1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate

Also known as: N-Cbz-4-Methylisonipecotic acid ethyl ester, N-Cbz-4-Methyl Isonipecotic Acid Ethyl Ester, 4-Methyl-1,4-piperidinedicarboxylic acid 4-ethyl 1-(phenylmethyl) ester, 1-O-benzyl 4-O-ethyl 4-methylpiperidine-1,4-dicarboxylate, 1,4-Piperidinedicarboxylic acid, 4-methyl-, 4-ethyl 1-(phenylmethyl) ester

1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate (CAS 203521-95-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H23NO4 and a molecular weight of 305.36900 g/mol. Key property: a density of 1.137. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 203521-95-3
Jingsj CID: J-1444920-8
Molecular Formula: C₁₇H₂₃NO₄
Molecular Weight: 305.36900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density	1.137
Exact Mass	305.16300
PSA	55.84000
LogP	2.92630
Refractive Index	1.525

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) 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-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate?

The CAS number of 1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate is 203521-95-3.

What are the molecular formula and molecular weight of 1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate?

1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate has molecular formula C17H23NO4 and molecular weight 305.36900 g/mol.

What are the upstream and downstream products of 1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate?

For 1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate, Upstream Products: Ethyl 1-Cbz-piperidine-4-carboxylate, iodomethane.

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. "1-Benzyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate (CAS 203521-95-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1444920-8 (accessed 2026-11-09).

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