Molekula
2',3'-Dideoxycytidine (Zalcitabine)
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',3'-Dideoxycytidine (Zalcitabine) is a nucleoside reverse transcriptase inhibitor used in the treatment of HIV infection. It functions by interrupting viral DNA synthesis. Available with CAS number 7481-89-2, molecular formula C9H13N3O3, and molecular weight 211.22 g/mol. Store at 2 to 8 °C. Signal word: Warning.
Molekula supplies 2',3'-Dideoxycytidine (Zalcitabine) in 100 mg packs, from £189.72 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 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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100 mg — £158.10 per pack ex VAT · £189.72 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 | White crystalline powder |
| Heavy metals | ≥20ppm |
| Identification | IR, HPLC |
| Storage Temperature | -18℃ |
| Related Substances | Individual Impurity: max. 0.3%, Total Impurities: max. 2.0% |
| Assay (HPLC) | 98.0 - 102.0 % (anhydrous basis) |
| Residue on Ignition | ≥0.1% |
| Moisture | ≥ 0.3% |
| Specific optical rotation | +73°- +77° |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Melting Point | 215-217 °C; also reported as 209-210 °C |
| Vapour Pressure | 5.8 × 10⁻⁸ mmHg at 25 °C (Estimated) |
| log P (octanol/water) | -1.30 |
Source: PubChem CID 24066 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 84941822 |
| CAS Number | 7481-89-2 |
| IUPAC Name | 4-amino-1-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one |
| Molecular Formula | C9H13N3O3 |
| Molecular Weight | 211.22 |
| Exact Mass | 211.0957 |
| SMILES | C1C[C@@H](O[C@@H]1CO)N2C=CC(=NC2=O)N |
| InChIKey | WREGKURFCTUGRC-POYBYMJQSA-N |
| InChI | InChI=1S/C9H13N3O3/c10-7-3-4-12(9(14)11-7)8-2-1-6(5-13)15-8/h3-4,6,8,13H,1-2,5H2,(H2,10,11,14)/t6-,8+/m0/s1 |
| PubChem CID | 24066 |
| REACH Code | Y110 |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- H351 Suspected of causing cancer
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- 4-Amino-1-((2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one
- 4-amino-1-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one
- Cytidine, 2',3'-dideoxy-
- ddC (Antiviral)
- ddCyd
- Dideoxycytidine
- Ro 24-2027/000
- zalcitabina
- zalcitabine
- Zalcitabine (dideoxycytidine,ddc)
Frequently asked questions
What is 2',3'-Dideoxycytidine (Zalcitabine) used for?
It is an antiretroviral medication used in the treatment of HIV infection, acting as a nucleoside reverse transcriptase inhibitor.
What is the chemical formula and molecular weight of 2',3'-Dideoxycytidine?
The formula is C9H13N3O3 with a molecular weight of 211.22 g/mol.
How should 2',3'-Dideoxycytidine be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for 2',3'-Dideoxycytidine?
The specification gives an HPLC assay of 98.0–102.0% (anhydrous basis), with individual impurities max. 0.3% and total impurities max. 2.0%; further details are provided upon request.
Can Molekula supply 2',3'-Dideoxycytidine in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of 2',3'-Dideoxycytidine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Where can I buy 2',3'-Dideoxycytidine (Zalcitabine)?
Directly from Molekula, which lists 2',3'-Dideoxycytidine (Zalcitabine) in 100 mg packs from £189.72 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.