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849904-89-8

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849904-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 849904-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,9,0 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 849904-89:
(8*8)+(7*4)+(6*9)+(5*9)+(4*0)+(3*4)+(2*8)+(1*9)=228
228 % 10 = 8
So 849904-89-8 is a valid CAS Registry Number.

849904-89-8Downstream Products

849904-89-8Relevant articles and documents

The synthesis of spirophanes from a pentaerythrityl core

Rajakumar, Perumal,Sekar, Karuppannan,Srinivasan, Kannupal

, p. 1905 - 1907 (2005)

Various thia- and oxa-spirobicyclic cyclophanes were synthesized from a pentaerythrityl building block and appropriate dithiols/bisphenols.

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