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1049009-42-8

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1049009-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1049009-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,9,0,0 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1049009-42:
(9*1)+(8*0)+(7*4)+(6*9)+(5*0)+(4*0)+(3*9)+(2*4)+(1*2)=128
128 % 10 = 8
So 1049009-42-8 is a valid CAS Registry Number.

1049009-42-8Relevant articles and documents

Efficient synthesis of functionalized 1,3-dihydroisobenzofurans from salicylaldehydes: Application to the synthesis of escitalopram

Wang, Peng,Zhang, Rui,Cai, Jin,Chen, Jun-Qing,Ji, Min

, p. 549 - 552 (2014/05/06)

An efficient synthesis of substituted 1,3-dihydroisobenzofurans is developed. In this novel route, o-aroylbenzaldehydes, as key intermediates, can be obtained by lead tetraacetate oxidation of N-aroylhydrazones of salicylaldehydes. The mild and general st

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