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1251901-55-9

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1251901-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1251901-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,1,9,0 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1251901-55:
(9*1)+(8*2)+(7*5)+(6*1)+(5*9)+(4*0)+(3*1)+(2*5)+(1*5)=129
129 % 10 = 9
So 1251901-55-9 is a valid CAS Registry Number.

1251901-55-9Downstream Products

1251901-55-9Relevant articles and documents

Influence of β-substituents in aldol reactions of boron enolates of β-alkoxy methylketones

Dias, Luiz C.,De Lucca Jr., Emilio C.,Ferreira, Marco A. B.,Garcia, Danilo C.,Tormena, Claudio F.

scheme or table, p. 5056 - 5059 (2011/02/26)

Moderate to good levels of substrate-based 1,5-syn-stereocontrol could be achieved in the boron-mediated aldol reactions of β-tert-butyl methylketones with achiral aldehydes, independent of the nature of the β-alkoxy protecting group (P = PMB or TBS). The

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