O-tert-Butyl-L-threonine
Also known as: H-Thr(tBu)-OH, (2S,3R)-2-amino-3-(tert-butoxy)butanoic acid, (2S,3R)-2-amino-3-[(2-methylpropan-2-yl)oxy]butanoic acid, H-Thr(Bu)-OH, O-(1,1-Dimethylethyl)-L-threonine, L-Threonine, O-(1,1-dimethylethyl)-, Threonine tert-butyl ether, O-(2-Methyl-2-propanyl)-L-threonine
O-tert-Butyl-L-threonine (CAS 4378-13-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H17NO3 and a molecular weight of 175.225 g/mol. Key properties include a melting point of 244-247ºC, a boiling point of 275.3±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 120.3±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4378-13-6
- Jingsj CID
- J-1987322-4
- Molecular Formula
- C8H17NO3
- Molecular Weight
- 175.225 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 244-247ºC |
|---|---|
| Boiling Point | 275.3±30.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 120.3±24.6 °C |
| Exact Mass | 175.120850 |
| PSA | 72.55000 |
| LogP | 1.22 |
| Appearance | Solid |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.464 |
| Storage Conditions | Store at RT. |
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144. |
|---|
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. 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 O-tert-Butyl-L-threonine?
The CAS number of O-tert-Butyl-L-threonine is 4378-13-6.
What are the molecular formula and molecular weight of O-tert-Butyl-L-threonine?
O-tert-Butyl-L-threonine has molecular formula C8H17NO3 and molecular weight 175.225 g/mol.
What are the upstream and downstream products of O-tert-Butyl-L-threonine?
For O-tert-Butyl-L-threonine, Upstream Products: Fmoc-Thr(tBu)-OH, Isobutylene; Downstream Products: Fmoc-Thr(tBu)-OH, Boc-O-tert-butyl-L-threonine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "O-tert-Butyl-L-threonine (CAS 4378-13-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987322-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.