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53403-86-4

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53403-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53403-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,0 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 53403-86:
(7*5)+(6*3)+(5*4)+(4*0)+(3*3)+(2*8)+(1*6)=104
104 % 10 = 4
So 53403-86-4 is a valid CAS Registry Number.

53403-86-4Downstream Products

53403-86-4Relevant articles and documents

Syntheses and X-ray crystal structures of poly(pyridylsulfanylmethyl)arenes: New multi-armed molecules

McMorran, David A.,Steel, Peter J.

, p. 3701 - 3707 (2003)

The synthesis of a series of seven new poly(pyridylsulfanylmethyl)arenes is reported. These are readily prepared from either 2- or 4-mercaptopyridine and a poly(bromomethyl)arene in the presence of triethylamine. Compounds with three, four, six and eight pyridylsulfanylmethyl arms are reported. These have been fully characterised and, in four cases, the relative orientations of the pyridylsulfanylmethyl arms have been ascertained by X-ray structural analysis.

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