128998-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128998-02-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,9 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128998-02:
(8*1)+(7*2)+(6*8)+(5*9)+(4*9)+(3*8)+(2*0)+(1*2)=177
177 % 10 = 7
So 128998-02-7 is a valid CAS Registry Number.
128998-02-7Relevant academic research and scientific papers
Bipyridyls and their use as inks
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, (2008/06/13)
Process employing bipyridyls as inks, of the general formula STR1 in which R, R' are, for example, alkyl and R1, R2, R3, R4, R5, R6 are, for example hydrogen or alkyl radicals, or R1 and R2 or R2 and R3, and/or R4 and R5 or R5 and R6 together with the pyridine ring form in isoquinoline or quinoline ring system.