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1-Phenylpiperazin-2-one

Also known as: 1-Phenyl-2-piperazinone, 1-Phenylpiperazin-2-one, 1-phenyl-2-oxopiperazine, 2-Piperazinone, 1-phenyl-, Piperazinone, 1-phenyl- (9CI), 1-Phenyl-piperazin-2-one, CHEMBRDG-BB 4102112

1-Phenylpiperazin-2-one (CAS 90917-86-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O and a molecular weight of 176.21900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
90917-86-5
Jingsj CID
J-1083029-2
Molecular Formula
C10H12N2O
Molecular Weight
176.21900 g/mol
Category
Ketones
Last updated
11/2/2026
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Physicochemical Properties

Exact Mass212.071640
PSA32.34000
LogP1.01660

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 1-Phenylpiperazin-2-one?

The CAS number of 1-Phenylpiperazin-2-one is 90917-86-5.

What are the molecular formula and molecular weight of 1-Phenylpiperazin-2-one?

1-Phenylpiperazin-2-one has molecular formula C10H12N2O and molecular weight 176.21900 g/mol.

What are the upstream and downstream products of 1-Phenylpiperazin-2-one?

For 1-Phenylpiperazin-2-one, Upstream Products: 2-[(2-hydroxyethyl)amino]-N-phenylacetamide, N-Phenylethylenediamine.

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

Last updated:

How to cite: Jingsj. "1-Phenylpiperazin-2-one (CAS 90917-86-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083029-2 (accessed 2026-11-09).

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