L-Cystine - Moligand™, Ultra pure, ≥99.5% , CAS No.56-89-3

CAS: 56-89-3 Cat. No.: C108227 Fórmula: C6H12N2O4S2 Peso molecular: 240.3 Beilstein Registry Number: 1728094 Número CE: 200-296-3
Disponível para encomenda
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. Ultra pure ? Ultra-pure grade with very low impurity content across the board. Use for trace analysis, electronics, or processes intolerant of contamination. ≥99.5%
Synonyms
b,b'-Dithiodialanine | CYSTINE (EP MONOGRAPH) | (R,R)-3,3'-dithiobis(2-aminopropanoic acid) | CYSTINE [INN] | Cystine [USAN] | CYSTINE [WHO-DD] | L-alpha-Diamino-beta-dithiolactic acid | L-CYSTINE [JAN] | L-Cystine, non-animal source | S-CYSTEINYL CYSTEIN
Storage
Protected from light,Room temperature,Desiccated
Shipped In
Normal
★
Size
Alemanha (EU)
USA*
Price
Qty
25g
C108227-25g
—
6 Em stock
15,53€
100g
C108227-100g
—
5 Em stock
51,11€
500g
C108227-500g
—
1 Em stock
131,81€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

Moligand™, Ultra pure, ≥99.5% Moligand™,Ultra pure for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

Cited in 71 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Visão geral

L-Cystine has been used to prepare stock solution which in turn is utilized for determining the L-cysteine and L-cystine in pharmaceutical preparations as well as in urine samples by using spectrofluorimetric flow injection method.

Specifications

Sinónimos
b,b'-Dithiodialanine | CYSTINE (EP MONOGRAPH) | (R,R)-3,3'-dithiobis(2-aminopropanoic acid) | CYSTINE [INN] | Cystine [USAN] | CYSTINE [WHO-DD] | L-alpha-Diamino-beta-dithiolactic acid | L-CYSTINE [JAN] | L-Cystine, non-animal source | S-CYSTEINYL CYSTEIN
Especificações e pureza
Moligand™, Ultra pure, ≥99.5%
Mecanismos bioquímicos e fisiológicos
Cystine is required for the synthesis of glutathione that protects the cells from oxidative stress. A specific x(c)-cysteine/glutamate antiporter mediates cellular uptake of cysteine in exchange for glutamate. Inhibition of cysteine uptake induces toxicit
Condições de armazenamento de armazenamento
Protected from light,Room temperature,Desiccated
Enviado em
Normal
Grau
Moligand™, Ultra pure
Nota
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Pureza
≥99.5%
Nomes e identificadores
Pubchem Sid508810669
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/508810669
Sorrisos canónicosC([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N
IUPAC Name(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
InChIKeyLEVWYRKDKASIDU-IMJSIDKUSA-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)/t3-,4-/m0/s1
SMILES isoméricas C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N
WGK Alemanha 3
Peso molecular 240.3
Beilstein 1728094
Reaxy-Rn 1728094
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1728094&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
ClasseCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives - Cysteine and derivatives
Direct ParentL-cysteine-S-conjugates
Alternative Parents L-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 L-cysteine-s-conjugate - Alpha-amino acid - L-alpha-amino acid - Dicarboxylic acid or derivatives - Organic disulfide - Dialkyldisulfide - Amino acid - Sulfenyl compound - Carboxylic acid - Organopnictogen compound - Organic nitrogen compound - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxygen compound - Carbonyl group - Hydrocarbon derivative - Amine - Organic oxide - Aliphatic acyclic compound
DescriçãoThis compound belongs to the class of organic compounds known as l-cysteine-s-conjugates. These are compounds containing L-cysteine where the thio-group is conjugated.
External Descriptors non-proteinogenic L-alpha-amino acid - L-cysteine derivative - cystine
Estrutura 3D
Modelo de Estrutura Química Interativa





Alvos associados (humanos)
F2 Tclin Thrombin (11687 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PGR Tclin Progesterone receptor (8562 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AR Tclin Androgen Receptor (11781 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GABRA1 Tclin GABA receptor alpha-1 subunit (399 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAOA Tclin Monoamine oxidase A (11911 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD1 Tclin Dopamine D1 receptor (9720 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHE Tclin Acetylcholinesterase (18204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A2 Tclin Norepinephrine transporter (10102 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A4 Tclin Serotonin transporter (12625 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OPRM1 Tclin Mu opioid receptor (19785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD3 Tclin Dopamine D3 receptor (14368 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A3 Tclin Dopamine transporter (10535 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE3A Tclin Phosphodiesterase 3A (3309 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2B Tclin Serotonin 2b (5-HT2b) receptor (10323 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TBXA2R Tclin Thromboxane A2 receptor (5717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE4A Tclin Phosphodiesterase 4A (1943 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADORA3 Tchem Adenosine A3 receptor (15931 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HRH3 Tclin Histamine H3 receptor (10389 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLK Tbio DNA polymerase kappa (8653 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Alvos associados (não humanos)
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mecanismos de ação
Certificados(CoA,COO,BSE/TSE e Mapa de Análise)
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.

28 results found

Lot NumberCertificate TypeDataItem
H2612478Certificate of AnalysisAug 21, 2026 C108227
H2612477Certificate of AnalysisAug 21, 2026 C108227
J2524433Certificate of AnalysisOct 30, 2025 C108227
J2524432Certificate of AnalysisOct 30, 2025 C108227
J2524431Certificate of AnalysisOct 30, 2025 C108227
G2601123Certificate of AnalysisOct 30, 2025 C108227
F2526239Certificate of AnalysisJun 17, 2025 C108227
F2526238Certificate of AnalysisJun 17, 2025 C108227
F2526237Certificate of AnalysisJun 17, 2025 C108227
B2526409Certificate of AnalysisFeb 19, 2025 C108227
B2526410Certificate of AnalysisFeb 19, 2025 C108227
B2526411Certificate of AnalysisFeb 19, 2025 C108227
K2401303Certificate of AnalysisOct 22, 2024 C108227
K2401299Certificate of AnalysisOct 22, 2024 C108227
E2427359Certificate of AnalysisMay 21, 2024 C108227
D2428164Certificate of AnalysisApr 02, 2024 C108227
D2428163Certificate of AnalysisApr 02, 2024 C108227
A2424092Certificate of AnalysisJan 05, 2024 C108227
E2315237Certificate of AnalysisMar 14, 2023 C108227
E2315236Certificate of AnalysisMar 14, 2023 C108227
E2315232Certificate of AnalysisMar 14, 2023 C108227
E2315230Certificate of AnalysisMar 14, 2023 C108227
J2418154Certificate of AnalysisNov 24, 2022 C108227
B2315188Certificate of AnalysisNov 24, 2022 C108227
K2223214Certificate of AnalysisNov 24, 2022 C108227
K2223215Certificate of AnalysisNov 24, 2022 C108227
K2223217Certificate of AnalysisNov 24, 2022 C108227
B2315187Certificate of AnalysisNov 24, 2022 C108227
Propriedades químicas e físicas
SolubilidadeSoluble in dilute acid and alkali solutions, extremely insoluble in water, insoluble in ethanol.
SensibilidadeLight sensitive.
Rotação específica [α]-222.5 ° (C=1, 1mol/L HCl)
Ponto de fusão (°C)260-261°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 Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
FAQs e artigos
Citations of This Product
Calculadoras de soluções
Revisões

Avaliações dos Clientes

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View Moligand™ grade guide → View Ultra pure grade guide →

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.