CAS: 923-32-0; Dl-Cystine

• 英文名称Dl-Cystine
• 中文名称DL-胱氨酸
• IUPAC名称3,3'-disulfanediylbis(2-aminopropanoic acid)
• 其它别名Dl胱氨酸
• CAS编号923-32-0
• MFCD编号:MFCD00084652
• EINECS号:213-094-5
• 分子式:C6H12N2O4S2
• 分子量:240.29
• 产品CID: 1961192
• 产品分类有机原料→生命科学→氨基酸及其衍生物→半胱氨酸及其衍生物

• 相似结构搜索
• InChIKey: LEVWYRKDKASIDU-UHFFFAOYNA-N
• InChI=1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)…
• 计算化学: 氢键受体数6.0氢键供体数4.0可旋转键数7.0

相似化合物

物理性质

• 熔点227°C
• 沸点468.2°C at 760 mmHg
• 闪点237°C
• 密度1.6±0.1 g/cm3
• pKa:2.1(at 35°C)
• PSA:126.64
• LogP:-0.8084
• 折射率1.653
• 蒸汽压0.0±2.5 mmHg at 25°C
• 溶解性1 M Hcl: Soluble
• 敏感性常温常压下稳定，避免强氧化剂接触
• 外观形态白色粉末
• 储存条件请置于阴暗处, 惰性气氛中,室温
• 产品应用该化合物用于制备含硫的碳氢化合物和单体表面活性剂.
• 性质描述白色结晶粉末,熔点227°C

MSDS等安全信息

• GHS象形图
• GHS符号GHS07;
  注释: Exclamation mark
• 危险类别急性毒性 类别4(经口)
• 警示词Warning(警告)
• 危险描述H302 |吞咽有害.
• 防范说明P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
• UN编号NONH for all modes of transport
• 危险品标志Xn,Xi
• 安全声明37/39-26-24/25-36
• 危险类别码36/37/38-22
• WGK Germany3

欧盟法规

上下游产品

合成工艺路线路线简述

• 56-89-3 = 923-32-0
  反应条件:1.1 Reagents: Hydrochloric Acid Catalysts: Salicylaldehyde Solvents: Water1.2 Reagents: Ammonia Solvents: Water
  标题:Preparation Of Dl-Cystine
  参考文献:Japan]
  
  1809257-97-3 + 1809258-16-9 = 923-32-0
  反应条件:1.1 Reagents: Hydrochloric Acid Solvents: Water; 16 H,Reflux
  标题:Biosynthesis Of Thiomarinol A And Related Metabolites Of Pseudoalteromonas Sp. Sank 73390
  作者:Murphy,Annabel C.; Gao,Shu-Shan; Han,Li-Chen; Carobene,Simon; Fukuda,Daisuke; Et Al
  参考文献:Chemical Science 日期:2014 卷标:5(1) 页码:397-402]
  
  3374-22-9 = 923-32-0
  反应条件:1.1 Reagents: 1,4-Benzenediamine,N1,N1-Dimethyl-,Sulfate (1:1),Disodium Sulfide,Hydrochloric Acid,Iron Chloride (Fecl3) Solvents: Water; 60 Min,Rt1.2 Reagents: Benzaldehyde,S-Benzoylthiooxime Catalysts: Zinc Acetate Solvents: Tetrahydrofuran,Water; 37 °C1.3 Reagents: 1,4-Benzenediamine,N1,N1-Dimethyl-,Sulfate (1:1),Hydrochloric Acid,Iron Chloride (Fecl3) Solvents: Water; 1 H,Rt
  标题:Core-Cross-Linking Of Polymeric Micelles By Di-Para-Substituted S-Aroylthiooximes As Linkers For Controlled H2S Release
  作者:Rong,Fan; Wang,Tengjiao; Wang,Kun; Zhou,Qian; Peng,Haowei; Et Al
  参考文献:Acs Macro Letters 日期:2022 卷标:11(5) 页码:622-629]
  
