Pyrethrin I

CAS Registry Number®

121-21-1
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CAS Name

Pyrethrin I

Molecular Formula

C21H28O3

Molecular Mass

328.45

Cite this Page

Pyrethrin I.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=121-21-1 (retrieved 2024-05-02) (CAS RN: 121-21-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    146-150 °C @ Press: 5 x 10-4 Torr

  • Density (1)

    1.5192 g/cm³ @ Temp: 18 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C21H28O3/c1-7-8-9-10-15-14(4)18(12-17(15)22)24-20(23)19-16(11-13(2)3)21(19,5)6/h7-9,11,16,18-19H,1,10,12H2,2-6H3/b9-8-/t16-,18+,19+/m1/s1

InChIKey

InChIKey=ROVGZAWFACYCSP-VUMXUWRFSA-N

SMILES

C(O[C@@H]1C(C)=C(C/C=C\C=C)C(=O)C1)(=O)[C@@H]2[C@@H](C=C(C)C)C2(C)C

Canonical SMILES

O=C(OC1C(=C(C(=O)C1)CC=CC=C)C)C2C(C=C(C)C)C2(C)C

Other Names for this Substance

  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, (1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl ester, (1R,3R)-
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, ester with 4-hydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-one
  • Pyrethrin 1
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 2-methyl-4-oxo-3-(2,4-pentadienyl)-2-cyclopenten-1-yl ester, [1R-[1α[S*(Z)],3β]]-
  • Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadienyl-2-cyclopenten-1-yl ester, (1R,3R)-

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Deleted or Replaced CAS Registry Numbers

3903-69-3, 39668-01-4

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