ST 90 structure

ST 90

TL;DR: ST 90 (CAS 85761-68-8) is a chemical compound with molecular formula C10H10N2O3S and molecular weight 238.04 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

6-oxo-N-(2-oxothiolan-3-yl)-1H-pyridine-3-carboxamide

Also Known As: ST 90, 3-Pyridinecarboxamide, 1,6-dihydro-6-oxo-N-(tetrahydro-2-oxo-3-thienyl)-, 6-oxo-N-(2-oxothiolan-3-yl)-1H-pyridine-3-carboxamide, Homocysteine-thiolactone-6-hydroxynicotinamide, 6-Hydroxy-N-(2-oxothiolan-3-yl)pyridine-3-carboximidic acid

CAS: 85761-68-8
Molecular Formula C10H10N2O3S
Molecular Weight 238.04 g/mol
LogP -0.2
Topological Polar Surface Area 101.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 4
Rotatable Bonds 2
Exact Mass 238.04121
Heavy Atoms 16
Complexity 414.0

Chemical Identifiers

CAS Number 85761-68-8
SMILES C1CSC(=O)C1NC(=O)C2=CNC(=O)C=C2
InChIKey DFLXDULNWLDAJO-UHFFFAOYSA-N

Product Overview

ST 90 (CAS 85761-68-8), with molecular formula C10H10N2O3S and molecular weight 238.04 g/mol. IUPAC: 6-oxo-N-(2-oxothiolan-3-yl)-1H-pyridine-3-carboxamide.

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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 ST 90

XLogP
-0.2
TPSA (Topological Polar Surface Area)
101.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
16
Complexity
414.0
Exact Mass
238.04121
Monoisotopic Mass
238.04121
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 ST 90

The XLogP value of -0.2 indicates that ST 90 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 101.0 Ų falls within the moderate polarity range, balancing permeability and solubility for ST 90. Following Lipinski's Rule of Five, ST 90 has 2 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 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 ST 90?

The CAS number of ST 90 is 85761-68-8.

What is the molecular formula of ST 90?

The molecular formula of ST 90 is C10H10N2O3S.

What is the molecular weight of ST 90?

The molecular weight of ST 90 is 238.04 g/mol.

Where can I buy ST 90?

You can request a quote for ST 90 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for ST 90?

Yes, KEHONG BIO provides custom synthesis services for ST 90 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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