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 1999 · 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
In stock — same-day dispatch
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.
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1 g — £20.20 per pack ex VAT · £24.24 inc. VAT
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25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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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
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Health Hazard
GHS07
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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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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.