5-chloro-3-phenyl-1,2,4-oxadiazole

5-氯-3-苯基-1,2,4-恶二唑

Also known as: 1,2,4-Oxadiazole, 5-chloro-3-phenyl-, 3-Phenyl-5-chloro-1,2,4-oxadiazole, 3-Phenyl-5-chlor-1,2,4-oxadiazol, 5-Chlor-3-phenyl-1,2,4-oxadiazol, 5-chloro-3-phenyl-1,2,4-oxadiazole(SALTDATA: FREE)

5-chloro-3-phenyl-1,2,4-oxadiazole (CAS 827-44-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H5ClN2O and a molecular weight of 180.59100 g/mol. It is also known as 1,2,4-Oxadiazole, 5-chloro-3-phenyl-, 3-Phenyl-5-chloro-1,2,4-oxadiazole and 3-Phenyl-5-chlor-1,2,4-oxadiazol. Key properties include a melting point of 37-38ºC and a density of 1.328±0.06 g/cm3 (20ºC 760 Torr). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
827-44-1
Jingsj CID
J-1466971-4
Molecular Formula
C8H5ClN2O
Chinese Name
5-氯-3-苯基-1,2,4-恶二唑
Molecular Weight
180.59100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point37-38ºC
Density1.328±0.06 g/cm3 (20ºC 760 Torr)
Exact Mass180.00900
PSA38.92000
LogP2.39000
Refractive Index1.564
Storage Conditions2-8℃

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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 5-chloro-3-phenyl-1,2,4-oxadiazole?

The CAS number of 5-chloro-3-phenyl-1,2,4-oxadiazole is 827-44-1.

What are the molecular formula and molecular weight of 5-chloro-3-phenyl-1,2,4-oxadiazole?

5-chloro-3-phenyl-1,2,4-oxadiazole has molecular formula C8H5ClN2O and molecular weight 180.59100 g/mol.

Is 5-chloro-3-phenyl-1,2,4-oxadiazole hazardous?

5-chloro-3-phenyl-1,2,4-oxadiazole has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 5-chloro-3-phenyl-1,2,4-oxadiazole?

For 5-chloro-3-phenyl-1,2,4-oxadiazole, Upstream Products: 3-Phenyl-1,2,4-oxadiazol-5-ol, Phosphoryl chloride.

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

Last updated:

How to cite: Jingsj. "5-chloro-3-phenyl-1,2,4-oxadiazole (CAS 827-44-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466971-4 (accessed 2026-10-28).

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