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127616-20-0

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127616-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127616-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,6,1 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 127616-20:
(8*1)+(7*2)+(6*7)+(5*6)+(4*1)+(3*6)+(2*2)+(1*0)=120
120 % 10 = 0
So 127616-20-0 is a valid CAS Registry Number.

127616-20-0Relevant articles and documents

A convenient preparation of symmetrical and unsymmetrical 1,2-diketones: Application to fluorinated phenytoin synthesis

Page,Graham,Park

, p. 7265 - 7274 (2007/10/02)

1,2-Diketones are efficiently produced in two steps by reaction of aldehydes with anions derived from 2-substituted dithianes followed by treatment of the resulting alcoholis with NBS in aqueous acetone; phenytoin derivatives were prepared from these diketones by a standard method involving treatment with urea and potassium hydroxide under reflux.

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