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144461-82-5

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144461-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144461-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,4,6 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 144461-82:
(8*1)+(7*4)+(6*4)+(5*4)+(4*6)+(3*1)+(2*8)+(1*2)=125
125 % 10 = 5
So 144461-82-5 is a valid CAS Registry Number.

144461-82-5Relevant 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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