S-(6-purinyl)cysteine structure

S-(6-purinyl)cysteine

TL;DR: S-(6-purinyl)cysteine (CAS 125136-34-7) is a chemical compound with molecular formula C8H9N5O2S and molecular weight 239.05 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(2R)-2-amino-3-(7H-purin-6-ylsulfanyl)propanoic acid

Also Known As: S-(6-Purinyl)cysteine, S-(Purin-6-yl)cysteine, S-9H-Purin-6-ylcysteine, S-(6-purinyl)-l-cysteine, 3-Benzofuranmethanol,6-methyl

CAS: 125136-34-7
Molecular Formula C8H9N5O2S
Molecular Weight 239.05 g/mol
LogP -2.6
Topological Polar Surface Area 143.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 7
Rotatable Bonds 4
Exact Mass 239.0477
Heavy Atoms 16
Complexity 267.0

Chemical Identifiers

CAS Number 125136-34-7
SMILES C1=NC2=C(N1)C(=NC=N2)SC[C@@H](C(=O)O)N
InChIKey XGNASSAYQHESTL-BYPYZUCNSA-N

Patent-Derived Application Labels

Derived from 3 IPC patent classification(s) across the SureChEMBL global patent database.

Heterocyclic Building Blocks (6 patents) Peptides & Amino Acids (2 patents) Pharmaceutical Intermediates (5 patents)

Product Overview

S-(6-purinyl)cysteine (CAS 125136-34-7), with molecular formula C8H9N5O2S and molecular weight 239.05 g/mol. IUPAC: (2R)-2-amino-3-(7H-purin-6-ylsulfanyl)propanoic acid.

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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.
View MSDS →

Chemical Property Profile of S-(6-purinyl)cysteine

XLogP
-2.6
TPSA (Topological Polar Surface Area)
143.0
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
7
Rotatable Bonds
4
Heavy Atoms
16
Complexity
267.0
Exact Mass
239.0477
Monoisotopic Mass
239.0477
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 S-(6-purinyl)cysteine

The XLogP value of -2.6 indicates that S-(6-purinyl)cysteine is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 143.0 Ų indicates high polarity, suggesting S-(6-purinyl)cysteine may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, S-(6-purinyl)cysteine has 3 hydrogen bond donor(s) and 7 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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 S-(6-purinyl)cysteine?

The CAS number of S-(6-purinyl)cysteine is 125136-34-7.

What is the molecular formula of S-(6-purinyl)cysteine?

The molecular formula of S-(6-purinyl)cysteine is C8H9N5O2S.

What is the molecular weight of S-(6-purinyl)cysteine?

The molecular weight of S-(6-purinyl)cysteine is 239.05 g/mol.

Where can I buy S-(6-purinyl)cysteine?

You can request a quote for S-(6-purinyl)cysteine directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for S-(6-purinyl)cysteine?

Yes, KEHONG BIO provides custom synthesis services for S-(6-purinyl)cysteine and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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