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63909-02-4

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63909-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63909-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,0 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63909-02:
(7*6)+(6*3)+(5*9)+(4*0)+(3*9)+(2*0)+(1*2)=134
134 % 10 = 4
So 63909-02-4 is a valid CAS Registry Number.

63909-02-4Downstream Products

63909-02-4Relevant articles and documents

2-Methylpyridinium Salts as 1,4-Dinucleophiles. IV. Westphal Condensation with 2-Alkyl-1-aminoazinium Substrates

Matia, M. Paz,Navio, J. Luis Garcia,Vaquero, J. Jose,Alvarez-Builla, J.

, p. 661 - 665 (2007/10/02)

Condensation of 2-alkyl-1-aminopyridinium, quinolinium or 1-alkyl-2-aminoisoquinolinium salts with 1,2-acenaphthenequinone or 9,10-phenanthrenequinone in the presence of base, gave pyridopyridazinium salts in good yields.

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