Ceramide 3

CAS Number
34354-88-6
EC Number
812-962-6

What is Ceramide 3?

Ceramide 3 (CAS 34354-88-6), also marketed under the trade name Cellapy A Repair, is a synthetic sphingolipid that mirrors the ceramides naturally present in the skin's stratum corneum.

Where is Ceramide 3 used?

  • Topical formulations: barrier-reinforcing and moisture-retention agent that restores lipid structure in compromised or aging skin
  • Premium skincare: incorporated into moisturizers and serums that replenish depleted intercellular lipids and reduce transepidermal water loss
  • Dermocosmetic formulations for eczema-prone, sensitive, or post-procedure skin
  • Formulators combine it with cholesterol and fatty acids to replicate the natural lamellar bilayer
  • Hair care: conditioning treatments and leave-on products that smooth the cuticle and improve fiber integrity
  • Pharmaceutical topical preparations incorporate it where skin barrier restoration is a documented clinical endpoint.

Commercial specifications

  • Purity levels typically at 95% or higher
  • Packaging from small quantities for R&D sampling to kilogram-scale lots

Other Names (Synonyms)

Cellapy A Repair|Octadecanamide, N-((1S,2S,3R)-2,3-dihydroxy-1-(hydroxymethyl)heptadecyl)-|Cellapy A Repair Cream|RefChem:54752|JNH Ato-Care Super Barried ATO-Serum|galactosyl-alpha(1-4)-galactosyl-beta(1-4)-glucosyl-beta(1-1)-ceramide|Octadecanamide, N-[2,3-dihydroxy-1-(hydroxymethyl)heptadecyl]-, D-ribo-|N-[(1S,2S,3R)-2,3-Dihydroxy-1-(hydroxymethyl)heptadecyl]octadecanamide

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What are the physical properties of Ceramide 3?

Melting Point 122-124°C
Boiling Point 718°C at 10hPa
Density 0.994-1.014 at 20℃
Color White to Off-White
Form Solid
Vapor Pressure 0Pa at 25℃
Log P 12.01 at 25℃ and pH7
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