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142940-82-7

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142940-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142940-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,4 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142940-82:
(8*1)+(7*4)+(6*2)+(5*9)+(4*4)+(3*0)+(2*8)+(1*2)=127
127 % 10 = 7
So 142940-82-7 is a valid CAS Registry Number.

142940-82-7Relevant academic research and scientific papers

Physical properties of atropisomeric 5-deazaflavin derivatives

Ohno, Atsuyoshi,Kunitomo, Jun,Kawai, Yasushi

, p. 4601 - 4610 (2007/10/03)

Optically active 5-deazaflavin derivatives with an axial chirality at the N(3) position have been synthesized. Kinetics for thermal enantiomerization and X-ray crystallographic analyses of these compounds have been carried out. In addition, all absolute configurations of their enantiomers have been determined on the basis of circular dichroism spectra.

Synthesis and reaction of novel 5-deazaflavins with axial chirality at pyrimidine ring moiety

Kawamoto, Tetsuji,Tomishima, Masaki,Yoneda, Fumio,Hayami, Jun-Ichi

, p. 3169 - 3172 (2007/10/02)

A series of novel 5-deazaflavin derivatives possessing axial chirality at pyrimidine ring moiety have been prepared to investigate effects of the pyrimidine site on the stereoselective reactions between flavins and substrates. Successful optical resolutio

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