  56-89-3 = 923-32-0
  反应条件:1.1 Reagents: Potassium Hydroxide,Titanium Chloride (Ticl3) Solvents: Water; 10 Min,Rt1.2 Reagents: 2,5-Pyrrolidinedione,Potassium Salt (1:1); 25 Min,60 °C; 10 Min,60 °C
  标题:Evaluation Of In Vitro Antimicrobial And In Vivo Cytotoxic Properties Of Some Novel Titanium-Based Coordination Complexes
  作者:Sheikh,Chanmiya; Hossain,Mohammad Shamim; Easmin,Mosammat Sabina; Islam,Mohammad Saidul; Rashid,Mamunur
  参考文献:Biological & Pharmaceutical Bulletin 日期:2004 卷标:27(5) 页码:710-713]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Racemic Cysteine And Inactive Cystine,As Well As Dl-S-Benzyl-N-Acetylcysteine
  参考文献:United Kingdom]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:L- And Dl-Cysteine Hydrochloride,Or Dl-Cystine By Acid Hydrolysis Of Keratins
  参考文献:Federal Republic Of Germany]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Synthesis Of Dl-Cystine
  作者:Furuta,Takao; Ishimaru,Toshiyasu
  参考文献:Nippon Kagaku Zasshi 日期:1968 卷标:89(7) 页码:716-17]
  
  52-90-4 = 923-32-0
  反应条件:1.1 Reagents: 3,6-Bis(2-Pyridyl)-1,2,4,5-Tetrazine Solvents: Water; 18 Min,40 °C
  标题:3,6-Di(Pyridin-2-Yl)-1,2,4,5-Tetrazine (Pytz) Mediated Metal-Free Mild Oxidation Of Thiols To Disulfides In Aqueous Medium
  作者:Samanta,Suvendu; Ray,Shounak; Ghosh,Abhisek Brata; Biswas,Papu
  参考文献:Rsc Advances 日期:2016 卷标:6(45) 页码:39356-39363]
  
  56-89-3 = 923-32-0
  反应条件:1.1 Reagents: Sodium Hydroxide Catalysts: Salicylaldehyde Solvents: Water; 1 H,Heated1.2 Reagents: Hydrochloric Acid Solvents: Water
  标题:Microwave Racemization Method For Optically Active Amino Acid Or Salt
  参考文献:China]
  
  3374-22-9 = 923-32-0
  反应条件:1.1 Reagents: Sodium Carbonate,Ferrous Sulfate Heptahydrate; Ph 7 - 8; 48 H,Rt1.2 Reagents: Hydrochloric Acid Solvents: Water; Ph 5
  标题:Method For Preparing D,L-Cystine
  参考文献:Korea]
  
  56-89-3 = 923-32-0
  反应条件:1.1 Reagents: Sulfuric Acid Solvents: Water; Rt -> 185 °C; 130 - 185 °C
  标题:Dl-Cystine Preparation And Research
  作者:Lu,Wei
  参考文献:Anjisuan He Shengwu Ziyuan 日期:2010 卷标:32(3) 页码:49-51]
  
  25683-09-4 = 923-32-0
  反应条件:1.1 Catalysts: Thallium(Iii) Trifluoroacetate Solvents: Tetrahydrofuran; 0 °C
  标题:Thallium(Iii) Trifluoroacetate
  作者:Sibi,Mukund P.; Carpenter,Nancy E.
  参考文献:E-Eros Encyclopedia Of Reagents For Organic Synthesis 日期:2001]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Preparation Of Amino Acids Or Organic Acids By Decomposition Of Protein Fibers With Subcritical Water
  参考文献:Japan]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Disulfide-Bridge Formation Through Solvent-Free Oxidation Of Thiol Amino Acids Catalyzed By Peroxidase Or Hemin On Mineral Supports
  作者:Guibe-Jampel,Eryka; Therisod,Michel
  参考文献:Journal Of The Chemical Society 日期:1999 卷标:(21) 页码:3067-3068]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Racemization Of L-α-Amino Acids
  作者:Fang,Baiying; Feng,Dayan
  参考文献:Huaxue Yanjiu Yu Yingyong 日期:1997 卷标:9(1) 页码:40-44]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Racemization Of Optically Active Cysteine
  参考文献:Japan]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Studies On Nitroxides. (Iv). Oxidation Of Cysteine By 2,2,6,6-Tetramethyl-4-Hydroxypiperidine-1-Oxyl
  作者:Liu,Youcheng; Wang,Xiuzhi; Liu,Zhongli
  参考文献:Gaodeng Xuexiao Huaxue Xuebao 日期:1983 卷标:4(2) 页码:257-9]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:(+/-)-Cysteine And Cystine
  参考文献:Japan]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Dl-Cysteine Hydrochloride
  参考文献:Poland]
  
  = 923-32-0 [标题:Reaction Conditions
  标题:Dl-Cystine And Dl-2-Guanidino-2-Thiazoline-4-Carboxylic Acid
  参考文献:Federal Republic Of Germany

海关参考信息

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  2912110000-甲醛
  2912120000-乙醛
  2915110000-甲酸
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• ➥ 象形图和危险代码
• ➥ 防范代码详解
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