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tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate

Also known as: 1-(tert-Butoxycarbonyl)-4-(tosyloxymethyl)piperidine, 1-(tert-Butoxycarbonyl)-4-[(p-toluenesulfonyloxy)methyl]piperidine, 1-Boc-4-(p-toluenesulfonyloxymethyl)piperidine, 1-Boc-4-(tosyloxymethyl)piperidine, 1-PIPERIDINECARBOXYLIC ACID, 4-[[[(4-METHYLPHENYL)SULFONYL]OXY]METHYL]-, 1,1-DIMETHYLETHYL ESTER, 1-Piperidinecarboxylic acid, 4-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 4-({[(4-methylphenyl)sulfonyl]oxy}methyl)-1-piperidinecarboxylate, 4-[(4-methylphenyl)sulfonyloxymethyl]-1-piperidinecarboxylic acid tert-butyl ester, 4-[(4-methylphenyl)sulfonyloxymethyl]piperidine-1-carboxylic acid tert-butyl ester, N-Boc-4-(4-Toluenesulfonyloxymethyl)piperidine, N-TERT-BUTOXYCARBONYL-4-(4-TOLUENESULFONYLOXYMETHYL)PIPERIDINE, N-tert-Butoxycarbonyl-4-(4-toluenesulfonyloxymethyl)piperidine, tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate, tert-Butyl 4-({[(4-methylphenyl)sulfonyl]oxy}methyl)piperidine-1-carboxylate, tert-butyl 4-{[(4-methylbenzenesulfonyl)oxy]methyl}piperidine-1-carboxylate

tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate (CAS 166815-96-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H27NO5S and a molecular weight of 369.476 g/mol. Key properties include a melting point of 74 °C, a boiling point of 487.8±18.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 248.8±21.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
166815-96-9
Jingsj CID
J-1179273-7
Molecular Formula
C18H27NO5S
Molecular Weight
369.476 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point74 °C
Boiling Point487.8±18.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point248.8±21.2 °C
Exact Mass369.160980
PSA81.29000
LogP2.90
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.526

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 tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate?

The CAS number of tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate is 166815-96-9.

What are the molecular formula and molecular weight of tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate?

tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate has molecular formula C18H27NO5S and molecular weight 369.476 g/mol.

What are the upstream and downstream products of tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate?

For tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate, Upstream Products: p-Toluenesulfonyl chloride, tert-Butyl 4-(hydroxymethyl)piperidine-1-carboxylate, 1,4-Diazabicyclo[2.2.2]octane; Downstream Products: tert-Butyl 4-(fluoromethyl)piperidine-1-carboxylate, tert-butyl 4-(((4-((4-bromo-2-fluorophenyl)amino)-6-methoxyquinazolin-7-yl)oxy)methyl)piperidine-1-carboxylate, N-(4-bromo-2-fluorophenyl)-6-methoxy-7-(piperidin-4-ylmethoxy)quinazolin-4-amine.

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

Last updated:

How to cite: Jingsj. "tert-Butyl 4-((tosyloxy)methyl)piperidine-1-carboxylate (CAS 166815-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179273-7 (accessed 2026-11-09).

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