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1233390-45-8

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1233390-45-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233390-45-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,3,9 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1233390-45:
(9*1)+(8*2)+(7*3)+(6*3)+(5*3)+(4*9)+(3*0)+(2*4)+(1*5)=128
128 % 10 = 8
So 1233390-45-8 is a valid CAS Registry Number.

1233390-45-8Downstream Products

1233390-45-8Relevant articles and documents

Efficient construction of functionalized 5-carboxymethyl tetramic acids using N-Ac-l-aspartic anhydride as chiral building block

Prousis, Kyriakos C.,Markopoulos, John,Mckee, Vickie,Igglessi-Markopoulou, Olga

experimental part, p. 3944 - 3950 (2010/07/04)

A novel method for the synthesis of densely functionalized optically active 5-carboxymethyl tetramic acids is reported. The proposed strategy is focused on the synthesis of 3,3′-disubstituted pyrrolidine-2,4-diones as useful molecules for the synthesis of natural products. The proposed methodology has been established by X-ray diffraction structure analysis.

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