(4-aminophenyl)(4-methylpiperazin-1-yl)methanone

Also known as: 1-(4-Aminobenzoyl)-4-methylpiperazine, 4-(4-methylpiperazine-1-carbonyl)aniline, NSC 27588, BUTTPARK 19\02-44

(4-aminophenyl)(4-methylpiperazin-1-yl)methanone (CAS 55121-99-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H17N3O and a molecular weight of 219.28300 g/mol. Key properties include a melting point of 140ºC, a boiling point of 407ºC at 760 mmHg, a density of 1.167 and a flash point of 200ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55121-99-8
Jingsj CID: J-1476444-4
Molecular Formula: C₁₂H₁₇N₃O
Molecular Weight: 219.28300 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	140ºC
Boiling Point	407ºC at 760 mmHg
Density	1.167
Flash Point	200ºC
Exact Mass	219.13700
PSA	49.57000
LogP	1.11340
Refractive Index	1.598

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. 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 (4-aminophenyl)(4-methylpiperazin-1-yl)methanone?

The CAS number of (4-aminophenyl)(4-methylpiperazin-1-yl)methanone is 55121-99-8.

What are the molecular formula and molecular weight of (4-aminophenyl)(4-methylpiperazin-1-yl)methanone?

(4-aminophenyl)(4-methylpiperazin-1-yl)methanone has molecular formula C12H17N3O and molecular weight 219.28300 g/mol.

What are the upstream and downstream products of (4-aminophenyl)(4-methylpiperazin-1-yl)methanone?

For (4-aminophenyl)(4-methylpiperazin-1-yl)methanone, Upstream Products: 1-Methylpiperazine, 4-Nitrobenzoic acid, 4-Bromo-2-fluoroaniline.

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. "(4-aminophenyl)(4-methylpiperazin-1-yl)methanone (CAS 55121-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1476444-4 (accessed 2026-11-09).

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