Sts 267 structure

Sts 267

TL;DR: Sts 267 (CAS 5466-72-8) is a chemical compound with molecular formula C19H23N3O2 and molecular weight 325.18 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(8R,9S,13S,14S,16R)-16-azido-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one

Also Known As: Sts 267, 16-Azido-3-methoxyestra-1,3,5(10)-trien-17-one, 16-Azido-3-methoxyestra-1(10),2,4-trien-17-one, A-Azido-3-methoxy-estra-1,3,5(10)-trien-17-one, 16alpha-Azido-3-methoxyestra-1(10),2,4-trien-17-one

CAS: 5466-72-8
Molecular Formula C19H23N3O2
Molecular Weight 325.18 g/mol
LogP 4.7
Topological Polar Surface Area 40.7 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 4
Rotatable Bonds 2
Exact Mass 325.17902
Heavy Atoms 24
Complexity 573.0

Chemical Identifiers

CAS Number 5466-72-8
SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H](C2=O)N=[N+]=[N-])CCC4=C3C=CC(=C4)OC
InChIKey CHIQFWSFQDADKY-ILYVXUQDSA-N

Product Overview

Sts 267 (CAS 5466-72-8), with molecular formula C19H23N3O2 and molecular weight 325.18 g/mol. IUPAC: (8R,9S,13S,14S,16R)-16-azido-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one.

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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 Sts 267

XLogP
4.7
TPSA (Topological Polar Surface Area)
40.7
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
24
Complexity
573.0
Exact Mass
325.17902
Monoisotopic Mass
325.17902
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 Sts 267

The XLogP value of 4.7 indicates that Sts 267 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 40.7 Ų, Sts 267 exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Sts 267 has 0 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 Sts 267?

The CAS number of Sts 267 is 5466-72-8.

What is the molecular formula of Sts 267?

The molecular formula of Sts 267 is C19H23N3O2.

What is the molecular weight of Sts 267?

The molecular weight of Sts 267 is 325.18 g/mol.

Where can I buy Sts 267?

You can request a quote for Sts 267 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Sts 267?

Yes, KEHONG BIO provides custom synthesis services for Sts 267 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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