4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine
4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine (CAS 23771-52-0) is a heterocyclic organic compound with the molecular formula C5H5N5S and a molecular weight of 167.19 g/mol. This pyrimidine derivative serves as a valuable building block in chemical synthesis, particularly for the creation of complex organic molecules. Its structure lends itself to applications in medicinal chemistry and materials science.
- IUPAC
- 4-Aminopyrazolo[3,4-d]pyrimidine-6-thiol
- Synonyms
- 4-Aminopyrazolo[3,4-d]pyrimidine-6-thiol
![4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine (C5H5N5S) — chemical structure, CAS 23771-52-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F23771-52-0.png&w=3840&q=75)
Organic Synthesis
Utilised as a key intermediate in the synthesis of novel organic compounds. Its reactive functional groups allow for diverse chemical transformations.
Medicinal Chemistry Research
Serves as a scaffold for the development of potential pharmaceutical agents. Derivatives may exhibit interesting biological activities.
Heterocyclic Chemistry
A useful reagent for constructing complex heterocyclic systems due to its pyrazolo[3,4-d]pyrimidine core.
| Molecular weight | 167.19 |
|---|---|
| Empirical formula | C5H5N5S |
| Assay | 95% |
| Melting point | >300 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine used for?
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This compound is primarily used as a building block in organic synthesis and in medicinal chemistry research for the development of new molecules.
What is the CAS number and formula for 4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine?
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The CAS number is 23771-52-0 and the empirical formula is C5H5N5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 95%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should I safely handle 4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine?
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This compound is a Warning substance with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Ensure good ventilation. Avoid breathing dust.
Is this chemical a controlled substance?
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The provided data does not indicate that 4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine is a controlled or scheduled substance.
How is this product packed and shipped?
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This chemical is carefully packed for export to ensure its integrity during transit. Please contact us for specific shipping and export details.
How can I request a quote or sample?
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To request a quote or a sample, please contact the Tech Serve Solutions sales team through our website or direct contact details.
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