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1373355-57-7

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1373355-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1373355-57-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,3,5 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1373355-57:
(9*1)+(8*3)+(7*7)+(6*3)+(5*3)+(4*5)+(3*5)+(2*5)+(1*7)=167
167 % 10 = 7
So 1373355-57-7 is a valid CAS Registry Number.

1373355-57-7Downstream Products

1373355-57-7Relevant articles and documents

Expedient synthesis of xanthones and multi-functionalized chromones from 1,1-diacyl cyclopropanes

French, Sarah A.,Clark, Mitchell R.,Smith, Robert J.,Brind, Thomasin,Hawkins, Bill C.

, p. 5340 - 5350 (2018/04/19)

We report the rapid synthesis of various cycloheptane-fused chromones and an oxepine fused flavone in 5 steps from the corresponding 2-hydroxy acetophenone. Furthermore, we describe the synthesis of xanthones, in moderate to good yield, from 2,3-disubstit

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