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1,4-Pentalenedione, hexahydro-3a,6a-dimethyl-, also known as 3,4,3a,6a-tetrahydro-4,6-dimethyl-1,2-dioxin-4-one or 3,4,3a,6a-tetrahydro-4,6-dimethyl-1,2-benzoquinone, is an organic compound with the chemical formula C8H10O2. It is a colorless to pale yellow crystalline solid with a molecular weight of 138.16 g/mol. 1,4-Pentalenedione, hexahydro-3a,6a-dimethyl- is characterized by its unique structure, featuring a dioxinone core with two methyl groups attached at the 3a and 6a positions, and a double bond between the 1 and 2 carbons. It is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, and its properties include low solubility in water and high solubility in organic solvents. Due to its reactivity, it is typically handled under controlled conditions to prevent unwanted side reactions.

84451-81-0

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84451-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84451-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84451-81:
(7*8)+(6*4)+(5*4)+(4*5)+(3*1)+(2*8)+(1*1)=140
140 % 10 = 0
So 84451-81-0 is a valid CAS Registry Number.

84451-81-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 3a,6a-dimethylhexahydropentalene-1,4-dione

1.2 Other means of identification

Product number -
Other names -

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:84451-81-0 SDS

84451-81-0Upstream product

84451-81-0Relevant academic research and scientific papers

Dependence of the Lewis Acid-induced Reaction of β-stannyl Ketones upon Substitution Pattern. 1,2-Alkyl Migration versus Cyclopropanation

Fujiwara, Jun,Yamamoto, Taro,Sato, Tadashi

, p. 1775 - 1778 (1992)

3-Stannylcyclohexanones fully substituted at 2 and 3 positions undergo a 1,2-alkyl migration and cyclopropanation.The balance of the reaction pattern depends upon the steric environment and migratory aptitude of the alkyl groups.

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