L-Cystine dihydrochloride structure

L-Cystine dihydrochloride

TL;DR: L-Cystine dihydrochloride (CAS 32345-19-0) is a chemical compound with molecular formula C6H14Cl2N2O4S2 and molecular weight 311.98 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid;dihydrochloride

Also Known As: L-Cystine dihydrochloride, L-Cystine HCl, L-Cystine, dihydrochloride, L-(-)-CYSTINEDIHYDROCHLORIDE, L-Cystine, radical ion(1), dihydrochloride

CAS: 32345-19-0
Molecular Formula C6H14Cl2N2O4S2
Molecular Weight 311.98 g/mol
LogP 0.0352
Topological Polar Surface Area 177.0 Ų
Hydrogen Bond Donors 6
Hydrogen Bond Acceptors 8
Rotatable Bonds 7
Exact Mass 311.9772
Heavy Atoms 16
Complexity 192.0

Chemical Identifiers

CAS Number 32345-19-0
SMILES C([C@@H](C(=O)O)N)SSCC(C(=O)O)N.Cl.Cl
InChIKey HHGZUQPEIHGQST-VBCXBIGUSA-N

Patent-Derived Application Labels

Derived from 9 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (17 patents) Analytical Reagents (14 patents) Biotechnology (106 patents) Food Additives (43 patents) Heterocyclic Building Blocks (57 patents) +4 more

Product Overview

L-Cystine dihydrochloride (CAS 32345-19-0), with molecular formula C6H14Cl2N2O4S2 and molecular weight 311.98 g/mol. IUPAC: 2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid;dihydrochloride.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of L-Cystine dihydrochloride

XLogP
0.0352
TPSA (Topological Polar Surface Area)
177.0
Hydrogen Bond Donors
6
Hydrogen Bond Acceptors
8
Rotatable Bonds
7
Heavy Atoms
16
Complexity
192.0
Exact Mass
311.9772
Monoisotopic Mass
311.9772
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of L-Cystine dihydrochloride

The XLogP value of 0.0352 suggests moderate lipophilicity, balancing water solubility and membrane permeability for L-Cystine dihydrochloride. The TPSA of 177.0 Ų indicates high polarity, suggesting L-Cystine dihydrochloride may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, L-Cystine dihydrochloride has 6 hydrogen bond donor(s) and 8 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of L-Cystine dihydrochloride?

The CAS number of L-Cystine dihydrochloride is 32345-19-0.

What is the molecular formula of L-Cystine dihydrochloride?

The molecular formula of L-Cystine dihydrochloride is C6H14Cl2N2O4S2.

What is the molecular weight of L-Cystine dihydrochloride?

The molecular weight of L-Cystine dihydrochloride is 311.98 g/mol.

Where can I buy L-Cystine dihydrochloride?

You can request a quote for L-Cystine dihydrochloride directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for L-Cystine dihydrochloride?

Yes, KEHONG BIO provides custom synthesis services for L-Cystine dihydrochloride and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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