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98215-17-9

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98215-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98215-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,1 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98215-17:
(7*9)+(6*8)+(5*2)+(4*1)+(3*5)+(2*1)+(1*7)=149
149 % 10 = 9
So 98215-17-9 is a valid CAS Registry Number.

98215-17-9Relevant articles and documents

Double Stereoselection in the Aldol-type Synthesis of γ-Methyl and γ-Alkoxy β-Hydroxy Ketones Mediated by α-Sulphinyl Hydrazones

Annunziata, Rita,Cinquini, Mauro,Cozzi, Franco,Gilardi, Amilcare,Cardani, Silvia,et al.

, p. 255 - 260 (2007/10/02)

Optically active γ-methyl-β-hydroxy and γ-alkoxy-β-hydroxy ketones have been obtained by condensing chiral racemic aldehydes with chiral α-sulphinyl hydrazones.Good to excellent enantioselectivity and diastereoselectivity, both strongly dependent on the n

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