🌿 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine (CAS 36267-71-7) | Sulfur-Nitrogen Heterocycle for Fragrance & Aroma Chemistry

Product Overview

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine (CAS 36267-71-7) is a sulfur- and nitrogen-containing heterocyclic compound widely used in fragrance chemistry, aroma ingredient development, and specialty flavor & fragrance intermediates.

Its fused thieno-pyrimidine structure provides unique organoleptic potential and makes it a valuable building block in the design of novel odorants, aroma modifiers, and specialty fragrance molecules.

It is commonly used in R&D of fine fragrance materials and functional aroma compounds.

🌸 Fragrance & Perfumery Applications

• Specialty fragrance intermediate
• Sulfur-containing aroma compound development
• Fine fragrance formulation research
• Woody, earthy, and sulfurous note modification studies
• Long-lasting scent molecule design
• Perfumery ingredient innovation and screening

🍬 Flavor & Aroma Chemical Applications

• Aroma chemical intermediate
• Flavor system modification (trace-level functional use)
• Savory / meaty / roasted note research chemistry
• Food flavor simulation molecule development
• Reaction flavor chemistry building block
• Aroma profile enhancement studies

🧪 Specialty Aroma Chemistry & R&D

• Novel odorant molecule design
• Structure–odor relationship (SOR) research
• Heterocyclic aroma library construction
• Custom aroma compound synthesis
• Sulfur heterocycle functionalization studies
• Fine chemical innovation for scent industry

⚗️ Fine Chemical Intermediate Use

• Heterocyclic synthesis building block
• Specialty sulfur–nitrogen compound development
• Multi-step organic synthesis intermediate
• Laboratory and industrial R&D use
• Custom synthesis projects for aroma industry

📋 Specifications

📦 Packaging & Storage

• Standard packaging: 100g, 500g, 1kg or customized
• Store in a cool, dry, and well-ventilated place
• Keep container tightly sealed
• Protect from moisture and direct sunlight
• Handle according to applicable laboratory and industrial safety procedures