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"10-(4-chloro-phenyl)-5,10-dihydro-phenarsazine 10-oxide" is a complex chemical compound with the molecular formula C12H10AsClN2O. It is a derivative of phenarsazine, which is an arsenic-containing heterocyclic compound. This specific compound features a 4-chlorophenyl group attached to the phenarsazine core, and it is a dihydro derivative, indicating the presence of two hydrogen atoms in the molecule. The "10-oxide" part of the name suggests that the compound has an oxygen atom attached to the 10th position, forming an oxide group. 10-(4-chloro-phenyl)-5,10-dihydro-phenarsazine 10-oxide is of interest in chemical research due to its unique structure and potential applications in various fields, such as pharmaceuticals or materials science.

21859-32-5

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21859-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21859-32-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,5 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21859-32:
(7*2)+(6*1)+(5*8)+(4*5)+(3*9)+(2*3)+(1*2)=115
115 % 10 = 5
So 21859-32-5 is a valid CAS Registry Number.

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