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1209496-83-2

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1209496-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1209496-83-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,9,4,9 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1209496-83:
(9*1)+(8*2)+(7*0)+(6*9)+(5*4)+(4*9)+(3*6)+(2*8)+(1*3)=172
172 % 10 = 2
So 1209496-83-2 is a valid CAS Registry Number.

1209496-83-2Downstream Products

1209496-83-2Relevant articles and documents

Fluorescence turn-on sensor for cyanide based on a cobalt(II)- coumarinylsalen complex

Lee, Jae Han,Reum Jeong,Shin, Ik-Soo,Kim, Hae-Jo,Hong, Jong-In

, p. 764 - 767 (2010)

(Chemical Equetion Presentation) A Co(II)-salen based fluorescent sensor (1·Co) that can selectively recognize cyanide anions in 1:2 binding stoichiometry over other anions has been developed. 1·Co displayed fluorescence enhancement upon the addition of cyanide owing to the interruption of photoinduced electron transfer from the coumarin fluorophore to the cobalt(II) ion. A general regression method was developed to calculate the binding constants in the 1:2 binding system, through which the 1:2 binding between 1·Co and cyanide anions was estimated to be In the range of micromolar dissociation constants.

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