DL-Cystine - ≥98% , CAS No.923-32-0

CAS: 923-32-0 Cat. No.: C100539 Peso molecular: 240.3 Beilstein Registry Number: 1728095 Número EC: 213-094-5
Disponible para pedir
GRADE & PURITY ≥98%
Synonyms
5228F255-51E7-421E-8A05-4687B20118CB | CAS_595 | DL-Cystine, free base | NCGC00164531-03 | NSC_67678 | Bis(.beta.-amino-.beta.-carboxyethyl)disulfide | Cystine_RamanathanGurudeeban | FT-0770594 | NSC203781 | NSC-203781 | 2-amino-3-(2-amino-3-hydroxy-3-oxo
Storage
Room temperature
Shipped In
Normal
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Size
Estado
Price
Qty
1g
C100539-1g
10

9,90US$

14,90US$
Guardar 5,00 US$ (33.56%)
5g
C100539-5g
3

19,90US$

29,90US$
Guardar 10,00 US$ (33.44%)
25g
C100539-25g
7

67,90US$

101,90US$
Guardar 34,00 US$ (33.37%)
100g
C100539-100g
2

194,90US$

292,90US$
Guardar 98,00 US$ (33.46%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 27 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants.

Specifications

Sinónimos
5228F255-51E7-421E-8A05-4687B20118CB | CAS_595 | DL-Cystine, free base | NCGC00164531-03 | NSC_67678 | Bis(.beta.-amino-.beta.-carboxyethyl)disulfide | Cystine_RamanathanGurudeeban | FT-0770594 | NSC203781 | NSC-203781 | 2-amino-3-(2-amino-3-hydroxy-3-oxo
Especificaciones y pureza
≥98%
Mecanismos bioquímicos y fisiológicos
DL-Cystine is a racemic mixture of the proteinogenic amino acids L-cystine and the non-proteinogenic D-cystine. DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants.
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Pureza
≥98%
Nombres e identificadores
Pubchem Sid488179533
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488179533
Sonrisas canónicasC(C(C(=O)O)N)SSCC(C(=O)O)N
IUPAC Name2-amino-3-[(2-amino-2-carboxyethyl)disulfanyl]propanoic acid
InChIKeyLEVWYRKDKASIDU-UHFFFAOYSA-N
INCHI1S/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)
Isómeros SMILES C(C(C(=O)O)N)SSCC(C(=O)O)N
WGK Alemania 3
Peso molecular 240.3
Beilstein 1728095
Reaxy-Rn 1728091
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1728091&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClaseCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentCysteine and derivatives
Alternative Parents Alpha amino acids  Dicarboxylic acids and derivatives  Dialkyldisulfides  Amino acids  Sulfenyl compounds  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Cysteine or derivatives - Alpha-amino acid - Dicarboxylic acid or derivatives - Organic disulfide - Dialkyldisulfide - Amino acid - Sulfenyl compound - Carboxylic acid - Hydrocarbon derivative - Organic nitrogen compound - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxygen compound - Carbonyl group - Amine - Organopnictogen compound - Organic oxide - Aliphatic acyclic compound
DescripciónThis compound belongs to the class of organic compounds known as cysteine and derivatives. These are compounds containing cysteine or a derivative thereof resulting from reaction of cysteine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Other amino acids
Estructura 3D
Modelo de Estructura Química Interactiva





Objetivos asociados (humanos)
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Objetivos asociados (no humanos)
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

