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ChemicalBook >> CAS DataBase List >> 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate

3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate

3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate price.
  • $195 - $38291
  • Product name: 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate
  • CAS: 121-20-0
  • MF: C21H28O5
  • MW: 360.44
  • EINECS:204-454-2
  • MDL Number:
  • Synonyms:3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate ;Cyclopropanecarboxylic acid, 3-(1E)-3-methoxy-2-methyl-3-oxo-1-propenyl-2,2-dimethyl-, (1S)-3-(2Z)-2-butenyl-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)-;cinerin II 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl 2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate;(1R,3R)-3-[(E)-3-Methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-[(Z)-2-butenyl]-2-methyl-4-oxo-2-cyclopenten-1-yl;(1R,3R)-3-[(1E)-3-Methoxy-2-Methyl-3-oxo-1-propen-1-yl]-2,2-diMethylcyclopropanecarboxylic Acid (1S)-3-(2Z)-2-Buten-1-yl-2-Methyl-4-oxo-2-cyclopenten-1-yl Ester;Cinerin Ⅱ;Cyclopropanecarboxylic acid, 3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethyl-, (1S)-3-(2Z)-2-buten-1-yl-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)-
Price5 Properties Safety Information Description
5 prices
Selected condition：
Brand
  • Biosynth
  • TRC
Package
  • 1mg
  • 10mg
  • 25mg
  • ManufacturerBiosynth
  • Product numberFC20444
  • Product descriptionCinerin II
  • Packaging25mg
  • Price$38291
  • Updated2026-06-04
  • Buy
  • ManufacturerTRC
  • Product numberTRC-C441985-1MG
  • Product descriptionCinerin II
  • Packaging1mg
  • Price$195
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-C441985-10MG
  • Product descriptionCinerin II
  • Packaging10mg
  • Price$1600
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberC441985
  • Product descriptionCinerinII
  • Packaging10mg
  • Price$10725
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberC441985
  • Product descriptionCinerinII
  • Packaging25mg
  • Price$14025
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Biosynth FC20444 Cinerin II 25mg $38291 2026-06-04 Buy
TRC TRC-C441985-1MG Cinerin II 1mg $195 2026-06-03 Buy
TRC TRC-C441985-10MG Cinerin II 10mg $1600 2026-06-03 Buy
TRC C441985 CinerinII 10mg $10725 2021-12-16 Buy
TRC C441985 CinerinII 25mg $14025 2021-12-16 Buy

Properties

alpha :D16 +16° (isooctane)
Boiling point :bp0.001 182-184°
Density :1.123±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
refractive index :nD20 1.5183
Henry's Law Constant :1.1×104 mol/(m3Pa) at 25℃, HSDB (2015)
EPA Substance Registry System :Cinerin II (121-20-0)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)Environment (GHS09)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P330 Rinse mouth.
P391 Collect spillage. Hazardous to the aquatic environment
P501 Dispose of contents/container to..…

Description

An active insecticidal constituent of pyrethrum flowers. Oxidizes rapidly and becomes inactive in presence of air.

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J & K SCIENTIFIC LTD. Chemsky (shanghai) International Co.,Ltd Shanghai TaoSu Biochemical Technology Co., Ltd. Alta Scientific Co., Ltd. Shenzhen Regent Biochemical Technology Co., Ltd. Shenzhen Polymeri Biochemical Technology Co., Ltd. Shanghai Jiegu Biotechnology Co., Ltd. Energy Chemical Shaanxi Dideu Medichem Co. Ltd Shanghai Beiwanta Biotechnology Co., Ltd.