(R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid
Also known as: Boc-D-β-leucine, Boc-β-Leu-OH, Boc-D-β-HoVal-OH, (3R)-3-[(tert-butoxycarbonyl)amino]-4-methylpentanoic acid, (R)-3-{[(tert-butyl)carbonyl]amino}-4-methylpentanoic acid, (R)-N-Boc-3-Amino-4-methylpentanoic acid, MFCD01076232
(R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid (CAS 183990-64-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H21NO4 and a molecular weight of 231.289 g/mol. Key properties include a melting point of 115-120℃, a boiling point of 360.4±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 183990-64-9
- Jingsj CID
- J-1012305-4
- Molecular Formula
- C11H21NO4
- Molecular Weight
- 231.289 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 115-120℃ |
|---|---|
| Boiling Point | 360.4±25.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 171.8±23.2 °C |
| Exact Mass | 231.147064 |
| PSA | 75.63000 |
| LogP | 2.15 |
| Appearance | Solid |
| Vapor Pressure | 0.0±1.7 mmHg at 25°C |
| Refractive Index | 1.461 |
Customs & Trade Information
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic 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 (R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid?
The CAS number of (R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid is 183990-64-9.
What are the molecular formula and molecular weight of (R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid?
(R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid has molecular formula C11H21NO4 and molecular weight 231.289 g/mol.
What are the upstream and downstream products of (R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid?
For (R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid, Upstream Products: N-(tert-Butoxycarbonyl)-L-valine, 3-Amino-4-methylpentanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(R)-3-((tert-Butoxycarbonyl)amino)-4-methylpentanoic acid (CAS 183990-64-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012305-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.