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159391-49-8

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159391-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159391-49-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,3,9 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 159391-49:
(8*1)+(7*5)+(6*9)+(5*3)+(4*9)+(3*1)+(2*4)+(1*9)=168
168 % 10 = 8
So 159391-49-8 is a valid CAS Registry Number.

159391-49-8Relevant articles and documents

Highly diastereoselective alkylation of perhydropyrimidin-4-ones directed toward the synthesis of α-substituted β-amino acids. 2

Braschi,Cardillo,Tomasini,Venezia

, p. 7292 - 7298 (2007/10/02)

The alkylation of several enantiomerically pure perhydropyrimidin-4-ones at C5 is described. For the methylation reaction, mixtures of 5,6-trans -and cis-disubstituted adducts were obtained with high diastereomeric ratios, whereas only the 5,6-

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