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L-(+)-Cysteine structure
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L-(+)-Cysteine

TL;DR: L-(+)-Cysteine (CAS 52-90-4) is a chemical compound with molecular formula C3H7NO2S and molecular weight 121.01975 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.

(2R)-2-amino-3-sulfanylpropanoic acid

Also Known As: L-cysteine, cysteine, Cystein, Thioserine, Half-cystine

CAS Number
52-90-4
Molecular Formula
C3H7NO2S
Molecular Weight
121.01975 g/mol
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Application Areas

Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.

Agrochemicals (4649 patents) Analytical Reagents (30556 patents) Biotechnology (138116 patents) Catalysts (490 patents) Coatings & Adhesives (311 patents)

Technical Specifications

Molecular FormulaC3H7NO2S
Molecular Weight121.01975 g/mol
XLogP-2.5
Topological Polar Surface Area (TPSA)64.3 Ų
Hydrogen Bond Donors3
Hydrogen Bond Acceptors4
Rotatable Bonds2
Exact Mass121.01975 Da
Heavy Atoms7
Complexity75.0
Melting Point240
Vapor Pressure0.00000207 [mmHg]
Solubility277000
SMILESC([C@@H](C(=O)O)N)S
InChIKeyXUJNEKJLAYXESH-REOHCLBHSA-N

Product Description

Applications: L-(+)-Cysteine is used in biotechnology workflows and life-science research, as well as pharmaceutical synthesis routes and API production. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies L-(+)-Cysteine (CAS 52-90-4) with custom synthesis available from milligram to multi-kilogram scale, supported by COA, MSDS, and HPLC/NMR/MS documentation.

A biotechnology compound supplied by CoreyChem, L-(+)-Cysteine (CAS 52-90-4) has the molecular formula C3H7NO2S and a molecular weight of 121.02 g/mol. Reported properties include a solubility: 277000. It is also known as L-cysteine and cysteine.

Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.

Chemical Property Profile of L-(+)-Cysteine

XLogP
-2.5
TPSA (Topological Polar Surface Area)
64.3
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
7
Complexity
75.0
Exact Mass
121.01975
Monoisotopic Mass
121.01975
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-(+)-Cysteine

The XLogP value of -2.5 indicates that L-(+)-Cysteine is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 64.3 Ų falls within the moderate polarity range, balancing permeability and solubility for L-(+)-Cysteine. Following Lipinski's Rule of Five, L-(+)-Cysteine has 3 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the CAS number of L-(+)-Cysteine?

The CAS number of L-(+)-Cysteine is 52-90-4.

What is the molecular formula of L-(+)-Cysteine?

The molecular formula of L-(+)-Cysteine is C3H7NO2S.

What is the molecular weight of L-(+)-Cysteine?

The molecular weight of L-(+)-Cysteine is 121.01975 g/mol.

What are the applications of L-(+)-Cysteine?

L-(+)-Cysteine is used in biotechnology workflows and life-science research, as well as pharmaceutical synthesis routes and API production. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies L-(+)-Cysteine (CAS 52-90-4) with custom synthesis available from...

Where can I buy L-(+)-Cysteine?

You can request a quote for L-(+)-Cysteine directly from CoreyChem. Contact us or email [email protected] for pricing and availability.

Does CoreyChem offer custom synthesis for L-(+)-Cysteine?

Yes, CoreyChem provides custom synthesis services for L-(+)-Cysteine and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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