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1248337-32-7

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1248337-32-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1248337-32-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,8,3,3 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1248337-32:
(9*1)+(8*2)+(7*4)+(6*8)+(5*3)+(4*3)+(3*7)+(2*3)+(1*2)=157
157 % 10 = 7
So 1248337-32-7 is a valid CAS Registry Number.

1248337-32-7Relevant articles and documents

Green H 2 O-Promoted Solvent-Free Synthesis of Enaminocarbonyl Compounds with High Stereoselectivity from Electron-Deficient Terminal Alkynes

Chen, Guang,Chen, Xiao Yun,Cheng, Xiaofang,Tang, Yaonan,Yuan, Shuxia,Zhang, Luming,Zhu, Baocheng

supporting information, p. 878 - 882 (2020/05/28)

A green H 2 O-promoted solvent-free hydroamination of electron-deficient terminal alkynes with amines has been developed. All secondary amines, including aliphatic and aromatic amines, gave the corresponding (E)-enamines in good to excellent yi

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

experimental part, 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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