82643-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82643-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,4 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82643-43:
(7*8)+(6*2)+(5*6)+(4*4)+(3*3)+(2*4)+(1*3)=134
134 % 10 = 4
So 82643-43-4 is a valid CAS Registry Number.
82643-43-4Relevant articles and documents
Organic pigment fine-particle, and method of producing the same
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Page/Page column 31, (2008/06/13)
A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in the course of the laminar flow.