21 results found

Lot NumberCertificate TypeFechaArticulo
J2126266Certificate of AnalysisAug 11, 2025 C100539
L2308325Certificate of AnalysisNov 25, 2023 C100539
L2308324Certificate of AnalysisNov 25, 2023 C100539
L2308323Certificate of AnalysisNov 25, 2023 C100539
E2614027Certificate of AnalysisNov 25, 2023 C100539
F23251201Certificate of AnalysisMay 12, 2023 C100539
F23251330Certificate of AnalysisMay 12, 2023 C100539
F23251303Certificate of AnalysisMay 12, 2023 C100539
F23251293Certificate of AnalysisMay 12, 2023 C100539
F23251286Certificate of AnalysisMay 12, 2023 C100539
F23251280Certificate of AnalysisMay 12, 2023 C100539
A2608037Certificate of AnalysisMay 12, 2023 C100539
F23251191Certificate of AnalysisMay 12, 2023 C100539
F23251175Certificate of AnalysisMay 12, 2023 C100539
J1415025Certificate of AnalysisJul 20, 2022 C100539
F2302912Certificate of AnalysisOct 11, 2021 C100539
E2304495Certificate of AnalysisOct 11, 2021 C100539
E2304347Certificate of AnalysisOct 11, 2021 C100539
D2324102Certificate of AnalysisOct 11, 2021 C100539
C2320602Certificate of AnalysisOct 11, 2021 C100539
C2320601Certificate of AnalysisOct 11, 2021 C100539

