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1638535-48-4

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1638535-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1638535-48-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,5,3 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1638535-48:
(9*1)+(8*6)+(7*3)+(6*8)+(5*5)+(4*3)+(3*5)+(2*4)+(1*8)=194
194 % 10 = 4
So 1638535-48-4 is a valid CAS Registry Number.

1638535-48-4Upstream product

1638535-48-4Downstream Products

1638535-48-4Relevant articles and documents

Palladium-catalyzed intermolecular allylic dearomatization reaction of α-substituted β-naphthol derivatives: Scope and mechanistic investigation

Zhuo, Chun-Xiang,You, Shu-Li

, p. 2020 - 2028 (2014)

A highly efficient dearomatization reaction of α-substituted β-naphthols with excellent chemoselectivity and regioselectivity has been developed. Mechanistic studies demonstrated that the dearomatized alkylation product is the thermodynamically more stable compound. The etherification product could be further transformed to the dearomatization product.

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