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109693-94-9

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109693-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109693-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,9 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109693-94:
(8*1)+(7*0)+(6*9)+(5*6)+(4*9)+(3*3)+(2*9)+(1*4)=159
159 % 10 = 9
So 109693-94-9 is a valid CAS Registry Number.

109693-94-9Downstream Products

109693-94-9Relevant articles and documents

CHROMOGENIC CORONANDS. I. C-ARYLCROWN-FORMAZANS OF THE DO-, TRI-, TETRA-, PENTA-, HEXA-, HEPTA-, AND NONANEDECYNE AND DOCOSYNE SERIES

Ostrovskaya, V. M.,D'yakonova, I. A.,Poponova, R. V.,Kozlova, N. P.,Ryabokobylko, Yu. S.,Filatova, M. P.

, p. 1583 - 1588 (2007/10/02)

The 12- to 22-membered dibenzodi(oligo)oxatetraazacoronands containing a crown-ether fragment and an endocyclic C-arylformazan group (C-arylcrown-formazans) in the ring were obtained by template and nontemplate bisazocoupling of bisdiazotized bis(2-aminoa

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