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637330-73-5

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637330-73-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 637330-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,3 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 637330-73:
(8*6)+(7*3)+(6*7)+(5*3)+(4*3)+(3*0)+(2*7)+(1*3)=155
155 % 10 = 5
So 637330-73-5 is a valid CAS Registry Number.

637330-73-5Relevant articles and documents

Conjugate addition of aryl nucleophiles to α,β-unsaturated cinnamic acid derivatives containing Evans type chiral auxiliaries

Leitis, Zigmārs,Lūsis, Viesturs

, p. 843 - 851 (2016/09/02)

Cinnamides containing oxazolidin-2-one type auxiliaries have been prepared. A novel pathway to chiral 4-aryl-6-methyl-3,4-dihydrocoumrines via the asymmetric conjugate addition of arylmagnesium bromides to these cinnamides is described.

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