2,4-Dichloro-6,7-dimethoxyquinazoline
2,4-二氯-6,7-二甲氧基喹唑啉
Also known as: Doxazosin EP Impurity E, Doxazosin Related Compound E, MFCD00051733, 2,4-Dichlor-6,7-dimethoxy-chinazolin, 2-Chloro-6,7-dimethoxyquinazolin-4-yl Chloride, TIMTEC-BB SBB000972, 2,4-Dichloro-6,7-dimethoxyquin
2,4-Dichloro-6,7-dimethoxyquinazoline (CAS 27631-29-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H8Cl2N2O2 and a molecular weight of 259.089 g/mol. It is also known as Doxazosin EP Impurity E, Doxazosin Related Compound E and MFCD00051733. Key properties include a melting point of 172-177 °C, a boiling point of 340.5±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 159.7±27.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27631-29-4
- Jingsj CID
- J-1990745-5
- Molecular Formula
- C10H8Cl2N2O2
- Chinese Name
- 2,4-二氯-6,7-二甲氧基喹唑啉
- Molecular Weight
- 259.089 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 172-177 °C |
|---|---|
| Boiling Point | 340.5±42.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 159.7±27.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2,4-Dichloro-6,7-dimethoxyquinazoline?
The CAS number of 2,4-Dichloro-6,7-dimethoxyquinazoline is 27631-29-4.
What are the molecular formula and molecular weight of 2,4-Dichloro-6,7-dimethoxyquinazoline?
2,4-Dichloro-6,7-dimethoxyquinazoline has molecular formula C10H8Cl2N2O2 and molecular weight 259.089 g/mol.
Is 2,4-Dichloro-6,7-dimethoxyquinazoline hazardous?
2,4-Dichloro-6,7-dimethoxyquinazoline 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. "2,4-Dichloro-6,7-dimethoxyquinazoline (CAS 27631-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990745-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.