5H-Cyclopenta[H]quinazoline, 6,7,8,9-tetrahydro-7,7,8,9,9-pentamethyl- (CAS 1315251-11-6) — Woody Middle to base Note Fragrance Ingredient
5H-Cyclopenta[H]quinazoline, 6,7,8,9-tetrahydro-7,7,8,9,9-pentamethyl-
CAS 1315251-11-6
What Is 5H-Cyclopenta[H]quinazoline, 6,7,8,9-tetrahydro-7,7,8,9,9-pentamethyl-?
This synthetic fragrance ingredient is a specialized aromatic compound used in modern perfumery. Consumers may encounter it in niche or avant-garde fragrances seeking unique olfactory effects. As a synthetic molecule, it allows perfumers to create novel scent profiles not found in nature, contributing to innovative fragrance compositions that push creative boundaries.
Safety Profile
USE WITH AWARENESSWhat Does 5H-Cyclopenta[H]quinazoline, 6,7,8,9-tetrahydro-7,7,8,9,9-pentamethyl- Smell Like?
This synthetic molecule offers a complex aromatic profile with intriguing facets. The scent evolves from an initial sharp, almost metallic top note to reveal a warm, woody-amber heart with subtle powdery undertones. In drydown, it leaves a persistent musky-balsamic trail with faint leathery nuances. The overall effect is modern and abstract, combining elements of clean musk with sophisticated woody-amber character.
Chemistry, Properties & Perfumer Guide
The Chemistry
5H-Cyclopenta[H]quinazoline derivatives belong to the nitrogen-containing heterocyclic compounds class. The pentamethyl substitution pattern on the cyclopentaquinazoline core creates a sterically hindered structure that influences both volatility and odor characteristics. While specific synthesis routes are proprietary, such compounds are typically prepared through cyclization reactions of appropriately substituted precursors under controlled conditions.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Modern woody-amber modifier |
| Functional Fragrance | 0.1-0.5% | Up to 1% | Long-lasting base note |
Classic Accords
Tip: Use as a sophisticated woody-amber bridge between middle and base notes.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No specific IFRA restrictions currently listed.
RIFM Assessment
Not currently evaluated by RIFM.
Sustainability
As a synthetic material, this compound avoids natural resource depletion concerns. However, its environmental impact depends on manufacturing processes and energy inputs. The specialized nature of its production suggests moderate carbon footprint compared to commodity fragrance chemicals.
Explore 5H-Cyclopenta[H]quinazoline, 6,7,8,9-tetrahydro-7,7,8,9,9-pentamethyl-
Browse essential oils and aroma compounds.
Browse on iHerb →Affiliate disclosure: we may earn a small commission at no extra cost to you.
