一种脂肪族的含硫氨基酸。无色晶体,易溶于水、乙醇及氨水,在水中呈中性。在体内可以合成;2分子半胱氨酸可在中性或微碱性溶液中形成胱氨酸。它是谷胱甘肽的组成成分,其残基中的巯基是某些酶的重要组成部分。在肝脏中可生成牛磺酸。临床主要用于肝炎辅助治疗和解毒。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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N-叔丁氧羰基-S-三苯甲基-L-半胱氨酸 | N-tert-butyloxycarbonyl-S-trityl-L-cysteine | 21947-98-8 | C27H29NO4S |
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N-叔丁氧羰基-S-[(乙酰氨基)甲基]-L-半胱氨酸 4-硝基苯酯 | Boc-Cys(Acm)-ONp | 58651-76-6 | C17H23N3O7S |
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N-叔丁氧羰基-S-(4-甲氧基苄基)-D-半胱氨酸 | N-tert-butyloxycarbonyl-S-p-methoxybenzyl-D-cysteine | 58290-35-0 | C16H23NO5S |
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N-乙酰基卞基半胱氨酸 | N-acetyl-S-benzyl-L-cysteine | 19542-77-9 | C12H15NO3S |
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N-乙酰基-S-香叶基香叶基-L-半胱氨酸 | N-Acetyl-S-geranylgeranyl-L-cysteine (AGGC) | 139332-94-8 | C25H41NO3S |
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N-乙酰基-S-苯基-L-甲基半胱氨酸酉酯 | (+)-2-acetamido-3-benzylthiopropanoic acid methyl ester | 77549-14-5 | C13H17NO3S |
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N-乙酰基-S-苄基DL-半胱氨酸/巯基丙氨酸 | N-acetyl-S-benzyl-D,L-cysteine | 19538-71-7 | C12H15NO3S |
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N-乙酰基-S-苄基-D-半胱氨酸 | S-Benzyl-N-acetyl-D-Cys | 161512-71-6 | C12H15NO3S |
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N-乙酰基-S-法呢基-L-半胱氨酸 | N-acetyl-S-farnesyl-L-cysteine | 135304-07-3 | C20H33NO3S |
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N-乙酰基-S-丙基-L-半胱氨酸 | N-acetyl-S-propyl-L-cysteine | 14402-54-1 | C8H15NO3S |
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N-乙酰基-L-半胱氨酸 | N-Acetylcystein | 7218-04-4 | C5H9NO3S |
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N-乙酰基-D-半胱氨酸 | (S)-N-acetylcysteine | 26117-28-2 | C5H9NO3S |
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N-乙酰-S-(4-硝基苯基)-L-半胱氨酸 | N-acetyl-S-(4-nitrophenyl)-L-cysteine | 91088-55-0 | C11H12N2O5S |
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N-乙酰-S-(3,4-二羟基丁基)-L-半胱氨酸 | N-acetyl-S-(3,4-dihydroxybutyl)-L-cysteine | 144889-50-9 | C9H17NO5S |
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N-乙酰-L-半胱氨酸乙酯 | N-acetyl-L-cysteine ethyl ester | 59587-09-6 | C7H13NO3S |
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N-Α-叔丁氧羰基-S-(9-芴甲基)-L-半胱氨酸 | N<sup>α</sup>-tert-butyloxycarbonyl-(S)-9-fluorenylmethylcysteine | 84888-35-7 | C22H25NO4S |
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N-Z-S-苯基-L-半胱氨酸 | N-benzyloxycarbonyl-S-phenyl-L-cysteine | 159453-24-4 | C17H17NO4S |
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N-Fmoc-S-三苯甲基-D-半胱氨酸 | Fmoc-D-Cys(Trt)-OH | 167015-11-4 | C37H31NO4S |
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N-Fmoc-S-(4-甲氧基苄基)-L-半胱氨酸 | Fmoc-Cys(MBzl)-OH | 141892-41-3 | C26H25NO5S |
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N-FMOC-S-三苯甲基-L-高半胱氨酸 | Fmoc-hCys(Trt)-OH | 167015-23-8 | C38H33NO4S |
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N-(叔丁氧羰基L)-S-甲基-L-半胱氨酸 | N-(tert-butoxycarbonyl)-S-methyl-L-cysteine | 16947-80-1 | C9H17NO4S |
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N-(叔丁氧羰基L)-S-乙基-L-半胱氨酸 | Boc-Cys(Et)-OH | 16947-82-3 | C10H19NO4S |
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N-(叔-丁氧基羰基)-L-半胱氨酸甲酯 | N-(tert-Butoxycarbonyl)-L-cysteine methyl ester | 55757-46-5 | C9H17NO4S |
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N-(9-芴甲氧羰基)-S-叔丁基-L-半胱氨酸 | 3-tert-butylsulfanyl-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid | 67436-13-9 | C22H25NO4S |
