Molekula
Acyclovir
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
Acyclovir is an antiviral medication used to treat infections caused by herpes simplex virus and varicella-zoster virus. It functions by inhibiting viral DNA synthesis. Available in powder form with a CAS number of 59277-89-3, molecular formula C8H11N5O3, and molecular weight of 225.20 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies Acyclovir 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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100 mg — £89.70 per pack ex VAT · £107.64 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 | Off white crystalline powder |
| Water | ≤5.0% |
| Assay | ≥99.0% |
| Sulphated Ash | ≤1.0% |
| Appearance of Solution | Complies. Not more intensely coloured than reference solution. |
| Identification (IR) | Conforms to standard |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White, crystalline powder |
| Melting Point | 255 °C |
| Solubility (other solvents) | Soluble in diluted hydrochloric acid; slightly soluble in water; insoluble in alcohol |
| pKa | pKa1 = 2.27 |
| log P (octanol/water) | -1.56 |
Source: PubChem CID 135398513 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 20090865 |
| CAS Number | 59277-89-3 |
| IUPAC Name | 2-amino-9-(2-hydroxyethoxymethyl)-1H-purin-6-one |
| EC Number | 261-685-1 |
| Molecular Formula | C8H11N5O3 |
| Molecular Weight | 225.20 |
| Exact Mass | 225.0862 |
| SMILES | C1=NC2=C(N1COCCO)N=C(NC2=O)N |
| InChIKey | MKUXAQIIEYXACX-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H11N5O3/c9-8-11-6-5(7(15)12-8)10-3-13(6)4-16-2-1-14/h3,14H,1-2,4H2,(H3,9,11,12,15) |
| PubChem CID | 135398513 |
| REACH Code | Y113 |
| HTS Code | 29335995 |
| Tariff Code | 2933599590 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
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
- 9-[(2-Hydroxyethoxy)methyl]guanine
- Acicloftal
- Aciclovir
- Aciclovirum
- Acycloguanosine
- Cargosil
- Sitavig
- Vipral
- Virorax
- Wellcome-248U
Frequently asked questions
What is Acyclovir used for?
Acyclovir is an antiviral medication used to treat infections caused by herpes simplex virus, including genital herpes and cold sores.
What is the chemical formula and molecular weight of Acyclovir?
The chemical formula of Acyclovir is C8H11N5O3, and its molecular weight is 225.20 g/mol.
How should Acyclovir be stored?
Acyclovir should be stored at ambient temperature, protected from moisture and light.
What grade of Acyclovir does Molekula supply?
Molekula supplies Acyclovir in research-grade purity suitable for laboratory use.
Can Molekula supply Acyclovir in bulk quantities?
Yes, Molekula can supply Acyclovir in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of Acyclovir?
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.