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5-methyl-hept-5-en-3-one is an organic compound with the molecular formula C8H14O. It is a colorless liquid with a strong, pungent odor. This ketone is characterized by the presence of a methyl group (-CH3) at the 5th carbon and a double bond between the 5th and 6th carbon atoms. The carbonyl group (C=O) is located at the 3rd carbon, which is adjacent to the double bond. This chemical structure contributes to its reactivity and its role as an important intermediate in the synthesis of various fragrances, flavors, and pharmaceuticals. It is also known for its ability to mimic natural aromas, making it a valuable component in the creation of artificial scents.

1190-34-7

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1190-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1190-34-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,9 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1190-34:
(6*1)+(5*1)+(4*9)+(3*0)+(2*3)+(1*4)=57
57 % 10 = 7
So 1190-34-7 is a valid CAS Registry Number.

1190-34-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-methyl-hept-5-en-3-one

1.2 Other means of identification

Product number -
Other names 5-Methyl-hept-5-en-3-on

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:1190-34-7 SDS

1190-34-7Relevant academic research and scientific papers

REACTIONS OF METHYLTRIS(TRIARYLPHOSPHINE)COBALT III. ALDOL CONDENSATION CATALYSED BY METHYLTRIS(TRIPHENYLPHOSPHINE)COBALT, (Ph3P)3CoCH3

Michman, M.,Nussbaum, S.

, p. 111 - 116 (1981)

Methyltris(triphenylphosphine)cobalt catalyses the aldol condensation of acetone and ethyl methyl ketone.From acetone mesityl oxide is obtained in ca. 70percent yield, while from ethyl methyl ketone 3-methyl-2-heptene-5-one and 3-methyl-3-heptene-5-one are formed in equal amounts in a total yield of about 100percent.The latter products are known to be those of base-catalysed aldol condensation.The corresponding aldols are also observed in small quantities.The reactions mostly take place in the absence of solvent.

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