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4-cyano-1,5,5-trimethyl-1-cyclohexene-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33185-16-9

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33185-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33185-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,8 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33185-16:
(7*3)+(6*3)+(5*1)+(4*8)+(3*5)+(2*1)+(1*6)=99
99 % 10 = 9
So 33185-16-9 is a valid CAS Registry Number.

33185-16-9Relevant academic research and scientific papers

THE CYCLODIMERISATION OF 3-METHYL-2-BUTENENITRILE

Tucker, H.,Golding, G.,Purvis, S. R.

, p. 1373 - 1376 (2007/10/02)

3-Methyl-2-butenenitrile (1) cyclodimerised on treatment with lithium diisopropylamide in dimethoxyethane at temperatures between -78 deg C and 0 deg C to 3-amino-4-cyano-1,5,5-trimethyl-1,3-cyclohexadiene (2) the structure of which was established by acid hydrolysis to the known 4-cyano-1,5,5-trimethyl-1-cyclohexene-3-one (3).

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