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181713-52-0

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181713-52-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181713-52-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,7,1 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 181713-52:
(8*1)+(7*8)+(6*1)+(5*7)+(4*1)+(3*3)+(2*5)+(1*2)=130
130 % 10 = 0
So 181713-52-0 is a valid CAS Registry Number.

181713-52-0Relevant articles and documents

13-Asymmetric induction in the aldol reactions of α-methylene-β-alkoxy aldehydes

Paterson, Ian,Bower, Shelley,Tillyer, Richard D.

, p. 4393 - 4396 (1993)

The aldol reactions of the α-methylene-β-alkoxy aldehydes 3 and 6 were examined for a range of Ti (IV), Sn(II), and B enolates. The sense and level of 1,3-asymmetric induction (up to 95% ds) varies with the enolate structure and the β-hydroxyl protecting

1,4-Asymmetric induction in the Nozaki-Hiyama reaction

Maguire, Robert J.,Mulzer, Johann,Bats, Jan W.

, p. 5487 - 5490 (2007/10/03)

A series of allyl bromides 3a-c bearing a stereogenic carbon substituent at C-2 are synthesized in four steps from methyl acrylate. These are found to react with aldehydes, mediated by chromium(II) chloride, to furnish syn-4-alkoxyalkan-1-ols 4 in good to

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