tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate
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. 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-1385096-9
- Molecular Formula
- C19H27NO5
- Molecular Weight
- 349.42100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 464.4ºC at 760 mmHg |
|---|---|
| Density | 1.1g/cm3 |
| Flash Point | 234.6ºC |
| Exact Mass | 349.18900 |
| PSA | 85.19000 |
| LogP | 3.44270 |
| Vapor Pressure | 8.41E-09mmHg at 25°C |
| Refractive Index | 1.502 |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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.
What are the upstream and downstream products of tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate?
For tert-butyl (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate, Upstream Products: tert-Butyl acetate, N-Carbobenzyloxy-L-valine, 1,1'-Carbonyldiimidazole.
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 (S)-4-(Cbz-amino)-5-methyl-3-oxohexanoate (CAS 191731-16-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385096-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.