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133031-58-0

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133031-58-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133031-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,3 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133031-58:
(8*1)+(7*3)+(6*3)+(5*0)+(4*3)+(3*1)+(2*5)+(1*8)=80
80 % 10 = 0
So 133031-58-0 is a valid CAS Registry Number.

133031-58-0Relevant articles and documents

Facile and Racemization-Free Conversion of Chiral Nitriles into Pyridine Derivatives

Heller, Barbara,Sundermann, Bernd,Fischer, Christine,You, Jingsong,Chen, Waiqiang,Drexler, Hans-Joachim,Knochel, Paul,Bonrath, Werner,Gutnov, Andrey

, p. 9221 - 9225 (2003)

The results described herein demonstrate how the very mild reaction conditions of the Co(I)-catalyzed photochemical [2 + 2 + 2] cyclocotrimerization are suited to prepare chiral compounds containing unsubstituted and polysubstituted 2-pyridyl moieties sta

Synthesis of 1-substituted 2-[2S)-2-pyrrolidinyl]pyridine from L-Proline

Chelucci,Falorni,Giacomelli

, p. 1121 - 1122 (2007/10/02)

The synthesis of optically active 2-[(2S)-2-pyrrolidinyl]pyridine from L-proline is reported. This compound can be further alkylated to give the corresponding N-methyl- and N-benzylpyrrolidinyl derivatives.

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