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12193-57-6

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12193-57-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 12193-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,9 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12193-57:
(7*1)+(6*2)+(5*1)+(4*9)+(3*3)+(2*5)+(1*7)=86
86 % 10 = 6
So 12193-57-6 is a valid CAS Registry Number.

12193-57-6Relevant articles and documents

SYNTHESE, EIGENSCHAFTEN UND CARBONYL-INSERTIONS-REAKTIONEN VON TETRACARBONYLEISEN(0)-KOMPLEXEN para-SUBSTITUIERTER STYROLE

Schmidt, Eckhart K.G.,Dogan, Mehmet

, p. 73 - 84 (2007/10/02)

The Fe(CO)4 η2-complexes of para-substituted styrenes (substituent=H, CH3, OCH3, Cl, F) can be obtained in good yields.Complexation changes drastically the chemical shifts and coupling constants of the vinyl protons.Reaction of the complexes wi

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