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128434-71-9

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128434-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128434-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,3 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128434-71:
(8*1)+(7*2)+(6*8)+(5*4)+(4*3)+(3*4)+(2*7)+(1*1)=129
129 % 10 = 9
So 128434-71-9 is a valid CAS Registry Number.

128434-71-9Downstream Products

128434-71-9Relevant academic research and scientific papers

Selective Acetalization of Aldehydes with Trialkoxystibine using Allyl Bromide

Liao, Yi,Huang, Yao-Zeng,Zhu, Fang-Hua

, p. 493 - 494 (1990)

Trialkoxystibine has been found to be an effective reagent for selective acetalization of aldehydes with the aid of allyl bromide.

Ruthenium(III) chloride-catalyzed chemoselective synthesis of acetals from aldehydes

De, Surya K.,Gibbs, Richard A.

, p. 8141 - 8144 (2007/10/03)

A mild and chemoselective acetalization procedure for the protection of various aldehydes in the presence of ketones is described.

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