KRN 633 structure

KRN 633

TL;DR: KRN 633 (CAS 286370-15-8) is a chemical compound with molecular formula C20H21ClN4O4 and molecular weight 416.13 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

1-[2-chloro-4-(6,7-dimethoxyquinazolin-4-yl)oxyphenyl]-3-propylurea

Also Known As: KRN 633, KRN633, -propylurea, K00589a, VEGF receptor tyrosine kinase inhibitor III

CAS: 286370-15-8
Molecular Formula C20H21ClN4O4
Molecular Weight 416.13 g/mol
LogP 4.6242
Topological Polar Surface Area 94.6 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 6
Rotatable Bonds 7
Exact Mass 416.12512
Heavy Atoms 29
Complexity 1028.7789

Chemical Identifiers

CAS Number 286370-15-8
SMILES CCCNC(=O)NC1=C(C=C(C=C1)OC2=NC=NC3=CC(=C(C=C32)OC)OC)Cl

Product Overview

KRN 633 (CAS 286370-15-8), with molecular formula C20H21ClN4O4 and molecular weight 416.13 g/mol. IUPAC: 1-[2-chloro-4-(6,7-dimethoxyquinazolin-4-yl)oxyphenyl]-3-propylurea.

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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 KRN 633

XLogP
4.6242
TPSA (Topological Polar Surface Area)
94.6
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
6
Rotatable Bonds
7
Heavy Atoms
29
Complexity
1028.7789
Exact Mass
416.12512
Monoisotopic Mass
416.12512
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 KRN 633

The XLogP value of 4.6242 indicates that KRN 633 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 94.6 Ų falls within the moderate polarity range, balancing permeability and solubility for KRN 633. Following Lipinski's Rule of Five, KRN 633 has 2 hydrogen bond donor(s) and 6 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 KRN 633?

The CAS number of KRN 633 is 286370-15-8.

What is the molecular formula of KRN 633?

The molecular formula of KRN 633 is C20H21ClN4O4.

What is the molecular weight of KRN 633?

The molecular weight of KRN 633 is 416.13 g/mol.

Where can I buy KRN 633?

You can request a quote for KRN 633 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for KRN 633?

Yes, KEHONG BIO provides custom synthesis services for KRN 633 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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