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Benzene, 1,1'-[heptylidenebis(seleno)]bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

60221-21-8

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60221-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 60221-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,2,2 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 60221-21:
(7*6)+(6*0)+(5*2)+(4*2)+(3*1)+(2*2)+(1*1)=68
68 % 10 = 8
So 60221-21-8 is a valid CAS Registry Number.

60221-21-8Relevant academic research and scientific papers

C/Se bond cleavage of functionalized selenides by lithium arenides: Application to the geminal di-allylation of the carbonyl group of aldehydes and ketones

Krief,Nazih

, p. 8115 - 8118 (2007/10/02)

Selenoacetals as well as mixed (O,Se) acetals react with lithium arenides and produce, besides lithium selenolates, α-selenoalkyllithiums or α-alkoxyalkyllithiums respectively. We took advantage of these reactions as well as of the ones involving the synthesis of alkyllithiums from selenides to propose an original method for geminal di-allylation of the carbonyl group of aldehydes and ketones.

SYNTHESIS OF SELENOACETALS

Clarembeau, M.,Cravador, A.,Dumont, W.,Hevesi, L,Krief, A.,et al.

, p. 4793 - 4812 (2007/10/02)

This paper reports our results concerning the syntheses of various bis(alkylseleno)alkanes and some of their arylseleno analogues by different methods.The scope and limitation of each of them are presented.

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