3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one

3-(5-氯-2-羟基苄基)-5-(4-(三氟甲基)苯基)-1,3,4-噁二唑-2(3H)-酮

Also known as: BMS 191011, 3-[(5-chloro-2-hydroxyphenyl)methyl]-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one, 3-((5-chloro-2-hydroxyphenyl)methyl)-5-(4-(trifluoromethyl)phenyl)-1,3,4-oxadiazol-2(3H)-one, Bms-a, HMS3269L09, UNII-LW7MXS978N

3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one (CAS 202821-81-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H10ClF3N2O3 and a molecular weight of 370.71 g/mol. It is also known as BMS 191011, 3-[(5-chloro-2-hydroxyphenyl)methyl]-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one and 3-((5-chloro-2-hydroxyphenyl)methyl)-5-(4-(trifluoromethyl)phenyl)-1,3,4-oxadiazol-2(3H)-one. Key properties include a boiling point of 443.965ºC at 760 mmHg, a density of 1.516g/cm3 and a flash point of 222.302ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
202821-81-6
Jingsj CID
J-1969463-8
Molecular Formula
C16H10ClF3N2O3
Chinese Name
3-(5-氯-2-羟基苄基)-5-(4-(三氟甲基)苯基)-1,3,4-噁二唑-2(3H)-酮
Molecular Weight
370.71 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point443.965ºC at 760 mmHg
Density1.516g/cm3
Flash Point222.302ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one?

The CAS number of 3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one is 202821-81-6.

What are the molecular formula and molecular weight of 3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one?

3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one has molecular formula C16H10ClF3N2O3 and molecular weight 370.71 g/mol.

Is 3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one hazardous?

3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-(5-chloro-2-hydroxybenzyl)-5-[4-(trifluoromethyl)phenyl]-1,3,4-oxadiazol-2(3H)-one (CAS 202821-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969463-8 (accessed 2026-10-24).

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