethasone; 9alpha-Fluoro-11beta,17alpha,21-trihydroxy-16alpha-methylpregn-1,4-diene-3,20-dione | ![]() | C22H29FO5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-03-3 | ´×ËáÇ⻯¿ÉµÄËÉ; ÒÒËáÇ⻯¿ÉµÄËÉ | Hydrocortisone acetate; Cortisol acetate; Hydrocortisone-21-acetate; Cortisol 21-acetate; 21-Acetoxy-4-pregnene-11b,17a-diol-3,20-dione | ![]() | C23H32O6 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-04-4 | ´×Ëá¿ÉµÄËÉ | Cortisone acetate; Cortisone-21-acetate; 21-Acetoxypregnen-17a-ol-3,11,20-trione | ![]() | C23H30O6 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-23-7 | Ç⻯¿ÉµÄËÉ | Hydrocortisone; Cortisol; 11-beta,17-alpha,21-trihydroxypregn-4-ene-3,20-dione; Hydrocortisone Base | ![]() | C21H30O5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-24-8 | ÆÃÄáËÉÁú; Ç⻯ÆÃÄáËÉ; È¥ÇâÇ⻯¿ÉµÄËÉ | Prednisolone; 11beta,17alpha,21-Trihydroxypregna-1,4-diene-3,20-dione; 1,4-Pregnadiene-11b,17a,21-triol-3,20-dione | ![]() | C21H28O5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-33-9 | ±£Ì©ËÉ; ±½»ù¶¡µªÍª; 4-¶¡»ù-1,2-¶þ±½»ù-3,5-ßÁßòÍé¶þͪ | Phenylbutazone; 4-Butyl-1,2-diphenyl-3,5-pyrazolidinedione; 1,2-Diphenyl-3,5-dioxo-4-n-butylpyrazoline | ![]() | C19H20N2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-44-2 | 6-ÛÏ»ùàÑßÊ | 6-Mercaptopurine; 1,7-Dihydro-6H-purine-6-thione; 3H-Purine-6-thiol; 6-Thioxopurine; 7-Mercapto-1,3,4,6-tetrazaindene | ![]() | C5H4N4S | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-03-6 | ÔöЧÃÑ; ºú½·»ù¶¡ÃÑ; 3,4-ÑǼ׶þÑõ»ù-6-Õý±û»ùÜлùÕý¶¡»ù¶þËõÒÒ¶þ´¼ÃÑ | Piperonyl butoxide; 2-(2-Butoxyethoxy)ethyl 6-propylpiperonyl ether; 4,5-Methylenedioxy-2-propylbenzyldiethyleneglycol butyl ether; PBO | ![]() | C19H30O5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-48-9 | L-¼××´ÏÙËØ; O-(4-ôÇ»ù-3,5-¶þµâ±½»ù)-3,5-¶þµâ-L-ÀÒ°±Ëá | L-Thyroxine; 3,3',5,5'-Tetraiodo-L-thyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine; L-2-Amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propanoic acid | ![]() | C15H11I4NO4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-60-5 | ¼×»ÇËáÐÂ˹µÄÃ÷; ¼×»ùÁòËáÐÂ˹µÄÃ÷; N,N,N-Èý¼×»ù-2-[(¶þ¼×°±»ù)¼×õ£Ñõ»ù]±½ï§¼×»ÇËáÑÎ | Neostigmine methyl sulfate; 3-[[(Dimethylamino)carbonyl]oxy]-N,N,N-trimethylbenzenaminium methyl sulfate | ![]() | C13H22N2O6S | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-83-2 | ¿¨°Íµ¨¼î; ÂÈ»¯ï§¼×õ£µ¨¼î; °±¼×õ£µ¨¼îÑÎËáÑÎ; ¿¨°Í¿É; (2-°±»ù¼×õ£ÑõÒÒ»ù)Èý¼×»ùÂÈ»¯ï§ | Carbachol; (2-Hydroxyethyl)trimethylammonium chloride carbamate; Carbamylcholine chloride | ![]() | C6H15ClN2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-98-9 | Ȳŵͪ´×Ëáõ¥; ´×ËáȲŵͪ | 19-Norethindrone acetate; 17a-Ethynyl-19-nortestosterone 17b-acetate; 17-Hydroxy-19-nor-17a-4-pregnen-20-yn-3-one acetate | ![]() | C22H28O3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-01-7 | ÂÝÄÚõ¥; 17beta-ôÇ»ù-3-Ñõ-7alpha-(ÒÒõ£Áò»ù)-17alpha-ÔÐçÞ-4-Ï©-21-ôÈËá-gamma-ÄÚõ¥ | Spironolactone; 17-Hydroxy-7-alpha-mercapto-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid-gamma-lactone-7-acetate | ![]() | C24H32O4S | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-21-1 | ´×ËáÆÃÄáËÉÁú; 11b,17a,21-ÈýôÇ»ùÔÐçÞ-1,4-¶þÏ©-3,20-¶þͪ-21-´×Ëáõ¥ | Prednisolone-21-acetate; 11b,17,21-Trihydroxypregna-1,4-diene-3,20-dione 21-acetate | ![]() | C23H30O6 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-51-7 | 2-äå-2-Ïõ»ù-1,3-±û´¼; ²¼ÂÞ²¨¶û; äåÏõ´¼ | 2-Bromo-2-nitro-1,3-propanediol; Bronopol | ![]() | C3H6BrNO4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-68-6 | µÐ°Ù³æ; O,O-¶þ¼×»ù-(2,2,2-ÈýÂÈ-1-ôÇ»ùÒÒ»ù)Á×Ëáõ¥ | Trichlorfon; Dipterex; Chlorophos; DEP; Metriphonate; O,O-Dimethyl-2,2,2-trichloro-1-hydroxy-ethyl-phosphonate ester | ![]() | C4H8Cl3O4P | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-78-8 | ÒÒŵͪ | Norethandrolone; 17alpha-Ethyl-17beta-hydroxyestr-4-en-3-one; 17a-Ethyl-17-hydroxy-19-norandrost-4-en-3-one; 17a-Ethyl-17-hydroxy-4-norandrosten-3-one; 17a-Ethyl-19-nortestosterone | ![]() | C20H30O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 52-90-4 | L-°ëë×°±Ëá; L-beta-ÛÏ»ù±û°±Ëá | L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-Mercaptoalanine; CySH | ![]() | C3H7NO2S | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-03-2 | ÆÃÄáËÉ; Ç¿µÄËÉ; È¥Çâ¿ÉµÄËÉ | Prednisone; 1,4-Pregnadiene-17a,21-diol-3,11,20-trione; 17,21-Dihydroxypregna-1,4-diene-3,11,20-trione | ![]() | C21H26O5 | ÏêÇé | ¹©Ó¦ÉÌ |