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4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester

Also known as: 1-tert-butoxycarbonyl-4-ethoxycarbonylmethylenepiperidine, Ethyl 2-(1-Boc-4-piperidylidene)acetate, tert-Butyl 4-(2-ethoxy-2-oxoethylidene)piperidine-1-carboxylate, 4-(Ethoxycarbonylmethylene)-1-(tert-butoxycarbonyl)piperidine

4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester (CAS 135716-08-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H23NO4 and a molecular weight of 269.33700 g/mol. Key property: a melting point of 85 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
135716-08-4
Jingsj CID
J-1156238-2
Molecular Formula
C14H23NO4
Molecular Weight
269.33700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point85 °C
Exact Mass269.16300
PSA55.84000
LogP2.44470

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester?

The CAS number of 4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester is 135716-08-4.

What are the molecular formula and molecular weight of 4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester?

4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester has molecular formula C14H23NO4 and molecular weight 269.33700 g/mol.

What are the upstream and downstream products of 4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester?

For 4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester, Upstream Products: Triethyl phosphonoacetate, Ethyl dimethylphosphonoacetate, 1-Chloroethyl chloroformate; Downstream Products: tert-Butyl 4-(2-((methylsulfonyl)oxy)ethyl)piperidine-1-carboxylate, tert-Butyl 4-(2-hydroxyethyl)piperidine-1-carboxylate, Ethyl 2-(piperidin-4-yl)acetate.

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

Last updated:

How to cite: Jingsj. "4-(2-Ethoxy-2-oxoethylidene)-1-piperidinecarboxylic acid tert-butyl ester (CAS 135716-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1156238-2 (accessed 2026-11-09).

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