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Propiedades químicas y físicas
SolubilidadSoluble in dilute acid and alkali solution, highly soluble in water, not soluble in alcohol
Rotación específica [α]-2.0 to +2.0 deg(C=1,1mol/L HCl)
Punto de fusión (°C)227°C
Peso molecular240.300 g/mol
XLogP3-6.300
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count7
Exact Mass240.024 Da
Monoisotopic Mass240.024 Da
Topological Polar Surface Area177.000 Ų
Heavy Atom Count14
Formal Charge0
Complexity192.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count2
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Referencias
1. Yu Liu, Fangfang Wang, Yawen Liu, Lu Cao, Haiming Hu, Xiaowei Yao, Junping Zheng, Hongtao Liu.  (2023)  A label-free plasmonic nanosensor driven by horseradish peroxidase-assisted tetramethylbenzidine redox catalysis for colorimetric sensing H2O2 and cholesterol.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2023.133893]
2. Wenjie Luo, Changxu Wang, Jieshu Min, Huiyu Luo.  (2023)  Gold nanoclusters Cys-Au NCs as selective fluorescent probes for “on–off–on” detection of Fe3+ and ascorbic acid.  RSC Advances,  13  (11): (7425-7431).  [PMID:36895769] [10.1039/D3RA00410D]
3. Shulong Zeng, Dinghao Xu, Qin Yang, Huan Zhang, Hui Zhao, Lirong He.  (2022)  Mechanochemistry promoted in-situ compatibilization for highly toughened elastomer and super elastic foam.  COMPOSITES PART B-ENGINEERING,      [PMID:] [10.1016/j.compositesb.2022.110261]
4. Xing Yang, Jun Guo, Zi-Yuan Wang, Wen-Hao Gu, Quan Shan, Jing Feng, Zhen-Hua Ge.  (2022)  Highly enhanced thermoelectric properties of Bi2S3 via (Se, Cl)-co doping in hydrothermal synthesis process.  JOURNAL OF ALLOYS AND COMPOUNDS,      [PMID:] [10.1016/j.jallcom.2022.166252]
5. Hao Chi, Guang Zhu, Yalin Yin, He Diao, Zicheng Liu, Shibo Sun, Zhaoming Guo, Weiping Xu, Jianqiang Xu, Changhao Cui, Xiao-Jin Xing, Kun Ma.  (2022)  Dual-Responsive multifunctional “core–shell” magnetic nanoparticles promoting Fenton reaction for tumor ferroptosis therapy.  INTERNATIONAL JOURNAL OF PHARMACEUTICS,      [PMID:35688287] [10.1016/j.ijpharm.2022.121898]
6. Xin Zhan, Xiaoxiao Yu, Benmengyang Li, Rui Zhou, Qingyu Fang, Yiwei Wu.  (2022)  Quantifying H2O2 by ratiometric fluorescence sensor platform of N-GQDs/rhodamine B in the presence of thioglycolic acid under the catalysis of Fe3+.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:35366522] [10.1016/j.saa.2022.121191]
7. Wei Yang, Jianwen Fei, Wei Xu, Hongyan Jiang, Marwan Sakran, Junli Hong, Wanying Zhu, Xuemin Zhou.  (2022)  A biosensor based on the biomimetic oxidase Fe3O4@MnO2 for colorimetric determination of uric acid.  COLLOIDS AND SURFACES B-BIOINTERFACES,      [PMID:35085939] [10.1016/j.colsurfb.2022.112347]
8. Huiyi Yang, Qiyi He, Junkang Pan, Mingxia Lin, Zhiting Lao, Qinglan Li, Xiping Cui, Suqing Zhao.  (2021)  PtCu nanocages with superior tetra-enzyme mimics for colorimetric sensing and fluorescent sensing dehydroepiandrosterone.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2021.130905]
9. Yawen Wei, Zhihua Wang, Jie Yang, Rui Xu, Huizi Deng, Siyu Ma, Tianxu Fang, Jun Zhang, Qi Shen.  (2021)  Reactive oxygen species / photothermal therapy dual-triggered biomimetic gold nanocages nanoplatform for combination cancer therapy via ferroptosis and tumor-associated macrophage repolarization mechanism.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:34695762] [10.1016/j.jcis.2021.09.160]
10. Yuning Yang, Han Wang, Yiwei Wu, Xiaoxiao Yu.  (2021)  Dual recognition strategy for selective fluorescent detection of dopamine and antioxidants based on graphite carbon nitride in human blood serum.  SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY,      [PMID:34536885] [10.1016/j.saa.2021.120385]
11. Guangsheng Cao, Min Zhi Rong, Ming Qiu Zhang.  (2020)  Continuous High-Content Keratin Fibers with Balanced Properties Derived from Wool Waste.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.0c06530]
12. Mingjie Deng, Feiyan Lin, Caiping Zhou, Yuyan Chen, Leijie Xuan, Hongzhe Wang, Tiantian Feng, Lufeng Hu.  (2020)  Determination of 27 amino acids’ levels in seminal plasma of asthenospermia and oligospermia patients and diagnostic value analysis.  JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,      [PMID:32126460] [10.1016/j.jpba.2020.113211]
