| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 52-67-5 | 青霉胺; D-青霉胺; 3,3-二甲基-D(-)-半胱胺酸 | D-(-)-Penicillamine; 3,3-Dimethyl-D(-)-Cysteine |  | C5H11NO2S | 详情 | 供应商 |
| 52-89-1 | L-半胱氨酸盐酸盐(无水物) | L-Cysteine hydrochloride; (r)-Cysteinehydrochloride; (R)-Cysteine-hydrochloride; 3-Mercaptoalanine hydrochloride; Cystein chloride; Cysteine chlorhydrate; Cysteine chlorohydrate; Cysteine, hydrochloride, L-; Cysteinechlorhydrate |  | C3H8ClNO2S | 详情 | 供应商 |
| 52-90-4 | L-半胱氨酸; L-beta-巯基丙氨酸 | L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-Mercaptoalanine; CySH |  | C3H7NO2S | 详情 | 供应商 |
| 454-29-5 | DL-高半胱氨酸; 2-氨基-4-巯基丁酸 | DL-HomoCysteine; 2-Amino-4-mercaptobutyric acid |  | C4H9NO2S | 详情 | 供应商 |
| 616-91-1 | N-乙酰-L-半胱氨酸; N-乙酰-L-beta-巯基丙氨酸 | N-Acetyl-Cysteine; N-Acetyl-L-(+)-Cysteine |  | C5H9NO3S | 详情 | 供应商 |
| 638-23-3 | S-羧甲基-L-半胱氨酸; 羧甲基半胱氨酸 | S-Carboxymethyl-L-Cysteine; 3-Carboxymethylthio-L-alanine; CarboCysteine |  | C5H9NO4S | 详情 | 供应商 |
| 868-59-7 | L-半胱氨酸乙酯盐酸盐 | L-Cysteine ethyl ester hydrochloride; Ethyl Cysteine hydrochloride |  | C5H12ClNO2S | 详情 | 供应商 |
| 921-01-7 | D-半胱氨酸; (S)-2-氨基-3-巯基丙酸 | D-Cysteine; (S)-2-Amino-3-mercaptopropionic acid |  | C3H7NO2S | 详情 | 供应商 |
| 1187-84-4 | S-甲基-L-半胱氨酸 | S-Methyl-L-Cysteine; (R)-2-Amino-3-(methylmercapto)propionic acid |  | C4H9NO2S | 详情 | 供应商 |
| 1625-72-5 | S-Cbz-L-半胱氨酸; S-苄氧羰基-L-半胱氨酸 | S-Cbz-L-Cysteine; S-Carbobenzoxy-L-Cysteine; L-Cysteine(Z)-OH; H-Cys(Z)-OH |  | C11H13NO4S | 详情 | 供应商 |
| 2481-09-6 | S-叔丁基-L-半胱氨酸盐酸盐 | S-tert-Butyl-L-Cysteine hydrochloride; Alanine,3-(tert-butylthio)-, hydrochloride (7CI); Alanine, 3-(tert-butylthio)-,hydrochloride, L- (8CI); L-Cysteine, S-(1,1-dimethylethyl)-, hydrochloride(9CI); S-tert-Butyl-L-Cysteine hydrochloride |  | C7H15NO2S.HCl | 详情 | 供应商 |
| 2481-10-9 | D-S-叔丁基半胱氨酸; (R)-2-氨基-3-(叔丁基硫)丙酸 | D-S-tert-ButylCysteine; (R)-2-Amino-3-(St-butylthio)propanoic acid |  | C7H15NO2S | 详情 | 供应商 |
| 2544-31-2 | S-(4-甲氧基苄基)-L-半胱氨酸; 2-氨基-3-[(4-甲氧基苄基)硫]丙酸 | 2-Amino-3-[(4-methoxybenzyl)thio]propanoic acid; S-(4-Methoxybenzyl)-L-Cysteine; H-Cys(pMeOBzl)-OH |  | C11H15NO3S | 详情 | 供应商 |
| 2799-07-7 | S-三苯甲基-L-半胱氨酸 | S-Trityl-L-Cysteine; S-Triphenylmethyl-L-Cysteine |  | C22H21NO2S | 详情 | 供应商 |
| 3054-01-1 | S-苄基-L-半胱氨酸 | S-Benzyl-L-Cysteine |  | C10H13NO2S | 详情 | 供应商 |
| 3374-22-9 | DL-半胱氨酸 | DL-Cysteine; 2-Amino-3-mercaptopropionic acid |  | C3H7NO2S | 详情 | 供应商 |
| 4134-56-9 | S-丁基-D-半胱氨酸; (R)-2-氨基-3-(丁基硫)丙酸 | S-Butyl-D-Cysteine; (R)-2-Amino-3-(S-butylthio)propanoic acid |  | C7H15NO2S | 详情 | 供应商 |
| 5068-28-0 | Boc-S-苄基-L-半光氨酸; 叔丁氧羰基-S-苄基-L-半光氨酸 | Boc-S-Benzyl-L-Cysteine; N-(tert-Butoxycarbonyl)-S-benzyl-L-Cysteine |  | C15H21NO4S | 详情 | 供应商 |
| 6038-19-3 | DL-高半胱氨酸硫内酯盐酸盐 | DL-HomoCysteinethiolactone hydrochloride; DL-2-Amino-4-mercaptobutyric acid 1,4-thiolactone hydrochloride |  | C4H8ClNOS | 详情 | 供应商 |
| 6853-87-8 | S-甲基-L-半胱氨酸亚砜 | S-Methyl-L-Cysteine sulfoxide; S-MethylCysteine S-oxide; (2S)-2-Amino-3-methylsulfinylpropanoic acid |  | C4H9NO3S | 详情 | 供应商 |
