Guanine hydrochloride, 99%

About Guanine hydrochloride, 99%

Guanine hydrochloride is an imidazole derivative (Biochemistry grade) carrying the CAS registry number 635-39-2 at a purity of 99%. The compound has the formula C5H6ClN5O, corresponding to a molecular weight of 187.59 g/mol. Systematically, it is named 2-amino-1,7-dihydropurin-6-one. Hydrochloride. Alternative names: 2-Amino-6-hydroxypurine hydrochloride and Guanine, monohydrochloride.

The product is provided as a solid. Literature values give a melting point of ≥300 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Guanine hydrochloride in 5 g, 25 g, 1 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Guanine hydrochloride, 99%
Catalogue No.	VQ-012197
CAS Number	635-39-2
IUPAC name	2-amino-1,7-dihydropurin-6-one;hydrochloride
Molecular formula	C₅H₆ClN₅O
Molecular weight	187.59 g/mol
Exact mass	187.0261
Grade	Biochemistry
Purity / assay	99%
HSN code	29335990
InChIKey	IBAOFQIOOBQLHE-UHFFFAOYSA-N
SMILES	C1=NC2=C(N1)C(=O)NC(=N2)N.Cl
PubChem CID	135436483

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	≥300 °C
H-bond donors / acceptors	4 / 3
TPSA	96.2 Å²
Synonyms	2-Amino-6-hydroxypurine hydrochloride, Guanine, monohydrochloride, Guanine, hydrochloride, USAF S-1, 6H-Purin-6-one, 2-amino-1,9-dihydro-, hydrochloride (1:1), 2-Amino-1H-purin-6(7H)-one hydrochloride, Guanine HCl, 6H-Purin-6-one, 2-amino-1,7-dihydro-, monohydrochloride, Guanine hydrochloride monohydrate, 2-amino-1H-purin-6(9H)-one hydrochloride, Salzsaure Guanin

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Guanine hydrochloride, 99%?

The CAS Registry Number of Guanine hydrochloride, 99% is 635-39-2. It is also known as 2-Amino-6-hydroxypurine hydrochloride, Guanine, monohydrochloride, Guanine, hydrochloride.

What is the molecular formula and molecular weight of Guanine hydrochloride, 99%?

Guanine hydrochloride, 99% has the molecular formula C5H6ClN5O and a molecular weight of 187.59 g/mol.

Which grade and pack sizes of Guanine hydrochloride, 99% can I order?

We supply Guanine hydrochloride, 99% in Biochemistry (99%) grade, in 5 g, 25 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Guanine hydrochloride, 99%?

Yes. Every lot of Guanine hydrochloride, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Guanine hydrochloride, 99% be shipped internationally?

Yes. Guanine hydrochloride, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.