tert-butyl 3-phenylpiperazine-1-carboxylate

Also known as: 1-boc-3-phenylpiperazine, 1-N-Boc-3-phenylpiperazine, 1-N-Boc-3-phenylpiperizine, 2-Methyl-2-propanyl 3-phenyl-1-piperazinecarboxylate, 2-Methyl-2-propanyl-3-phenyl-1-piperazincarboxylat, 3-PHENYL-PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER, 3-PHENYLPIPERAZINE, N1-BOC PROTECTED, N-1-BOC-3-PHENYL PIPERAZINE, N-1-BOC-3-PHENYL PIPERIZINE, N-BOC-3-PHENYLPIPERAZINE, N-Boc-3-phenylpiperazine, TERT-BUTYL 3-PHENYLPIPERAZINE-1-CARBOXYLATE, tert-butyl 3-phenyl-piperazine-1-carboxylate, MFCD03840082, (+/-)-1-boc-3-phenyl-piperazine

tert-butyl 3-phenylpiperazine-1-carboxylate (CAS 502649-25-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H22N2O2 and a molecular weight of 262.347 g/mol. Key properties include a boiling point of 371.4±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 178.4±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 502649-25-4
Jingsj CID: J-1500421-4
Molecular Formula: C₁₅H₂₂N₂O₂
Molecular Weight: 262.347 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	371.4±30.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	178.4±24.6 °C
Exact Mass	262.168121
PSA	41.57000
LogP	2.17
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.521
Storage Conditions	2-8°C

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 tert-butyl 3-phenylpiperazine-1-carboxylate?

The CAS number of tert-butyl 3-phenylpiperazine-1-carboxylate is 502649-25-4.

What are the molecular formula and molecular weight of tert-butyl 3-phenylpiperazine-1-carboxylate?

tert-butyl 3-phenylpiperazine-1-carboxylate has molecular formula C15H22N2O2 and molecular weight 262.347 g/mol.

What are the upstream and downstream products of tert-butyl 3-phenylpiperazine-1-carboxylate?

For tert-butyl 3-phenylpiperazine-1-carboxylate, Upstream Products: 2-Phenylpiperazine, Di-tert-butyl dicarbonate, 2-Phenylpyrazine; Downstream Products: Benzyl 2-phenylpiperazine-1-carboxylate.

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. "tert-butyl 3-phenylpiperazine-1-carboxylate (CAS 502649-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500421-4 (accessed 2026-11-09).

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