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127889-61-6

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127889-61-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127889-61-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,8 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127889-61:
(8*1)+(7*2)+(6*7)+(5*8)+(4*8)+(3*9)+(2*6)+(1*1)=176
176 % 10 = 6
So 127889-61-6 is a valid CAS Registry Number.

127889-61-6Relevant articles and documents

RAPID SYNTHESIS OF β-HYDROXY-α-AMINO ACIDS, SUCH AS L-THREONINE, β-HYDROXYPHENYLALANINE, AND β-HYDROXYLEUCINE, VIA AN APPLICATION OF THE SHARPLESS ASYMMETRIC EPOXIDATION

Jung, Michael E.,Jung, Young H.

, p. 6637 - 6640 (1989)

The optically active epoxy alcohols 6abc, prepared by a Sharpless kinetic resolution-epoxidation process, were converted to the optically pure β-hydroxy-α-amino acids 1abc in four steps and high overall yield.

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