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21039-90-7

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21039-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21039-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,3 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21039-90:
(7*2)+(6*1)+(5*0)+(4*3)+(3*9)+(2*9)+(1*0)=77
77 % 10 = 7
So 21039-90-7 is a valid CAS Registry Number.

21039-90-7Downstream Products

21039-90-7Relevant articles and documents

Syntheses of sulfoxide derivatives in the benzodiazine series. Diazines. Part 37

Le Fur, Nicolas,Mojovic, Ljubica,Turck, Alain,Plé, Nelly,Quéguiner, Guy,Reboul, Vincent,Perrio, Stéphane,Metzner, Patrick

, p. 7983 - 7994 (2007/10/03)

Syntheses of new sulfinylcinnolines, quinoxalines, quinazolines and phtalazines have been investigated starting from the appropriate halogenobenzodiazine derivatives. The latter were converted in one step to the corresponding sulfanyl benzodiazines which

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