KRN-633

N-[2-氯-4-[(6,7-二甲氧基-4-喹唑啉基)氧基]苯基]-N'-丙基脲

Also known as: 1-(2-chloro-4-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-propylurea, 1-[2-chloro-4-(6,7-dimethoxyquinazolin-4-yl)oxyphenyl]-3-propylurea, 1-{2-chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]phenyl}-3-propylurea, N-(2-chloro-4-((6,7-dimethoxy-4-quinazolinyl)oxy)phenyl)-N'-propylurea, N-[2-Chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]phenyl]-N'-propylurea, KRN 633, KRN633, CS-463, VEGF Receptor Tyrosine Kinase Inhibitor III, VEGFR Tyrosine Kinase Inhibitor III

KRN-633 (CAS 286370-15-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H21ClN4O4 and a molecular weight of 416.858 g/mol. It is also known as 1-(2-chloro-4-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-propylurea, 1-[2-chloro-4-(6,7-dimethoxyquinazolin-4-yl)oxyphenyl]-3-propylurea and 1-{2-chloro-4-[(6,7-dimethoxy-4-quinazolinyl)oxy]phenyl}-3-propylurea. Key properties include a melting point of 229 °C, a boiling point of 545.6±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 283.7±30.1 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
286370-15-8
Jingsj CID
J-1979511-3
Molecular Formula
C20H21ClN4O4
Chinese Name
N-[2-氯-4-[(6,7-二甲氧基-4-喹唑啉基)氧基]苯基]-N'-丙基脲
Molecular Weight
416.858 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point229 °C
Boiling Point545.6±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point283.7±30.1 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of KRN-633?

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

What are the molecular formula and molecular weight of KRN-633?

KRN-633 has molecular formula C20H21ClN4O4 and molecular weight 416.858 g/mol.

Is KRN-633 hazardous?

KRN-633 has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "KRN-633 (CAS 286370-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1979511-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.