Molekula
Guanine hydrochloride
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 hydrochloride is a purine nucleobase salt used in biochemical research, nucleic acid studies, and pharmaceutical development. It appears as a white to off-white crystalline powder. CAS: 635-39-2, Molecular Formula: C5H5N5O · HCl, Molecular Weight: 187.59 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Guanine hydrochloride 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.
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25 g — $147.70 per pack
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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 light yellow powder |
| Assay | ≥ 98.0% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 11311745 |
| CAS Number | 635-39-2 |
| IUPAC Name | 2-amino-1,7-dihydropurin-6-one;hydrochloride |
| EC Number | 211-235-5 |
| Molecular Formula | C5H5N5O · HCl |
| Molecular Weight | 187.59 |
| Exact Mass | 187.0261 |
| SMILES | C1=NC2=C(N1)C(=O)NC(=N2)N.Cl |
| InChIKey | IBAOFQIOOBQLHE-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H5N5O.ClH/c6-5-9-3-2(4(11)10-5)7-1-8-3;/h1H,(H4,6,7,8,9,10,11);1H |
| PubChem CID | 135436483 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.59.10.00 |
| 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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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
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-1H-purin-6(7H)-one hydrochloride
- 2-amino-1H-purin-6(9H)-one hydrochloride
- 2-amino-3,7-dihydropurin-6-one;hydrochloride
- 6H-Purin-6-one, 2-amino-1,7-dihydro-, monohydrochloride
- 6H-Purin-6-one, 2-amino-1,9-dihydro-, hydrochloride (1:1)
- Guanine HCl
- Guanine hydrochloride monohydrate
- Guanine, monohydrochloride
- Salzsaure Guanin
- USAF S-1
Frequently asked questions
What is guanine hydrochloride used for?
Guanine hydrochloride is primarily used in biochemical research and as a building block in nucleic acid synthesis.
What is the chemical formula and molecular weight of guanine hydrochloride?
The formula is C5H5N5O · HCl with a molecular weight of 187.59 g/mol.
How should guanine hydrochloride be stored?
Store at 2 to 8 °C in a cool, dry place, protected from light and moisture.
What grade of guanine hydrochloride does Molekula supply?
Molekula supplies guanine hydrochloride in high-purity research grade.
Can Molekula supply guanine hydrochloride in bulk?
Yes, Molekula can supply guanine hydrochloride in bulk quantities—please contact us for pricing and availability.
What documentation comes with a guanine hydrochloride 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.