In short
Cedramber (methyl cedryl ether) is a cedarwood derivative with a dry, woody-amber character.
What Cedramber smells like
Cedramber (IFF; methyl cedryl ether) is a dry, very diffusive note of true ambergris with rich woody cedarwood, dry aspects, in IFF's compendium. Retailers describe a dry, ambergris-like scent with cedar, patchouli and vetiver nuances. De Hekserij notes it is not very strong and is used in woody, leather and amber accords.
- Leading note
- Dry ambergris-cedar
- Clear facets
- Cedarwood
- Faint facets
- Patchouli, vetiver
- Character
- Dry, diffusive, soft
What makes Cedramber distinctive
Cedarwood turned towards ambergris — a dry, diffusive amber with a cedar heart.
How Cedramber is used
Used in woody, leather and amber accords and as a woody-amber modifier.
Typical role: fixative (slow to evaporate; helps a blend last and holds lighter notes); blender (smooths the joins between other materials).
How Cedramber differs from similar materials
- Amber Core
- A reseller finds Amber Core similar to Cedramber in strength, softer and more delicate; Cedramber is drier, with cedar. (compared directly by a cited source)
- Vertofix
- Vertofix is a dry cedar with musk and leather; Cedramber leans more towards ambergris.
- Boisambrene Forte
- Boisambrene Forte is warmer and sweeter, with a flowery effect; Cedramber is the drier ambergris-cedar.
- Iso E Super
- Iso E Super is softer, more velvety and transparent; Cedramber is a drier ambergris-cedar.
An asterisk marks a difference that a cited source states directly. The others compare the published descriptions of each material. Smell varies with grade, supplier and dilution; compare them side by side on blotters before substituting one for another.
Formulation considerations
Stable in most bases.
Identity and classification
- Type
- Aroma chemical
- Origin
- Semi-synthetic
- Odour family
- Woody / Amber
- Note position
- Base note
- Physical form at room temperature
- Liquid
- Also known as
- Methyl cedryl ether
- CAS number
- 19870-74-7
- Molecular formula
- C16H28O
- Molecular weight
- 236.39 g/mol
- IUPAC name
- (1S,2R,5S,7R,8S)-8-methoxy-2,6,6,8-tetramethyltricyclo[5.3.1.01,5]undecane
The CAS number, formula and molecular weight are taken from PubChem compound 88288, whose own record lists this CAS number; checked 19 October 2026.
Safety and compliance
Hazard classification of the neat substance, as PubChem summarises it, read 26 October 2026. Companies notifying the ECHA C&L Inventory report it as not meeting the GHS hazard criteria (1,712 of 1,760 reports). Unless it is harmonised, this is the notifiers' own classification, not a binding one.
This page is general information, not a safety assessment or a specification. Confirm identity, composition, IFRA status and allergen content from your supplier's documents for the lot you hold.
Materials it works with
-
Iso E Super
Aroma chemical · Woody / Amber — woody, velvety, amber, cedar
-
Ambroxan
Aroma chemical · Amber / Woody — amber, ambergris, woody, mineral
-
Cedarwood Oil (Virginia)
Essential oil · Woody / Aromatic — woody, dry, pencil shavings, clean
Cedramber is also suggested as a partner on the pages for Amber Core, Amber Xtreme, Ambrocenide, Boisambrene Forte, Karanal and Spirambrene.
Used in formulas and accords
Used in 40 published formulas
Cedramber is an ingredient in 36 perfume formulas and 4 accords in the Formula & Accord Library.
Community formulas
RUŌOD House Originals
Original compositions by RUŌOD House.
Further reading
Questions about Cedramber
Is Cedramber natural or synthetic?
Cedramber is semi-synthetic: it is made by chemically modifying a natural raw material.
What is the CAS number of Cedramber?
19870-74-7. It was checked against PubChem on 19 October 2026.
Which published formulas use Cedramber?
Cedramber is used in 40 published formulas in the RUŌOD Lab Formula & Accord Library, including Apple Cellar, Bitter Bridle and Bitter Ferry. Each is listed with a link under "Used in formulas and accords" on this page.
Sources
- PubChem — compound 88288, checked 19 October 2026.
- PubChem — GHS classification (the ECHA C&L Inventory notifications and any harmonised EU entry), read 26 October 2026.
- IFF — Cedramber — manufacturer's description.
- Wikipedia — Cedramber — published perfumery reference.
- De Hekserij — Cedramber (IFF) — distributor's description.
- Olfactory profile: the RUŌOD Lab team's synthesis of the published descriptions above, reviewed 21 October 2026. Evidence: more than one published description. Classification and the short description: revision 1. Descriptions of odour are judgement, not measurement.