2-Amino-6-Purinethiol (6-Thioguanine) [154-42-7] carries a recognized safety classification for professional environments as it is identified as a bioactive small molecule. Its molecular formula is C5H5N5S, with a molecular weight of 167.19. This compound has a Melting Point greater than 360.0 °C. Due to its toxic nature when ingested, it bears the hazard signal word "Danger".

• CAS Number: 154-42-7
• Molecular Weight: 167.19
• Exact Mass: 167.02656635
• Melting Point: greater than 360.0 °C
• Molecular Formula: C5H5N5S
• GHS Signal Word: Danger
• Hazard Statements:
• H301: Toxic if swallowed [Danger Acute toxicity, oral]