tert-butyl (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

Also known as: (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylic acid tert-butyl ester, (S)-2,2-dimethyl-3-(N-boc)-4-ethynyl-oxazolidine, N-Boc-4-ethynyl-2,2-dimethyl-1,3-oxazolidine

tert-butyl (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate (CAS 173065-16-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19NO3 and a molecular weight of 225.28400 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 173065-16-2
Jingsj CID: J-1307814-3
Molecular Formula: C₁₂H₁₉NO₃
Molecular Weight: 225.28400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	225.13600
PSA	38.77000
LogP	1.92950

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate?

The CAS number of tert-butyl (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate is 173065-16-2.

What are the molecular formula and molecular weight of tert-butyl (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate?

tert-butyl (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate has molecular formula C12H19NO3 and molecular weight 225.28400 g/mol.

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 (4S)-4-ethynyl-2,2-dimethyl-1,3-oxazolidine-3-carboxylate (CAS 173065-16-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1307814-3 (accessed 2026-11-09).

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