tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate

(S)-4-(CBZ-氨基)-3-氧代-5-甲基己酸叔丁酯

Also known as: tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate, tert-butyl (4S)-5-methyl-3-oxo-4-(phenylmethoxycarbonylamino)hexanoate, (S)-tert-butyl 4-(((benzyloxy)carbonyl)amino)-5-methyl-3-oxohexanoate, hexanoic acid, 5-methyl-3-oxo-4-[[(phenylmethoxy)carbonyl]amino]-, 1,1-dimethylethyl ester, (4S)-

tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate (CAS 191731-16-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H27NO5 and a molecular weight of 349.42100 g/mol. It is also known as tert-butyl (4S)-5-methyl-3-oxo-4-(phenylmethoxycarbonylamino)hexanoate, (S)-tert-butyl 4-(((benzyloxy)carbonyl)amino)-5-methyl-3-oxohexanoate and hexanoic acid, 5-methyl-3-oxo-4-[[(phenylmethoxy)carbonyl]amino]-, 1,1-dimethylethyl ester, (4S)-. Key properties include a boiling point of 464.4ºC at 760 mmHg, a density of 1.1g/cm3 and a flash point of 234.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
191731-16-5
Jingsj CID
J-1385096-2
Molecular Formula
C19H27NO5
Chinese Name
(S)-4-(CBZ-氨基)-3-氧代-5-甲基己酸叔丁酯
Molecular Weight
349.42100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point464.4ºC at 760 mmHg
Density1.1g/cm3
Flash Point234.6ºC

Frequently Asked Questions

What is the CAS number of tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate?

The CAS number of tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate is 191731-16-5.

What are the molecular formula and molecular weight of tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate?

tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate has molecular formula C19H27NO5 and molecular weight 349.42100 g/mol.

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

Last updated:

How to cite: Jingsj. "tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate (CAS 191731-16-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385096-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.