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1256796-22-1

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1256796-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256796-22-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,7,9 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1256796-22:
(9*1)+(8*2)+(7*5)+(6*6)+(5*7)+(4*9)+(3*6)+(2*2)+(1*2)=191
191 % 10 = 1
So 1256796-22-1 is a valid CAS Registry Number.

1256796-22-1Downstream Products

1256796-22-1Relevant articles and documents

Catalytic asymmetric synthesis of both enantiomers of 4-substituted 1,4-Dihydropyridines with the use of bifunctional Thiourea-Ammonium salts bearing different counterions

Yoshida, Kohzo,Inokuma, Tsubasa,Takasu, Kiyosei,Takemoto, Yoshiji

, p. 8305 - 8326 (2011/03/17)

Organoammonium salts composed of a Bronsted acid and an anilinothiourea promoted the Michael addition of β-keto esters and α,β-unsaturated aldehydes in the presence of primary amines to give functionalized 1,4-dihydropyridines enantioselectively. With the

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