Molekula
Guanine (2-Amino-6-hydroxypurine)
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
Guanine (2-Amino-6-hydroxypurine) is a purine nucleobase used in biochemical research and nucleic acid studies. Its documented applications include biochemical research and use as a colorant in cosmetics and externally applied drug formulations. It is available in high purity for laboratory and industrial applications. CAS: 73-40-5, Molecular Formula: C5H5N5O, Molecular Weight: 151.13 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Guanine (2-Amino-6-hydroxypurine) 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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25 g — $58.70 per pack
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100 g — $96.70 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 powder |
| Melting Point | ≥ 300°C |
| Purity (HPLC) | ≥ 97.0% |
| Loss on Drying | ≤ 5.0% |
| 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 | 360 °c (decomp) |
Source: PubChem CID 135398634 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 52634391 |
| CAS Number | 73-40-5 |
| IUPAC Name | 2-amino-1,7-dihydropurin-6-one |
| EC Number | 200-799-8 |
| Molecular Formula | C5H5N5O |
| Molecular Weight | 151.13 |
| Exact Mass | 151.0494 |
| SMILES | C1=NC2=C(N1)C(=O)NC(=N2)N |
| InChIKey | UYTPUPDQBNUYGX-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11) |
| PubChem CID | 135398634 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| 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
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- 2-Amino-6-hydroxypurine
- 2-Aminohypoxanthine
- Dew Pearl
- Guanin
- guanine
- Guanine enol
- Mearlmaid
- Naturon
- Pearl essence
- Stella Polaris
Frequently asked questions
What is Guanine used for?
Guanine is primarily used in the synthesis of nucleic acids and as a building block in biochemical research. It also finds applications in fluorescent labeling and specialty coatings.
What is the chemical formula and molecular weight of Guanine?
The chemical formula of Guanine is C5H5N5O, and its molecular weight is 151.13 g/mol.
How should Guanine be stored?
Guanine should be stored at ambient temperature, protected from moisture and light.
What grade of Guanine does Molekula supply?
Molekula supplies Guanine in high-purity research grade, suitable for laboratory and analytical use.
Can Molekula supply Guanine in bulk?
Yes, Molekula can supply Guanine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Guanine order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
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.