13. Caixue Lin, Hailu He, Yongqi Zhang, Mingyue Xu, Feng Tian, Ling Li, Yingxi Wang.  (2020)  Acetaldehyde-modified-cystine functionalized Zr-MOFs for pH/GSH dual-responsive drug delivery and selective visualization of GSH in living cells.  RSC Advances,  10  (6): (3084-3091).  [PMID:35497751] [10.1039/C9RA05741B]
14. Lili Zhang, Wen Duan, Yan Huang, Yuyu Zhang, Baoguo Sun, Dandan Pu, Yizhuang Tang, Chao Liu.  (2020)  Sensory taste properties of chicken (Hy-Line brown) soup as prepared with five different parts of the chicken.  INTERNATIONAL JOURNAL OF FOOD PROPERTIES,      [PMID:] [10.1080/10942912.2020.1828455]
15. Jingjin Zhao, Yao Peng, Keqin Yang, Yunyun Chen, Shulin Zhao, Yi-Ming Liu.  (2019)  A new ratiometric fluorescence assay based on resonance energy transfer between biomass quantum dots and organic dye for the detection of sulfur dioxide derivatives.  RSC Advances,  (71): (41955-41961).  [PMID:35541597] [10.1039/C9RA09437G]
16. Jian-Yu Yang, Ting Yang, Xiao-Yan Wang, Yi-Ting Wang, Meng-Xian Liu, Ming-Li Chen, Yong-Liang Yu, Jian-Hua Wang.  (2019)  A Novel Three-Dimensional Nanosensing Array for the Discrimination of Sulfur-Containing Species and Sulfur Bacteria.  ANALYTICAL CHEMISTRY,      [PMID:30964645] [10.1021/acs.analchem.9b00476]
17. Guiqiang Pu, Dongxu Zhang, Xiang Mao, Zhen Zhang, Huan Wang, Xingming Ning, Xiaoquan Lu.  (2018)  Biomimetic Interfacial Electron-Induced Electrochemiluminesence.  ANALYTICAL CHEMISTRY,      [PMID:29611425] [10.1021/acs.analchem.8b00165]
18. Lin Yang, Ming Xuan Gao, Lei Zhan, Min Gong, Shu Jun Zhen, Cheng Zhi Huang.  (2017)  An enzyme-induced Au@Ag core–shell nanoStructure used for an ultrasensitive surface-enhanced Raman scattering immunoassay of cancer biomarkers.  Nanoscale,  (7): (2640-2645).  [PMID:28155925] [10.1039/C6NR07979B]
19. Huifang Zhang, Xiaoming Ma, Shuisheng Hu, Yue Lin, Longhua Guo, Bin Qiu, Zhenyu Lin, Guonan Chen.  (2016)  Highly sensitive visual detection of Avian Influenza A (H7N9) virus based on the enzyme-induced metallization.  BIOSENSORS & BIOELECTRONICS,      [PMID:26797249] [10.1016/j.bios.2016.01.004]
20. Lei Ouyang, Lihua Zhu, Jizhou Jiang, Heqing Tang.  (2014)  A surface-enhanced Raman scattering method for detection of trace glutathione on the basis of immobilized silver nanoparticles and crystal violet probe.  ANALYTICA CHIMICA ACTA,      [PMID:24580853] [10.1016/j.aca.2014.01.046]
21. Ying Yang, Liuyan Wei, Weiqin You, Huisha Huang, Shuai Wang, Dandan Hou, Chujun Qin, Zhiheng Su, Mei Li.  (2025)  A simple colorimetric and paper-based-smartphone sensing platform based on the enhanced peroxidase-like activity of Al doping Prussian blue for point-of-care detection of GSH.  TALANTA,      [PMID:40164025] [10.1016/j.talanta.2025.128020]
22. Shiyao Song, Xingfeng Qiu, Shaoqing Huang, Huixuan Tian, Ruihan Pu, Jingyi Huang, Jiayin Su, Yan-Lai Tang, Libin Huang, Xuequn Luo, Weiling He, Qingfeng Ni, Weijing Zhang.  (2025)  Cystine-Modified Lignin–Copper Coordination Nanocarriers Improve the Therapeutic Efficacy of Tyrosine Kinase Inhibition via Cuproptosis.  ACS Applied Materials & Interfaces,      [PMID:39874587] [10.1021/acsami.4c20305]
23. Junyuan Du, Zhiyi Wu, Chunyang Zhu, Heng Yang, Feike Zhao, Binghu Fang.  (2025)  Exogenous cystine increases susceptibility of drug-resistant Salmonella to gentamicin by promoting oxidation of glutathione metabolism and imbalance of intracellular redox levels.  Frontiers in Microbiology,      [PMID:39990151] [10.3389/fmicb.2025.1527480]
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26. Danbin Zhu, Chenyang Guo, Haocheng Liu, Jiaofeng Ye, Haoran Chen, Jianbin Zhang, Yanhua Liu, Libang Feng.  (2025)  Thermo-reversible DA bonds-based polyurethanes with both excellent comprehensive mechanical property and remarkable room temperature self-healing capability.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2025.136398]
27. Jiaxi Deng, Yiyao Luo, Jia Zheng, Zirui Yuan, Yi Ma, Huibo Luo, Xiaogang Luo, Danqun Huo, Changjun Hou.  (2025)  Dual-mode fluorescence and colorimetric bimodal sensing of Baijiu on CDs@MOF peroxidase activity.  Analytical Methods,      [PMID:40815191] [10.1039/D5AY00671F]
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