C5H5N5O
151.13 g/mol
Research ReagentWarning
Guanine
CAS73-40-5EC200-799-8
Category
Research Reagent
Compound Class
Natural Product
Primary Use
Research Compound
Guanine is one of the four main nucleotide bases found in the nucleic acids DNA and RNA. In DNA, it pairs specifically with cytosine.
Nucleic acid base research reagentBuilding block for DNA and RNA studies
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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CAS73096-42-1
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Guanine (CAS 73-40-5) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-amino-1,7-dihydropurin-6-one
InChIKey
UYTPUPDQBNUYGX-UHFFFAOYSA-N
SMILES
C1=NC2=C(N1)C(=O)NC(=N2)N
Synonyms (60)
- GUA
- GUN
- Ganciclovir EP Impurity F
- Ganciclovir EP Impurity F; Valaciclovir EP Impurity A; Aciclovir EP Impurity B
- Guanine, United States Pharmacopeia (USP)
- 2-AMINO-3H-PURIN-6(7H)-ONE
- 2-Amino-6-hydroxy-1H-purine
- 2-Amino-6-hydroxypurine
- 2-Amino-6-purinol
- 2-Aminohypoxanthine
- 2-amino-1H-purin-6(7H)-one
- 2-amino-1h-purin-6(9h)-one
- 2-amino-6-hydroxypurin
- 2-amino-6-oxypurin
- 2-amino-9H-purin-6-ol
- 2-aminohydropurin-6-one
- 6-Hydroxy-2-aminopurine
- 9h-guanine
- ACICLOVIR IMPURITY B
- C.i. no. 75170 (guanine)
- CI Natural white 1
- Dew Pearl
- GANCICLOVIR IMPURITY F
- Guanie
- Guanin
- Guanine (8CI)
- Guanine (Standard)
- Guanine enol
- Guanine, BioUltra
- Hypoxanthine, 2-amino-
- Mearlmaid
- Mearlmaid AA
- Natural pearl essence
- Natural white 1
- Naturon
- Pearl essence
- Stella Polaris
- guanine
- purine, 2-amino-6-hydroxy-
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