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Cholestan-3-one, 5-(dimethylphenylsilyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67263-04-1

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67263-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67263-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,6 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 67263-04:
(7*6)+(6*7)+(5*2)+(4*6)+(3*3)+(2*0)+(1*4)=131
131 % 10 = 1
So 67263-04-1 is a valid CAS Registry Number.

67263-04-1Downstream Products

67263-04-1Relevant academic research and scientific papers

The Conjugate Addition of a Silyl Group to Enones and its Removal with Copper(II) Bromide: A Protecting Group for the αβ-Unsaturation of αβ-Unsaturated Ketones

Ager, David J.,Fleming, Ian,Patel, Shailesh K.

, p. 2520 - 2526 (1981)

Silyl-lithium reagents mixed with copper(I) salts react with enones, including esters and aldehydes, to give β-silyl carbonyl compounds in good yield.The β-silylketones can be used in synthesis without risk to the silyl group and the enone group can be restored by bromination-desilylbromination with copper(II) bromide.The principle is illustrated with syntheses of carvone and dihydrojasmone.

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