| 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 |
| 50-35-1 | ɳÀû¶È°·; ̪ßäßßà¤Íª; N-(2,6-¶þÑõ´ú-3-ßßऻù)-ÁÚ±½¶þ¼×õ£Ñǰ· | Thalidomide; 2-(2,6-Dioxo-3-piperidinyl)-1H-isoindole-1,3(2H)-dione | ![]() | C13H10N2O4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-71-5 | °¢ëå; ËÄÑõà×ठ| Alloxan; 2,4,5,6(1H,3H)-Pyrimidinetetraone | ![]() | C4H2N2O4 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-89-5 | beta-ÐØÜÕ; beta-ÐØß°; ÐØÏÙà×à¤ÍÑÑõºËÜÕ; 2'-ÍÑÑõÐØÏÙà×ऺËÜÕ | Thymidine; 1-(2-Deoxy-beta-D-ribofuranosyl)-5-methyluracil; 1-(2-Deoxy-beta-D-ribofuranosyl)thymine; Thymine deoxyriboside; 2'-Deoxythymidine; 5-Methyldeoxyuridine | ![]() | C10H14N2O5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 50-91-9 | 5-·ú-2'-ÍÑÑõëåºËÜÕ; ·úëåÍÑÑõºËÜÕ | Floxuridine; Fluorodeoxyuridine; Fluoruridine deoxyribose; 2'-Deoxy-5-fluorouridine; (+)-5-Fluoro-2'-deoxyuridine | ![]() | C9H11FN2O5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-15-0 | 2-ßÁà¤È©ë¿¼×ÂÈ | 2-Pyridinealdoxime methochloride; 2-PAM chloride; Pralidoxime chloride | ![]() | C7H9ClN2O | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-20-7 | 5-äåÄòà×ठ| 5-Bromouracil; 5-Bromo-2,4(1H,3H)-pyrimidinedione; 5-Bromopyrimidine-2,4-diol | ![]() | C4H3BrN2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 51-21-8 | 5-·úëåà×à¤; 5-·ú-2,4(1H,3H)-à×शþͪ | 5-Fluorouracil; 5-Fluoro-2,4(1H,3H)-pyrimidinedione; 5-Fluoro-2,4-pyrimidinedione; 5-Fluoropyrimidine-2,4-dione | ![]() | C4H3FN2O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-59-8 | ÑÌõ£°·ÏÙàÑßÊË«ºËÜÕËáÁ×ËáÑÎ; ÑÌõ£°·ÏÙàÑßÊË«ºËß°ËáÁ×ËáÑÎ; ¸¨Ã¸II; NADP | Triphosphopyridine nucleotide; beta-Nicotinamide adenine dinucleotide phosphate; beta-NADP | ![]() | C21H28N7O17P3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 53-84-9 | ÑÌõ£°·ÏÙàÑßÊË«ºËÜÕËá; ÑÌõ£°·ÏÙàÑßÊË«ºËß°Ëá; ¸¨Ã¸I; NAD | beta-Diphosphopyridine nucleotide; beta-Nicotinamide adenine dinucleotide; beta-DPN; beta-NAD | ![]() | C21H27N7O14P2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 54-42-2 | 5-µâ-2'-ÍÑÑõÄòÜÕ; 5-µâ´ú-2'-ÍÑÑõÄòà×ऺËÜÕ; µâÜÕ | (+)-5-Iodo-2'-deoxyuridine; 2'-Deoxy-5-iodouridine; Idoxuridine; IDU | ![]() | C9H11IN2O5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 54-96-6 | 3,4-¶þ°±»ùßÁठ| 3,4-Diaminopyridine; 3,4-Diaminopyridine | ![]() | C5H7N3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 55-22-1 | ÒìÑÌËá; 4-ßÁ़×Ëá | Isonicotinic acid; 4-Pyridinecarboxylic acid; Pyridine-4-carboxylic acid | ![]() | C6H5NO2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 55-56-1 | Âȼº¶¨; Ï´±ØÌ©; 1,1'-¼º»ùË«[5-(¶ÔÂȱ½»ù)Ë«ëÒ] | Chlorhexidine; Bis(5-(p-chlorophenyl)biguanidinio)hexane; Hexamethylenebis(5-(4-chlorophenyl)biguanide); N,N'-Bis(4-chlorophenyl)-3,12-diimino-tetraazatetradecanediimidamide | ![]() | C22H30Cl2N10 | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-03-1 | Ë«ëÒ; 1-(¶þ°±»ùÑǼ׻ù)ëÒ | Biguanide; 1-(Diaminomethylidene)guanidine | ![]() | C2H7N5 | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-05-3 | 2-°±»ù-4,6-¶þÂÈà×ठ| 2-Amino-4,6-dichloropyrimidine; 4,6-Dichloropyrimidin-2-ylamine; 4,6-Dichloro-2-pyrimidinamine | ![]() | C4H3Cl2N3 | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-06-4 | 2,4-¶þ°±»ù-6-ôÇ»ùà×ठ| 2,4-Diamino-6-hydroxypyrimidine; 2,6-Diamino-4-pyrimidinol; 2,6-Diamino-4-pyrimidinone | ![]() | C4H6N4O | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-09-7 | 2-°±»ù-4,6-¶þôÇ»ùà×ठ| 2-Amino-4,6-dihydroxypyrimidine; 2-Amino-6-hydroxy-1H-pyrimidin-4-one; 2-Aminopyrimidine-4,6-diol | ![]() | C4H5N3O2 | ÏêÇé | ¹©Ó¦ÉÌ |
| 56-25-7 | °ßòúËØ; ÁùÇâ-3a,7a-¶þ¼×»ù-4,7-»·ÑõÒì±½²¢ß»à«-1,3-¶þͪ | Cantharidin; Dimethyl-3,6-epoxyperhydrophthalic anhydride; (1R,2S,3R,6S)-1,2-Dimethyl-3,6-epoxycyclohexane-1,2-dicarboxylic anhydride | ![]() | C10H12O4 | ÏêÇé | ¹©Ó¦ÉÌ |