Guanine, 98%

Name: Guanine, 98%
Brand: Vaqora Chemicals
SKU: VQ-003831

About Guanine, 98%

Guanine (CAS 73-40-5) is a natural product offered by Vaqora Chemicals (Biochemistry grade) with a typical assay of 98%. Formula C5H5N5O, molecular weight 151.13 g/mol. Its systematic (IUPAC) name is 2-amino-1,7-dihydropurin-6-one. Common synonyms include 2-Amino-6-hydroxypurine and 1,9-dihydro-6H-purin-6-one.

The material typically appears as a white to beige to cream powder. Literature values give a melting point of above 300 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span phytochemical research, natural product screening, nutraceutical R and D and protein and peptide research. It is used across academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Guanine in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Phytochemical research
Natural product screening
Nutraceutical R&D
Protein & peptide research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Guanine, 98%
Catalogue No.	VQ-003831
CAS Number	73-40-5
IUPAC name	2-amino-1,7-dihydropurin-6-one
Molecular formula	C₅H₅N₅O
Molecular weight	151.13 g/mol
Exact mass	151.0494
Grade	Biochemistry
Purity / assay	98%
HSN code	29335990
InChIKey	UYTPUPDQBNUYGX-UHFFFAOYSA-N
SMILES	C1=NC2=C(N1)C(=O)NC(=N2)N
PubChem CID	135398634

Physical properties
Physical form	Powder
Appearance	White to beige to cream powder
Melting point	>300 °C
LogP (XLogP3)	-1.1
H-bond donors / acceptors	3 / 3
TPSA	96.2 Å²
Synonyms	2-Amino-6-hydroxypurine, 1,9-dihydro-6H-purin-6-one, 2-aminohypoxanthine, Guanin, Guanine enol, Pearl essence, Stella Polaris, Dew Pearl, Natural white 1, Natural pearl essence, 6H-Purin-6-one, 2-amino-1,7-dihydro-, 2-Amino-1,7-dihydro-6H-purin-6-one

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

Other grades of CAS 73-40-5

Reference Standard

Aciclovir Impurity B

CAS: 73-40-5
Formula: C₅H₅N₅O
MW: 151.13 g/mol

In stock

Frequently asked questions

What is the CAS number of Guanine, 98%?

The CAS Registry Number of Guanine, 98% is 73-40-5. It is also known as 2-Amino-6-hydroxypurine, 1,9-dihydro-6H-purin-6-one, 2-aminohypoxanthine.

What is the molecular formula and molecular weight of Guanine, 98%?

Guanine, 98% has the molecular formula C5H5N5O and a molecular weight of 151.13 g/mol. Its IUPAC name is 2-amino-1,7-dihydropurin-6-one.

Which grade and pack sizes of Guanine, 98% can I order?

We supply Guanine, 98% in Biochemistry (98%) grade, in 5 g, 25 g, 100 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, 98%?

Yes. Every lot of Guanine, 98% 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, 98% be shipped internationally?

Yes. Guanine, 98% 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.