Molekula
2'-Deoxy-5-fluorocytidine
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
2'-Deoxy-5-fluorocytidine is a fluorinated nucleoside used in antiviral and anticancer research. It serves as an intermediate in the synthesis of capecitabine, is a known metabolite of capecitabine, and is used as an impurity reference standard (Capecitabine EP Impurity A) in pharmaceutical development. Available with CAS number 66335-38-4, molecular formula C9H12FN3O4, and molecular weight 245.21 g/mol. Stored at ambient temperature. Signal word: Danger. Molekula supplies 2'-Deoxy-5-fluorocytidine 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
On backorder — expected to ship by 24 November 2026
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 — £30.90 per pack ex VAT · £37.08 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 | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 79755577 |
| CAS Number | 66335-38-4 |
| IUPAC Name | 4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-methyloxolan-2-yl]-5-fluoropyrimidin-2-one |
| Molecular Formula | C9H12FN3O4 |
| Molecular Weight | 245.21 |
| Exact Mass | 245.0812 |
| SMILES | C[C@@H]1[C@H]([C@H]([C@@H](O1)N2C=C(C(=NC2=O)N)F)O)O |
| InChIKey | YSNABXSEHNLERR-ZIYNGMLESA-N |
| InChI | InChI=1S/C9H12FN3O4/c1-3-5(14)6(15)8(17-3)13-2-4(10)7(11)12-9(13)16/h2-3,5-6,8,14-15H,1H3,(H2,11,12,16)/t3-,5-,6-,8-/m1/s1 |
| PubChem CID | 10037499 |
| REACH Code | Y110 |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H360 May damage fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
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
- 1-(5-Deoxy-b-D-ribofuranosyl)-5-fluorocytidine
- 5 inverted exclamation mark -Deoxy-5-fluorocytidine
- 5-Fluoro-5'-deoxycytidine
- 5'-Deoxy-5-fluoro-D-cytidine
- 5'-Deoxy-5-fluorocytidine
- 5'-Deoxy-5-fluorocytidine (5'-DFCR)
- 5'-Dfcr
- Cytidine, 5'-deoxy-5-fluoro-
Frequently asked questions
What is 2'-Deoxy-5-fluorocytidine used for?
It is primarily used in the synthesis of antiviral and anticancer drugs, particularly as a nucleoside analog in chemotherapy agents.
What is the chemical formula and molecular weight of 2'-Deoxy-5-fluorocytidine?
The formula is C9H12FN3O4 with a molecular weight of 245.21 g/mol.
How should 2'-Deoxy-5-fluorocytidine be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 2'-Deoxy-5-fluorocytidine?
It is available in research grade, suitable for laboratory synthesis and pharmaceutical development.
Can Molekula supply 2'-Deoxy-5-fluorocytidine in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of 2'-Deoxy-5-fluorocytidine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.