2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole

5-(4-氯苯基)-1,3,4-噁二唑-2-胺

Also known as: 5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-amine, 1,3,4-Oxadiazol-2-amine, 5-(4-chlorophenyl)-, 5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-ylamine, MFCD00461380, NSC614450

2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole (CAS 33621-61-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H6ClN3O and a molecular weight of 195.60600 g/mol. It is also known as 5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-amine, 1,3,4-Oxadiazol-2-amine, 5-(4-chlorophenyl)- and 5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-ylamine. Key properties include a melting point of 245°C (dec.), a boiling point of 358.3ºC at 760mmHg, a density of 1.415g/cm3 and a flash point of 170.5ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33621-61-3
Jingsj CID: J-1183622-3
Molecular Formula: C₈H₆ClN₃O
Chinese Name: 5-(4-氯苯基)-1,3,4-噁二唑-2-胺
Molecular Weight: 195.60600 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	245°C (dec.)
Boiling Point	358.3ºC at 760mmHg
Density	1.415g/cm3
Flash Point	170.5ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole?

The CAS number of 2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole is 33621-61-3.

What are the molecular formula and molecular weight of 2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole?

2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole has molecular formula C8H6ClN3O and molecular weight 195.60600 g/mol.

Is 2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole hazardous?

2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Amino-5-(4-chlorophenyl)-1,3,4-oxadiazole (CAS 33621-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183622-3 (accessed 2026-10-25).

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