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685561-32-4

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685561-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 685561-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,6 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 685561-32:
(8*6)+(7*8)+(6*5)+(5*5)+(4*6)+(3*1)+(2*3)+(1*2)=194
194 % 10 = 4
So 685561-32-4 is a valid CAS Registry Number.

685561-32-4Downstream Products

685561-32-4Relevant articles and documents

Synthesis of high aspect ratio bisphenols and polycarbonates incorporating bisaryl units

Boyles, David A.,Filipova, Tsvetanka S.,Bendler, John T.,Longbrake, Guy,Reams, Josiah

, p. 3622 - 3629 (2007/10/03)

Theoretical arguments linking monomer geometries to polymer fracture strengths and melt flow properties provide the rationale for design of a series of isomeric, high-aspect ratio bisphenols and new polycarbonates. An efficient synthesis of these monomers

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