Fmoc-OSu
Also known as: N-(9-Fluorenylmethoxycarbonyloxy)succinimide, Fmoc N-hydroxysuccinimide ester, (9H-Fluoren-9-yl)methyl (2,5-dioxopyrrolidin-1-yl) carbonate, 9-Fluorenylmethyl succinimidyl carbonate, Fmoc-ONSu, N-(9-Fluorenylmethoxycarbonyloxy) succinimide, 2,5-Pyrrolidinedione, 1-[[(9H-fluoren-9-ylmethoxy)carbonyl]oxy]-, Carbonic acid 9-fluorenylmethyl N-succinimidyl ester
Fmoc-OSu (CAS 82911-69-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H15NO5 and a molecular weight of 337.33 g/mol. Key properties include a melting point of 150-153 °C(lit.), a boiling point of 494.3±38.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 252.7±26.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 82911-69-1
- Jingsj CID
- J-1115724-7
- Molecular Formula
- C19H15NO5
- Molecular Weight
- 337.33 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150-153 °C(lit.) |
|---|---|
| Boiling Point | 494.3±38.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 252.7±26.8 °C |
| Exact Mass | 337.095032 |
| PSA | 72.91000 |
| LogP | 2.32 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.662 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H411 — Toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2925190090 |
|---|---|
| Summary | 2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Fmoc-OSu?
The CAS number of Fmoc-OSu is 82911-69-1.
What are the molecular formula and molecular weight of Fmoc-OSu?
Fmoc-OSu has molecular formula C19H15NO5 and molecular weight 337.33 g/mol.
Is Fmoc-OSu hazardous?
Fmoc-OSu has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H411 — Toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Fmoc-OSu?
For Fmoc-OSu, Upstream Products: N-Hydroxysuccinimide, 9-Fluorenylmethyl chloroformate, 9-Fluorenemethanol; Downstream Products: Fmoc-δ-azido-Nva-OH, (1S,2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)cyclohexanecarboxylic acid, 9-Fluorenylmethyl carbazate.
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-OSu (CAS 82911-69-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115724-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.