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826990-62-9

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826990-62-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 826990-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,6,9,9 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 826990-62:
(8*8)+(7*2)+(6*6)+(5*9)+(4*9)+(3*0)+(2*6)+(1*2)=209
209 % 10 = 9
So 826990-62-9 is a valid CAS Registry Number.

826990-62-9Downstream Products

826990-62-9Relevant articles and documents

One-pot synthesis of fluorine containing 3-cyano/ethoxycarbonyl-2-methyl- benzo[b]furans

RamaRao,Venkat Reddy,Maitraie,Ravikanth,Yadla,Narsaiah,Shanthan Rao

, p. 12231 - 12237 (2004)

Fluoro-substituted 3-cyano-2-methyl-benzo[b]furans and ethyl 2-methyl-benzo[b]furan-3-carboxylates are conveniently prepared in a single step in good yield by the microwave induced tandem intramolecular Wittig and Claisen rearrangement reactions of the corresponding [(aryloxyacetyl) (cyano) methylene] triphenylphosphorane and [(aryloxyacetyl) (ethoxycarbonyl) methylene] triphenylphosphoranes, respectively. Graphical Abstract

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