(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid
(S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-4,4-二甲基戊酸
Also known as: Fmoc-Neopentylglycine, Fmoc-4-methyl-L-leucine, Fmoc-γ-methyl-L-leucine, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-4-methyl-L-leucine
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid (CAS 139551-74-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H25NO4 and a molecular weight of 367.438 g/mol. It is also known as Fmoc-Neopentylglycine, Fmoc-4-methyl-L-leucine and Fmoc-γ-methyl-L-leucine. Key properties include a boiling point of 537.3±29.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 278.7±24.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 139551-74-9
- Jingsj CID
- J-1454442-4
- Molecular Formula
- C22H25NO4
- Chinese Name
- (S)-2-((((9H-芴-9-基)甲氧基)羰基)氨基)-4,4-二甲基戊酸
- Molecular Weight
- 367.438 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 537.3±29.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 278.7±24.3 °C |
Frequently Asked Questions
What is the CAS number of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid?
The CAS number of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid is 139551-74-9.
What are the molecular formula and molecular weight of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid?
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid has molecular formula C22H25NO4 and molecular weight 367.438 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylpentanoic acid (CAS 139551-74-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454442-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.