(4aR,5R,7aS,10S,11aR)-Octahydro-4a-methyl-9-methylene-5-(1-methylethenyl)-2H-7a,10-ethanonaphtho[8a,1-b]pyran-2,8(9H)-dione

CAS Registry Number®

1252665-39-6

CAS Name

(4aR,5R,7aS,10S,11aR)-Octahydro-4a-methyl-9-methylene-5-(1-methylethenyl)-2H-7a,10-ethanonaphtho[8a,1-b]pyran-2,8(9H)-dione

Molecular Formula

C20H26O3

Molecular Mass

314.42

Cite this Page

(4aR,5R,7aS,10S,11aR)-Octahydro-4a-methyl-9-methylene-5-(1-methylethenyl)-2H-7a,10-ethanonaphtho[8a,1-b]pyran-2,8(9H)-dione.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1252665-39-6 (retrieved 2025-01-03) (CAS RN: 1252665-39-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    170-171 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C20H26O3/c1-12(2)15-6-10-19-9-5-14(13(3)17(19)22)11-20(19)18(15,4)8-7-16(21)23-20/h14-15H,1,3,5-11H2,2,4H3/t14-,15+,18+,19+,20+/m0/s1

InChIKey

InChIKey=HXJHRPFDRBBYKZ-MZCHELMPSA-N

SMILES

C[C@]12[C@]3([C@@]4(C(=O)C(=C)[C@](C3)(CC4)[H])CC[C@@H]1C(C)=C)OC(=O)CC2

Canonical SMILES

O=C1OC23CC4C(=C)C(=O)C3(CC4)CCC(C(=C)C)C2(C)CC1

Other Names for this Substance

  • 2H-7a,10-Ethanonaphtho[8a,1-b]pyran-2,8(9H)-dione, octahydro-4a-methyl-9-methylene-5-(1-methylethenyl)-, (4aR,5R,7aS,10S,11aR)-
  • (4aR,5R,7aS,10S,11aR)-Octahydro-4a-methyl-9-methylene-5-(1-methylethenyl)-2H-7a,10-ethanonaphtho[8a,1-b]pyran-2,8(9H)-dione
  • Crotogoudin
  • (+)-Crotogoudin
  • ent-Crotogoudin

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