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73420-64-1

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73420-64-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73420-64-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,2 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73420-64:
(7*7)+(6*3)+(5*4)+(4*2)+(3*0)+(2*6)+(1*4)=111
111 % 10 = 1
So 73420-64-1 is a valid CAS Registry Number.

73420-64-1Relevant articles and documents

SYNTHESIS AND POLAROGRAPHIC INVESTIGATION OF 5-PHENOXY-2-FURALDEHYDES

Knoppova, Viera,Beno, Anton,Kada, Rudolf,Kovac, Jaroslav

, p. 423 - 426 (2007/10/02)

5-(4- Or 3-X-phenoxy)-2-furaldehydes were prepared from 5-bromo-2-furaldehyde and the respective sodium 4- or 3-X-phenolates (X= 4-Cl, 4-Br, 4-NO2, 4-CH3, 3-NO2, 4-CH3O, 4-COOC2H5, 4-SCH3, 3-NHCOCH3 ) in dimethyl sulfoxide.The transmission effect of a sub

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