2-(Chloromethyl)-4(3H)-quinazolinone

Also known as: 4(3H)-Quinazolinone,2-(chloromethyl)-, 2-(Chloromethyl)-4(1H)-quinazolinone, 2-(Chloromethyl)-4-hydroxyquinazoline, 2-(Chloromethyl)quinazolin-4-ol, 2-(Chloromethyl)-3,4-dihydroquinazolin-4-one, 2-(Chloromethyl)-1H-quinazolin-4-one, 2-Chloromethyl-4-(3H)-quinazolinone

2-(Chloromethyl)-4(3H)-quinazolinone (CAS 3817-05-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H7ClN2O and a molecular weight of 194.61800 g/mol. Key properties include a melting point of 249-253ºC(lit.), a boiling point of 340.7ºC at 760mmHg, a density of 1.42g/cm3 and a flash point of 159.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3817-05-8
Jingsj CID: J-39882-3
Molecular Formula: C₉H₇ClN₂O
Molecular Weight: 194.61800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	249-253ºC(lit.)
Boiling Point	340.7ºC at 760mmHg
Density	1.42g/cm3
Flash Point	159.9ºC
Exact Mass	194.02500
PSA	45.75000
LogP	1.66190
Refractive Index	1.662

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed
H317 — May cause an allergic skin reaction
H319 — Causes serious eye irritation

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(Chloromethyl)-4(3H)-quinazolinone?

The CAS number of 2-(Chloromethyl)-4(3H)-quinazolinone is 3817-05-8.

What are the molecular formula and molecular weight of 2-(Chloromethyl)-4(3H)-quinazolinone?

2-(Chloromethyl)-4(3H)-quinazolinone has molecular formula C9H7ClN2O and molecular weight 194.61800 g/mol.

Is 2-(Chloromethyl)-4(3H)-quinazolinone hazardous?

2-(Chloromethyl)-4(3H)-quinazolinone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2-(Chloromethyl)-4(3H)-quinazolinone?

For 2-(Chloromethyl)-4(3H)-quinazolinone, Upstream Products: Chloroacetonitrile, Methyl anthranilate, Ethyl anthranilate; Downstream Products: 2-(Chloromethyl)-3-methylquinazolin-4(3H)-one, 4-chloro-2-(chloromethyl)quinazoline, 2-(Hydroxymethyl)quinazolin-4(3H)-one.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(Chloromethyl)-4(3H)-quinazolinone (CAS 3817-05-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39882-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.