8-Mercaptoguanosine
8-Mercaptoguanosine (CAS 26001-38-7), with the molecular formula C10H13N5O5S and a molecular weight of 315.31 g/mol, is a guanosine analog. This biochemical compound is primarily utilised in research settings, particularly within studies focusing on nucleoside metabolism, nucleic acid chemistry, and related biochemical pathways. Its unique sulfur modification at the 8-position differentiates it from natural guanosine, offering distinct properties for scientific investigation.
- IUPAC
- 8-Thioguanosine

Biochemical Research
8-Mercaptoguanosine serves as a valuable tool in biochemical research. It is employed to study enzyme mechanisms, nucleic acid structure, and the effects of modified nucleosides on biological systems.
Nucleoside Analog Studies
As a nucleoside analog, it is used to investigate the biological activity and incorporation into nucleic acids, contributing to the understanding of nucleoside metabolism and drug discovery.
Oligonucleotide Synthesis
This compound can be incorporated into synthetic oligonucleotides to confer specific chemical or biological properties, useful in developing novel nucleic acid-based tools or therapeutics.
| Molecular weight | 315.31 |
|---|---|
| Empirical formula | C10H13N5O5S |
| Storage temperature | 2-8°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 8-Mercaptoguanosine used for?
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8-Mercaptoguanosine is used in biochemical research, particularly for studying enzyme mechanisms, nucleic acid structure, nucleoside metabolism, and as a component in synthetic oligonucleotides.
What are the CAS number and formula for 8-Mercaptoguanosine?
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The CAS number for 8-Mercaptoguanosine is 26001-38-7, and its empirical formula is C10H13N5O5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 8-Mercaptoguanosine typically for research purposes. The exact grade and purity are available upon request or on the Certificate of Analysis; we do not represent it as USP, BP, or EP grade.
How should 8-Mercaptoguanosine be handled and stored?
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Handle 8-Mercaptoguanosine with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Store at 2-8°C to maintain its integrity.
What are the relevant safety classifications for 8-Mercaptoguanosine?
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8-Mercaptoguanosine has an EC number of 247-402-4 and a WGK Germany classification of 3, indicating a higher level of hazard.
How is 8-Mercaptoguanosine packed and shipped?
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8-Mercaptoguanosine is carefully packed according to industry standards for chemical transport and exported globally by Tech Serve Solutions.
How can I request a sample or quote for 8-Mercaptoguanosine?
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To request a sample or a quote for 8-Mercaptoguanosine, please contact our sales department through the website or by phone, providing your specific requirements.
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