Molekula
Fmoc-Cl (9-Fluorenylmethyl chloroformate)
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-Cl (9-Fluorenylmethyl chloroformate) is a highly reactive reagent used primarily in peptide synthesis to introduce the Fmoc protecting group, enabling controlled chain elongation. It is also employed in organic synthesis for selective functionalization. This chemical has a CAS number of 28920-43-6, a molecular formula of C15H11ClO2, and a molecular weight of 258.70. It must be stored between 2 to 8°C and carries a **Danger** signal word due to its hazardous nature. Molekula supplies Fmoc-Cl 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.
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5 g — $56.10 per pack
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25 g — $79.80 per pack
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100 g — $147.90 per pack
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 | White to off white crystalline powder |
| Melting Point | 60.0 - 65.0° |
| Loss on Drying | ≤0.5% |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 72095944 |
| CAS Number | 28920-43-6 |
| IUPAC Name | 9H-fluoren-9-ylmethyl carbonochloridate |
| EC Number | 249-313-6 |
| Molecular Formula | C15H11ClO2 |
| Molecular Weight | 258.70 |
| Exact Mass | 258.0448 |
| SMILES | C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)Cl |
| InChIKey | IRXSLJNXXZKURP-UHFFFAOYSA-N |
| InChI | InChI=1S/C15H11ClO2/c16-15(17)18-9-14-12-7-3-1-5-10(12)11-6-2-4-8-13(11)14/h1-8,14H,9H2 |
| PubChem CID | 34367 |
| UN Number | UN3261 |
| REACH Code | Y110 |
| HTS Code | 2915.90.2000 |
| Tariff Code | 2915909098 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- EUH029 Contact with water liberates toxic gas
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
- H332 Harmful if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
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
- (9h-fluoren-9-yl)methyl carbonochloridate
- 1-(9-Fluorenyl)methyl chloroformate
- 9-FLMC
- 9-Fluorenylmethoxycarbonyl chloride
- 9-Fluorenylmethyl chloroformate
- Carbonochloridic acid, 9H-fluoren-9-ylmethyl ester
- Fluoren-9-ylmethyl chloroformate
- Fmoc-chloride
- Fmoc-Cl
- FORMIC ACID, CHLORO-, FLUOREN-9-YLMETHYL ESTER
Frequently asked questions
What is Fmoc-Cl (9-Fluorenylmethyl chloroformate) commonly used for?
Fmoc-Cl is primarily used in peptide synthesis as a protecting group for amines, particularly in solid-phase peptide synthesis (SPPS), and in organic synthesis for Fmoc-based chemistry.
What is the chemical formula and molecular weight of Fmoc-Cl?
The chemical formula is **C15H11ClO2**, and the molecular weight is **258.70 g/mol**.
How should Fmoc-Cl be stored?
Store Fmoc-Cl at **2–8°C** in a cool, dry place, away from moisture and light, as it is sensitive to hydrolysis.
What grades or purities of Fmoc-Cl does Molekula supply?
Molekula supplies **high-purity Fmoc-Cl (≥98% purity)** suitable for research and industrial applications.
Can Molekula supply Fmoc-Cl in bulk quantities?
Yes, Molekula can provide Fmoc-Cl in bulk, with quantities tailored to customer requirements—please contact us for specific pricing and availability.
What documentation comes with an order of Fmoc-Cl?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity and quality standards.
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.