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tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate

Also known as: 1'-BOC-6-FLUORO-1,2-DIHYDRO-2-OXOSPIRO[4H-3,1-BENZOXAZINE-4,4'-PIPERIDINE], tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate, 6-fluoro-1,2-dihydro-2-oxospiro[4H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylic acid tert-butyl ester

tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate (CAS 345938-08-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H21FN2O4 and a molecular weight of 336.35800 g/mol. Key properties include a boiling point of 414ºC at 760 mmHg, a density of 1.3g/cm3 and a flash point of 204.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
345938-08-1
Jingsj CID
J-978897-0
Molecular Formula
C17H21FN2O4
Molecular Weight
336.35800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point414ºC at 760 mmHg
Density1.3g/cm3
Flash Point204.2ºC
Exact Mass336.14900
PSA67.87000
LogP3.68990
Refractive Index1.572

Frequently Asked Questions

What is the CAS number of tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate?

The CAS number of tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate is 345938-08-1.

What are the molecular formula and molecular weight of tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate?

tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate has molecular formula C17H21FN2O4 and molecular weight 336.35800 g/mol.

What are the upstream and downstream products of tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate?

For tert-butyl 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate, Upstream Products: tert-Butyl (4-fluorophenyl)carbamate.

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 6-fluoro-2-oxospiro[1H-3,1-benzoxazine-4,4'-piperidine]-1'-carboxylate (CAS 345938-08-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-978897-0 (accessed 2026-11-09).

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