Fmoc-L-beta-homoserine(OtBu)
Also known as: Fmoc-β-Homoser(tBu)-OH, Fmoc-L-beta-homoserine(OtBu), Fmoc-O-tert-butyl-L-β-homoserine, (3R)-4-(tert-butoxy)-3-(((9H-fluoren-9-yl)methoxy)carbonyl)amino)butanoic acid, Butanoic acid, 4-(1,1-dimethylethoxy)-3-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-, (3R)-, Fmoc-β-Homo-Ser(tBu)-OH, Fmoc-b-HoSer(tBu)-OH, MFCD01862865
Fmoc-L-beta-homoserine(OtBu) (CAS 203854-51-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H27NO5 and a molecular weight of 397.464 g/mol. Key properties include a boiling point of 599.3±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 316.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 203854-51-7
- Jingsj CID
- J-1524883-6
- Molecular Formula
- C23H27NO5
- Molecular Weight
- 397.464 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 599.3±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 316.2±30.1 °C |
| Exact Mass | 397.188934 |
| PSA | 84.86000 |
| LogP | 4.95 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.570 |
| Storage Conditions | 2-8°C |
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 Fmoc-L-beta-homoserine(OtBu)?
The CAS number of Fmoc-L-beta-homoserine(OtBu) is 203854-51-7.
What are the molecular formula and molecular weight of Fmoc-L-beta-homoserine(OtBu)?
Fmoc-L-beta-homoserine(OtBu) has molecular formula C23H27NO5 and molecular weight 397.464 g/mol.
What are the upstream and downstream products of Fmoc-L-beta-homoserine(OtBu)?
For Fmoc-L-beta-homoserine(OtBu), Upstream Products: Fmoc-Ser(tBu)-OH.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Fmoc-L-beta-homoserine(OtBu) (CAS 203854-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524883-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.