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462629-40-9

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462629-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 462629-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,6,2,6,2 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 462629-40:
(8*4)+(7*6)+(6*2)+(5*6)+(4*2)+(3*9)+(2*4)+(1*0)=159
159 % 10 = 9
So 462629-40-9 is a valid CAS Registry Number.

462629-40-9Downstream Products

462629-40-9Relevant articles and documents

Alkenyl tricarbonyl derivatives of α-amino acids as trielectrophiles. Formation of heterocyclic-substituted products

Wasserman, Harry H,Long, Yun Oliver,Zhang, Rui,Parr, Jonathan

, p. 3351 - 3353 (2002)

Alkenyl tricarbonyl esters have been prepared by reaction of mono aldehydes of dibasic amino acids with tricarbonyl esters. These systems undergo reaction with diamines and other dinucleophiles by a combination of Michael addition and nucleophilic attack at the electrophilic central carbonyl to form pyrrole derivatives. These monoaldehydes may also be used to incorporate imidazole and furan residues into the amino acid starting materials.

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