6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride
6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride (CAS 945-43-7) is a heterocyclic compound with the molecular formula C8H13N5O · HCl and a molecular weight of 231.68 g/mol. This chemical serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry and quinazoline derivatives. It is primarily utilised in research and development settings for the synthesis of more complex molecules.
- IUPAC
- 2-Amino-6,7-dimethyl-4-hydroxy-5,6,7,8-tetrahydropteridine,DMPH4
- Synonyms
- 7,8-tetrahydropterine hydrochloride2-Amino-6,7-dimethyl-4-hydroxy-5,6,7,8-tetrahydropteridine,DMPH4

Chemical Synthesis
Utilised as a key intermediate and building block in the synthesis of complex organic molecules. Its heterocyclic structure makes it useful for creating novel chemical entities.
Heterocyclic Chemistry
A valuable reagent for researchers exploring new heterocyclic compounds. It contributes to the development of diverse molecular scaffolds.
Quinazoline Derivatives
Employed in the synthesis of various quinazoline-based structures, which are of interest in medicinal chemistry and materials science.
| Molecular weight | 231.68 |
|---|---|
| Empirical formula | C8H13N5O · HCl |
| Assay | ≥95% |
| Storage temperature | −20°C |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41 |
| Safety statements (S) | 26-36/37/39-39 |
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 6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride used for?
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This compound is primarily used as a building block in chemical synthesis, particularly for creating heterocyclic compounds and quinazoline derivatives in research and development.
What are the CAS number and formula for 6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride?
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The CAS number is 945-43-7 and the empirical formula is C8H13N5O · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride with an assay of ≥95%. We do not represent this product as USP, BP, or EP grade.
How should 6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride be handled?
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Handle with care, as this compound may cause skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Wear appropriate personal protective equipment, including gloves, eye protection, and ensure adequate ventilation.
How is this chemical packed and shipped?
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This product is typically stored at -20°C. Tech Serve Solutions exports fine chemicals globally, ensuring appropriate packaging and documentation for safe transport.
How can I request a quote or sample?
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To request a quote or sample of 6,7-Dimethyl-5,6,7,8-tetrahydropterine hydrochloride, please contact our sales team through our website or by phone.
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