2-Amino-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride
2-Amino-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride (CAS 157327-50-9) is a heterocyclic organic compound with the molecular formula C7H10N4 · 2HCl and a molecular weight of 223.10 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyrimidine derivatives. This compound is widely utilised in research and development settings for the creation of novel molecules.
- Synonyms
- 8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride157327-50-9C7H10N4 · 2HCl
![2-Amino-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride (C7H10N4·2HCl) — chemical structure, CAS 157327-50-9; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F157327-50-9.png&w=3840&q=75)
Pharmaceutical Intermediate Synthesis
This compound acts as a key intermediate in the synthesis of complex pharmaceutical agents. Its structure provides a versatile scaffold for developing new drug candidates.
Agrochemical Development
It can be employed as a building block in the discovery and production of novel agrochemicals, contributing to the development of new crop protection solutions.
Materials Science Research
Used in the exploration of new materials with specific electronic or structural properties, leveraging its heterocyclic nature.
Organic Synthesis Research
A useful reagent for organic chemists exploring novel reaction pathways and creating diverse molecular architectures in research laboratories.
| Molecular weight | 223.10 |
|---|---|
| Empirical formula | C7H10N4 · 2HCl |
| Assay | 98% (HPLC) |
| Melting point | 140-145 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 2-Amino-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine dihydrochloride used for?
+
This compound is primarily used as a building block in chemical synthesis, particularly for the development of pharmaceutical agents, agrochemicals, and in materials science research.
What are the CAS number and molecular formula for this compound?
+
The CAS number is 157327-50-9, and the molecular formula is C7H10N4 · 2HCl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies this chemical with an assay of 98% (HPLC). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations for this chemical?
+
This compound is classified as a Warning with hazards H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid contact with skin, eyes, and clothing. Ensure proper disposal.
How is this chemical typically packed and shipped by TSS?
+
Tech Serve Solutions exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally. Specific packing and shipping details are available upon request and tailored to comply with international regulations.
How can I request a sample or obtain a quote for this chemical?
+
To request a sample or obtain a quote, please contact our sales department via the website or direct email, providing the product name and CAS number (157327-50-9).
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis