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1504663-22-2

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1504663-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1504663-22-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,0,4,6,6 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1504663-22:
(9*1)+(8*5)+(7*0)+(6*4)+(5*6)+(4*6)+(3*3)+(2*2)+(1*2)=142
142 % 10 = 2
So 1504663-22-2 is a valid CAS Registry Number.

1504663-22-2Relevant articles and documents

Carboxylation with CO2 via brook rearrangement: Preparation of α-hydroxy acid derivatives

Mita, Tsuyoshi,Higuchi, Yuki,Sato, Yoshihiro

, p. 14 - 17 (2014/01/23)

In the presence of CsF, a wide range of α-substituted α-siloxy silanes were carboxylated under a CO2 atmosphere (1 atm) via Brook rearrangement. A variety of α-substituents including aryl, alkenyl, and alkyl groups were tolerated to afford α-hydroxy acids in moderate-to-high yields. One-pot synthesis from aldehydes using PhMe2SiLi and CO 2 was also possible, providing α-hydroxy acids without the isolation of an α-hydroxy silane.

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