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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 Structure
3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate structure
CAS No.
121-20-0
Chemical Name:
3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate
Synonyms
Cinerin Ⅱ;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;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;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)-;(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;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)-
CBNumber:
CB4903646
Molecular Formula:
C21H28O5
Molecular Weight:
360.44
MDL Number:
MOL File:
121-20-0.mol
Last updated:2024-12-18 14:08:57
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3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate Properties

alpha D16 +16° (isooctane)
Boiling point bp0.001 182-184°
refractive index nD20 1.5183
FDA UNII J204A0Y0JG
EPA Substance Registry System Cinerin II (121-20-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS09
Signal word  Warning
Hazard statements  H302-H410
Precautionary statements  P264-P270-P301+P312-P330-P501-P273-P391-P501
Hazard Codes  Xn,N
Risk Statements  22-50/53
Safety Statements  60-61
RIDADR  2902
HazardClass  6.1(b)
PackingGroup  III
Hazardous Substances Data 121-20-0(Hazardous Substances Data)

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

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC C441985 CinerinII 121-20-0 10mg $10725 2021-12-16 Buy
TRC C441985 CinerinII 121-20-0 25mg $14025 2021-12-16 Buy
Product number Packaging Price Buy
C441985 10mg $10725 Buy
C441985 25mg $14025 Buy

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

Uses

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

Uses

Insecticide.

Definition

ChEBI: Cinerin II is a member of pyrethrins and a methyl ester.

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

4638-92-0
121-20-0
Synthesis of 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate from TRANS-(+)-CHRYSANTHEMIC ACID

3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate Preparation Products And Raw materials

Raw materials

1R-trans-methyl caronaldehydate (4S)-4-hydroxy-3-methyl-2-prop-2-ynyl-cyclopent-2-en-1-one Iodomethane TRANS-(+)-CHRYSANTHEMIC ACID

Preparation Products

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

Global( 17)Suppliers
Supplier Tel Email Country ProdList Advantage
Hubei Jusheng Technology Co.,Ltd. 		18871490254 linda@hubeijusheng.com CHINA 28172 58
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 96815 76
Chemsky (shanghai) International Co.,Ltd 021-50135380 shchemsky@sina.com China 15402 60
Shanghai TaoSu Biochemical Technology Co., Ltd. 021-33632979 info@tsbiochem.com China 8065 58
Alta Scientific Co., Ltd. 022-6537-8550 15522853686 sales@altasci.com.cn China 4511 55
Shenzhen Regent Biochemical Technology Co., Ltd. 0755-0755-85201366 18938635012 sales@regentsciences.com China 9357 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 +86-13028896684; sales@rrkchem.com China 57423 58
Energy Chemical 021-58432009 400-005-6266 marketing1@energy-chemical.com China 44806 58
Shaanxi Dideu Medichem Co. Ltd 029-61856358 15229202216 1020@dideu.com China 10011 58
SHANGHAI ZZBIO CO., LTD. 15102117276 19921389125 tech@zzbioco.com China 12065 58
Supplier Advantage
Hubei Jusheng Technology Co.,Ltd. 		58
J & K SCIENTIFIC LTD. 76
Chemsky (shanghai) International Co.,Ltd 60
Shanghai TaoSu Biochemical Technology Co., Ltd. 58
Alta Scientific Co., Ltd. 55
Shenzhen Regent Biochemical Technology Co., Ltd. 58
Shenzhen Polymeri Biochemical Technology Co., Ltd. 58
Energy Chemical 58
Shaanxi Dideu Medichem Co. Ltd 58
SHANGHAI ZZBIO CO., LTD. 58
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)- 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate 121-20-0 Chiral Reagents