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688809-79-2

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688809-79-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 688809-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,8,8,0 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 688809-79:
(8*6)+(7*8)+(6*8)+(5*8)+(4*0)+(3*9)+(2*7)+(1*9)=242
242 % 10 = 2
So 688809-79-2 is a valid CAS Registry Number.

688809-79-2Upstream product

688809-79-2Relevant academic research and scientific papers

NOVEL QUINOXALINE DERIVATIVES

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Page/Page column 187-188, (2008/06/13)

A quinoxalinone derivative of the formula (I): or a pharmaceutically acceptable salt or ester thereof, wherein; ???X is NH, S or the like; ???Y is O or the like; ???the partial structure is, for example, the formula: ???B1, B2, ....., Bn-1 and Bn, (in which n is 4 , 5 or 6) are each independently CH, N or the like; ???B'1, B'2, ....., B'n-1 and B'n (in which n is 4, 5 or 6) are each independently hydrogen or the like; and ???R is hydrogen, lower alkyl or the like.

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