{
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "id": "woody-ambery-teaching-accord",
 "type": "Accord",
 "version": 2,
 "updated": "2026-09-30",
 "station": 8,
 "confidence": "B",
 "sources": [
  "ISO-2",
  "GC-7"
 ],
 "name": {
  "value": "A woody-ambery",
  "evidence": "house interpretation",
  "source": null,
  "where": null,
  "confidence": "C",
  "note": "the house’s name for this teaching accord"
 },
 "purpose": "teaching",
 "disclaimer": "A teaching accord for learning: not a Radler formula, not a finished perfume, not safety-assessed; do not make it for skin.",
 "structure": {
  "value": "A woody-ambery: Iso E Super’s dry, ambergris-like woods over sandalwood’s cream and vetiver’s smoke.",
  "evidence": "perfumery convention",
  "source": null,
  "where": null,
  "confidence": "B",
  "note": "the trade’s convention; Iso E Super’s descriptors are documented on its record (ISO-2)"
 },
 "family": {
  "value": "wood",
  "evidence": "perfumery convention",
  "source": "ISO-2",
  "where": "docs/sources/ISO-2-stepanyuk-kirschning-2019.md:61",
  "quote": "Classification of 1. top notes: a) citrus, b) aldehydic, c) fruity, d) green and e) herbaceous/herbal, 2. heart notes: a) floral light, b) floral green, c) floral fresh, d), floral fruity, e) floral heavy and f) floral woody and 3. bottom notes: a) aromatic, b) balsamic, c) moss/leather/animalic, d) musk, e) amber and f) wood.",
  "confidence": "B",
  "note": "the family name as the review’s classification spells it"
 },
 "components": [
  {
   "molecule": "iso-e-super",
   "role": {
    "value": "heart",
    "evidence": "perfumery convention",
    "source": null,
    "where": null,
    "confidence": "B",
    "note": "the trade’s top / heart / base convention for this material"
   },
   "teaching_parts": {
    "value": 55,
    "unit": "parts",
    "evidence": "modeled",
    "confidence": "C",
    "note": "teaching proportions, a house interpretation for learning: modeled, not measured, not a formula, not for making"
   },
   "volatility": {
    "value": null,
    "evidence": null,
    "source": null,
    "where": null,
    "confidence": null,
    "note": "no volatility class on record for iso-e-super"
   },
   "identity": {
    "value": "a woody, ambergris-like synthetic",
    "evidence": "documented",
    "source": "ISO-2",
    "where": "docs/sources/ISO-2-stepanyuk-kirschning-2019.md:13",
    "quote": "Iso E Super® (33) | 59056-94-9 | woody, floral, ambergris, violet, old-wood, lemony (500 ng L−1)",
    "confidence": "A"
   }
  },
  {
   "material": "sandalwood-oil",
   "role": {
    "value": "base",
    "evidence": "perfumery convention",
    "source": null,
    "where": null,
    "confidence": "B",
    "note": "the trade’s top / heart / base convention for this material"
   },
   "teaching_parts": {
    "value": 25,
    "unit": "parts",
    "evidence": "modeled",
    "confidence": "C",
    "note": "teaching proportions, a house interpretation for learning: modeled, not measured, not a formula, not for making"
   },
   "volatility": {
    "value": null,
    "evidence": null,
    "source": null,
    "where": null,
    "confidence": null,
    "note": "no volatility class on record for sandalwood-oil"
   },
   "identity": {
    "value": "the creamy wood",
    "evidence": "perfumery convention",
    "source": null,
    "where": null,
    "confidence": "B",
    "note": "the trade’s convention"
   }
  },
  {
   "material": "vetiver-oil",
   "role": {
    "value": "base",
    "evidence": "perfumery convention",
    "source": null,
    "where": null,
    "confidence": "B",
    "note": "the trade’s top / heart / base convention for this material"
   },
   "teaching_parts": {
    "value": 20,
    "unit": "parts",
    "evidence": "modeled",
    "confidence": "C",
    "note": "teaching proportions, a house interpretation for learning: modeled, not measured, not a formula, not for making"
   },
   "volatility": {
    "value": null,
    "evidence": null,
    "source": null,
    "where": null,
    "confidence": null,
    "note": "no volatility class on record for vetiver-oil"
   },
   "identity": {
    "value": "the smoky, rooty wood",
    "evidence": "perfumery convention",
    "source": null,
    "where": null,
    "confidence": "B",
    "note": "the trade’s convention"
   }
  }
 ],
 "substitutions": [
  {
   "for": "sandalwood-oil",
   "molecule": "alpha-santalol",
   "value": "α-Santalol in place of sandalwood oil: with β-santalol, the main contributor to its scent.",
   "evidence": "inferred",
   "source": "GC-7",
   "where": "docs/sources/GC-7-diaz-chavez-2013-sandalwood-oil.md:25",
   "quote": "The α- and β-santalols are the most important contributors to sandalwood oil fragrance [3]–[5].",
   "confidence": "B",
   "note": "inferred from the study; one molecule is not the oil"
  }
 ],
 "history": [
  "iso-e-super-1972",
  "ionone-1893"
 ],
 "fragrances": [],
 "regulations": [
  "eu-2023-1545"
 ],
 "descriptors": [
  "woody",
  "floral",
  "ambergris",
  "violet",
  "lemony",
  "creamy",
  "milky",
  "sweet",
  "smoky",
  "rooty"
 ],
 "media": [],
 "links": {
  "essay": "/science#accord-building",
  "tool": "/atelier#accord-architect"
 },
 "copy": {
  "lede": "A woody-ambery: Iso E Super over sandalwood and vetiver.",
  "body": [
   "Iso E Super is the lesson: one synthetic material carrying a whole dry, woody-ambery impression, descended from the ionones. The natural woods under it give it a body."
