AntibioticMech

12-demethylmulticaulin

CHEBI:66408 ·resolve ·ANTIMYCOBACTERIAL ·EXACT SEEDED

A diterpenoid that is multicaulin in which the methoxy group at position 12 is replaced by a hydroxy group. A norabietane derivative, it is isolated from the roots of Salvia multicaulis and exhibits antitubercular activity. — ChEBI

Classification

Strictly broader compounds or drug classes this molecule belongs to.

• CHEBI:23849 CHEBI:23849
• CHEBI:25961 CHEBI:25961
• CHEBI:33853 CHEBI:33853

Chemical structure

Computed structure properties

Molecular formula	C19H20O
Charge	0
Average mass	264.368 Da
Monoisotopic mass	264.15142 Da
Source	ChEBI
InChIKey	ZMSKUQUFEKLXGK-UHFFFAOYSA-N

SMILES

Cc1ccc2c(ccc3cc(C(C)C)c(O)cc32)c1C

InChI

InChI=1S/C19H20O/c1-11(2)17-9-14-6-8-15-13(4)12(3)5-7-16(15)18(14)10-19(17)20/h5-11,20H,1-4H3

Also called

• 7,8-dimethyl-2-propan-2-ylphenanthren-3-ol (EXACT_SYNONYM)— chebi
• 12-hydroxy-abieta-1,3,5(10),6,8,11,13-heptaene (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

• reaxys:7873031

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

• CHEBI:33231 CHEBI:33231

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record

Source	Native ID	Label	Minted CURIE	Version
CHEBI	CHEBI:66408	12-demethylmulticaulin	antibioticmech:chebi-482d365da7	2026-08-30

Curation history

1. SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Seeded from data/raw/ inventories (CHEBI)

2. RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Re-seeded from updated data/raw/ inventories

3. RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.