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N-(2H3)乙酰半胱氨酸 | N-[2H3]Acetylcysteine | 131685-11-5 | C5H9NO3S |
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N,N-二乙酰基-L-半胱氨酸 | N,N-Diacetylcysteine | 74401-71-1 | C7H11NO4S |
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N,N'-乙基二-L-半胱氨酸 | N,N'-ethylenebis(L-cysteine) | 14344-48-0 | C8H16N2O4S2 |
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L-高半胱氨酸硫代内酯盐酸盐 | L-homocysteine thiolactone hydrochloride | 31828-68-9 | C4H7NOS*ClH |
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L-高半胱氨酸亚磺酸 | L-Homocysteinesulfinic acid | 2686-70-6 | C4H9NO4S |
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L-高半胱氨酸 | L-homocysteine | 6027-13-0 | C4H9NO2S |
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L-赖氨酸S-羧甲基-L-半胱氨酸 | Carbocysteine lysine | 49673-81-6 | C11H23N3O6S |
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L-半胱氨酸盐酸盐无水物 | l-cysteine hydrochloride | 52-89-1 | C3H8NO2S*Cl |
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L-半胱氨酸甲酯盐酸盐 | (L)-cysteine methyl ester hydrochloride | 871018-11-0 | C4H10NO2S*Cl |
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L-半胱氨酸异丙酯盐酸盐 | Propan-2-yl 2-azanyl-3-sulfanyl-propanoate hydrochloride | 73255-49-9 | C6H14ClNO2S |
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L-半胱氨酸乙酯盐酸盐 | L-cysteine ethyl ester hydrochloride | 868-59-7 | C5H12NO2S*Cl |
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Fmoc-S-三苯甲基-L-半胱氨酸 | N-(9-fluorenylmethoxycarbonyl)-S-trityl-L-cysteine | 103213-32-7 | C37H31NO4S |
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Fmoc-S-2-羟乙基-L-半胱氨酸 | Fmoc-S-2-hydroxyethyl-L-cysteine | 200354-35-4 | C20H21NO5S |
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Fmoc-S-(4-甲氧基三苯甲基)-L-半胱氨酸 | fmoc-S-4-methoxytrityl-L-cysteine | 177582-21-7 | C38H33NO5S |
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Fmoc-S-(4-甲基苄基)-L-半胱氨酸 | Fmoc-Cys(meb)-OH | 136050-67-4 | C26H25NO4S |
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FMOC-半胱氨酸(MTT)-OH | Fmoc-Cys(Mtt)-OH | 269067-38-1 | C38H33NO4S |
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DL-高半胱氨酸硫内酯盐酸盐 | 3-aminodihydrothiophen-2(3H)-one hydrochloride | 6038-19-3 | C4H7NOS*ClH |
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DL-高半胱氨酸 | 2-amino-4-mercaptobutyric acid | 454-29-5 | C4H9NO2S |
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DL-半胱氨酸盐酸盐 | DL-cysteine hydrochloride | 10318-18-0 | C3H8NO2S*Cl |
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DL-半胱氨酸 | rac-cysteine | 3374-22-9 | C3H7NO2S |
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D-半胱氨酸盐酸盐单水合物. | D-cysteine hydrochloride monohydrate | 207121-46-8 | C3H7NO2S*ClH*H2O |
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D-半胱氨酸盐酸盐 | D-cysteine hydrochloride | 32443-99-5 | C3H7NO2S*ClH |
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D-S-叔丁基半胱氨酸 | S-tert.-Butyl-L-cystein | 2481-10-9 | C7H15NO2S |
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Boc-S-叔-丁基巯基-L-半胱氨酸 | Boc-Cys(S-tBu)-OH | 30044-61-2 | C12H23NO4S2 |
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Boc-S-(4-甲氧基苄基)-L-半胱氨酸 | N-(tert-butyloxycarbonyl)-S-(4-methoxybenzyl)cysteine | 18942-46-6 | C16H23NO5S |
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BOC-L-半胱氨酸 | N-(tert-Butyloxycarbonyl)-L-cysteine | 20887-95-0 | C8H15NO4S |
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