Molekula
Fmoc-OSu (9-Fluorenylmethyl succinimidyl carbonate)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Fmoc-OSu (9-Fluorenylmethyl succinimidyl carbonate) is a highly reactive Fmoc protecting group reagent essential in peptide synthesis, enabling efficient N-terminal protection of amino acids. It facilitates solid-phase peptide synthesis with high yields and minimal side reactions. CAS 82911-69-1, molecular formula C19H15NO5, molecular weight 337.33 g/mol, store between 2–8°C. Signal word: Warning. Molekula supplies Fmoc-OSu from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
1 g — £20.20 per pack ex VAT · £24.24 inc. VAT
-
25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
-
100 g — £77.40 per pack ex VAT · £92.88 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 30104685 |
| CAS Number | 82911-69-1 |
| IUPAC Name | (2,5-dioxopyrrolidin-1-yl) 9H-fluoren-9-ylmethyl carbonate |
| EC Number | 433-520-5 |
| Molecular Formula | C19H15NO5 |
| Molecular Weight | 337.33 |
| Exact Mass | 337.095 |
| SMILES | C1CC(=O)N(C1=O)OC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24 |
| InChIKey | WMSUFWLPZLCIHP-UHFFFAOYSA-N |
| InChI | InChI=1S/C19H15NO5/c21-17-9-10-18(22)20(17)25-19(23)24-11-16-14-7-3-1-5-12(14)13-6-2-4-8-15(13)16/h1-8,16H,9-11H2 |
| PubChem CID | 134122 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| Tariff Code | 2928009090 |
Safety & GHS
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (2,5-dioxopyrrolidin-1-yl) 9H-fluoren-9-ylmethyl carbonate
- (9H-fluoren-9-yl)methyl (2,5-dioxopyrrolidin-1-yl) carbonate
- 2,5-dioxoazolidinyl (fluoren-9-ylmethoxy)formate
- 2,5-PYRROLIDINEDIONE, 1-[[(9H-FLUOREN-9-YLMETHOXY)CARBONYL]OXY]-
- 9-Fluorenylmethyl N-succinimidyl carbonate
- 9-Fluorenylmethylsuccinimidyl carbonate
- Fmoc N-hydroxysuccinimide ester
- Fmoc-onsu
- Fmoc-OSu
- N-(9-Fluorenylmethoxycarbonyloxy)succinimide
Frequently asked questions
What is Fmoc-OSu primarily used for?
Fmoc-OSu is commonly used for the introduction of the Fmoc protecting group in peptide synthesis, particularly for amino acids and solid-phase synthesis protocols.
What is the chemical formula and molecular weight of Fmoc-OSu?
The chemical formula is **C19H15NO5**, and the molecular weight is **337.33 g/mol**.
How should Fmoc-OSu be stored?
Store Fmoc-OSu at **2 to 8°C** in a cool, dry place, protected from light and moisture.
What grade of Fmoc-OSu does Molekula supply?
Molekula supplies **analytical and synthesis-grade Fmoc-OSu**, suitable for research and industrial applications.
Can Molekula supply Fmoc-OSu in bulk quantities?
Yes, Molekula can provide Fmoc-OSu in bulk, with quantities tailored to meet your specific requirements—please contact us for pricing and availability.
What documentation comes with an order of Fmoc-OSu?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.