42294-52-0

• 常用中文名：L-半胱氨酸
• 常用英文名：S-(4-Methylbenzyl)-L-cysteine
• CAS号：42294-52-0
• 分子式：C₁₁H₁₅NO₂S
• 分子量：225.307
• 发布时间：2018-04-26 08:00:00
• 更新时间：2025-08-26 18:28:51

名称

• 中文名: L-半胱氨酸
• 英文名: (2R)-2-amino-3-[(4-methylphenyl)methylsulfanyl]propanoic acid
• 英文别名: S-(4-Methylbenzyl)-L-cysteine; (R)-2-Amino-3-((4-methylbenzyl)thio)propanoic acid; 3-(p-methyl benzylthio) alanine; L-Cysteine, S-[(4-methylphenyl)methyl]-; S-(4-methylbenzyl)cysteine; S-p-Methylbenzyl-L-cysteine; H-Cys(MBzl)-OH; AmbotzHAA6090; S-<(4-methylphenyl)methyl>-L-cysteine

物化性质

• 密度: 1.2±0.1 g/cm3
• 沸点: 392.9±42.0 °C at 760 mmHg
• 分子式: C₁₁H₁₅NO₂S
• 分子量: 225.307
• 闪点: 191.4±27.9 °C
• 精确质量: 225.082352
• PSA: 88.62000
• LogP: 2.56
• 蒸汽压: 0.0±1.0 mmHg at 25°C
• 折射率: 1.599
• 储存条件: 室温

安全

• 海关编码: 2930909090

合成路线

52-90-4 104-82-5 ~97% 42294-52-0

文献：Wlostowski, Marek; Czarnocka, Sylwia; MacIejewski, Piotr Tetrahedron Letters, 2010 , vol. 51, # 46 p. 5977 - 5979

52-89-1 ~% 42294-52-0

文献：Enomoto, Hiroshi; Morikawa, Yuko; Miyake, Yurika; Tsuji, Fumio; Mizuchi, Maki; Suhara, Hiroshi; Fujimura, Ken-ichi; Horiuchi, Masato; Ban, Masakazu Bioorganic and Medicinal Chemistry Letters, 2009 , vol. 19, # 2 p. 442 - 446

52-90-4 589-18-4 ~37% 42294-52-0

文献：Richter, Lutz S.; Marsters Jr., James C.; Gadek, Thomas R. Tetrahedron Letters, 1994 , vol. 35, # 11 p. 1631 - 1634

52-89-1 104-81-4 ~% 42294-52-0

文献：Erickson,B.W.; Merrifield,R.B. Journal of the American Chemical Society, 1973 , vol. 95, # 11 p. 3750 - 3756 Full Text View citing articles Show Details Erickson,B.W.; Merrifield,R.B. Israel Journal of Chemistry, 1974 , vol. 12, # 1-2 p. 79 - 85

198991-77-4 ~% 42294-52-0

文献：Richter, Lutz S.; Marsters Jr., James C.; Gadek, Thomas R. Tetrahedron Letters, 1994 , vol. 35, # 11 p. 1631 - 1634

上下游产品

上游产品  6
52-90-4 104-82-5 52-89-1 589-18-4
104-81-4 198991-77-4
下游产品  3
61925-77-7 56-89-3 136050-67-4

海关

海关编码	2930909090
中文概述	2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%