  ]
 },
 "teaching_variants": [
  {
   "id": "v1",
   "label": "The woody-ambery as written",
   "kind": "teaching variant, modeled",
   "basis": "the record as written",
   "as_written": true,
   "why": {
    "value": "The woody-ambery as the record writes it: Iso E Super over sandalwood oil and vetiver oil.",
    "evidence": "perfumery convention",
    "source": null,
    "where": null,
    "confidence": "B",
    "note": "the accord record’s structure field (perfumery convention)"
   },
   "regulations": [],
   "history": [],
   "fragrances": []
  },
  {
   "id": "v2",
   "label": "α-Santalol for sandalwood oil",
   "kind": "teaching variant, modeled",
   "basis": "substitution on record",
   "why": {
    "value": "The record’s own substitution: α-santalol in place of sandalwood oil; with β-santalol, the main contributor to its scent. One molecule is not the oil.",
    "evidence": "inferred",
    "source": "GC-7",
    "where": "docs/sources/GC-7-diaz-chavez-2013-sandalwood-oil.md:25",
    "quote": "The α- and β-santalols are the most important contributors to sandalwood oil fragrance [3]–[5].",
    "confidence": "B",
    "note": "inferred from the study; α-santalol takes the place, and so the base role, of the oil"
   },
   "regulations": [],
   "history": [],
   "fragrances": [],
   "components": [
    {
     "molecule": "iso-e-super",
     "teaching_parts": {
      "value": 55,
      "unit": "parts",
      "evidence": "modeled",
      "confidence": "C",
      "note": "teaching proportions of a teaching variant, a house interpretation for learning: modeled, not measured, not a formula, not for making"
     }
    },
    {
     "molecule": "alpha-santalol",
     "teaching_parts": {
      "value": 25,
      "unit": "parts",
      "evidence": "modeled",
      "confidence": "C",
      "note": "teaching proportions of a teaching variant, a house interpretation for learning: modeled, not measured, not a formula, not for making"
     },
     "role": {
      "value": "base",
      "evidence": "inferred",
      "source": null,
      "where": null,
      "confidence": "C",
      "note": "takes the place, and so the role, of sandalwood oil (the substitution)"
     }
    },
    {
     "material": "vetiver-oil",
     "teaching_parts": {
      "value": 20,
      "unit": "parts",
      "evidence": "modeled",
      "confidence": "C",
      "note": "teaching proportions of a teaching variant, a house interpretation for learning: modeled, not measured, not a formula, not for making"
     }
    }
   ]
  },
  {
   "id": "v3",
   "label": "More Iso E Super",
   "kind": "teaching variant, modeled",
   "basis": "house teaching example",
   "why": {
    "value": "A house teaching example: the synthetic carrying more of the accord and the natural woods less, to show their words thinning. The Iso E Super event on record is linked for context.",
    "evidence": "house interpretation",
    "source": null,
    "where": null,
    "confidence": "C",
    "note": "a house teaching example: no filed source documents this version, and it is not a reconstruction of any perfume"
   },
   "regulations": [],
   "history": [
    "iso-e-super-1972"
   ],
   "fragrances": [],
   "components": [
    {
     "molecule": "iso-e-super",
     "teaching_parts": {
      "value": 75,
      "unit": "parts",
      "evidence": "modeled",
      "confidence": "C",
      "note": "teaching proportions of a teaching variant, a house interpretation for learning: modeled, not measured, not a formula, not for making"
     }
    },
    {
     "material": "sandalwood-oil",
     "teaching_parts": {
      "value": 15,
      "unit": "parts",
      "evidence": "modeled",
      "confidence": "C",
      "note": "teaching proportions of a teaching variant, a house interpretation for learning: modeled, not measured, not a formula, not for making"
     }
    },
    {
     "material": "vetiver-oil",
     "teaching_parts": {
      "value": 10,
      "unit": "parts",
      "evidence": "modeled",
      "confidence": "C",
      "note": "teaching proportions of a teaching variant, a house interpretation for learning: modeled, not measured, not a formula, not for making"
     }
    }
   ]
  }
 ]
}