Molekula
Purine
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
Purine is a heterocyclic aromatic compound used in biochemical research and the synthesis of nucleotides and nucleic acids. It is available in high purity for laboratory and industrial applications. CAS: 120-73-0, Molecular Formula: C5H4N4, Molecular Weight: 120.11 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies Purine 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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1 g — £53.30 per pack ex VAT · £63.96 inc. VAT
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5 g — £187.60 per pack ex VAT · £225.12 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 to yellow powder |
| Assay (HPLC) | ⩾ 98.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 214 °C |
Source: PubChem CID 1044 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90033670 |
| CAS Number | 120-73-0 |
| IUPAC Name | 7H-purine |
| EC Number | 204-421-2 |
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11 |
| Exact Mass | 120.0436 |
| SMILES | C1=C2C(=NC=N1)N=CN2 |
| InChIKey | KDCGOANMDULRCW-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H4N4/c1-4-5(8-2-6-1)9-3-7-4/h1-3H,(H,6,7,8,9) |
| PubChem CID | 1044 |
| REACH Code | Y113 |
| HTS Code | 29335995 |
| Tariff Code | 2933599590 |
Safety & GHS
Precautionary statements
- 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, Russian, 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
- 1H-Purine
- 3H-purine
- 6H-Imidazo(4,5-d)pyrimidine
- 7H-Imidazo(4,5-d)pyrimidine
- 7H-Purine
- 9H-Purine
- beta-Purine
- Imidazo(4,5-d)pyrimidine
- Isopurine
- Purine base
Frequently asked questions
What is purine used for?
Purine is primarily used as a building block in the synthesis of nucleic acids and as an intermediate in the production of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of purine?
The chemical formula of purine is C5H4N4, and its molecular weight is 120.11 g/mol.
How should purine be stored?
Purine should be stored at ambient temperature, protected from moisture and light.
What grade of purine does Molekula supply?
Molekula supplies purine in high-purity grade suitable for research and industrial applications.
Can Molekula supply purine in bulk?
Yes, Molekula can supply purine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purine order?
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.