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93500-92-6

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93500-92-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93500-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,0 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 93500-92:
(7*9)+(6*3)+(5*5)+(4*0)+(3*0)+(2*9)+(1*2)=126
126 % 10 = 6
So 93500-92-6 is a valid CAS Registry Number.

93500-92-6Relevant articles and documents

Synthesis of 3-Arylcoumarins, Thiacoumarins and Carbostyrils

Natarajan, M.,Manimaran, T.,Ramakrishnan, V. T.

, p. 529 - 534 (2007/10/02)

3-Arylcarbostyrils (2a-f), coumarins (2g-j) and thiacoumarin (2k) have been prepared by a generalised method from α,β-dibromohydrocinnamoyl derivatives (1a-k).The intermediate dihydrocoumarins and dihydrocarbostyrils (3, Y = O, NH) have been prepared which on acid treatment furnish 2.However, treatment of 3 with a base affords the 4-arylcoumarins and carbostyrils (4).

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