431899-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 431899-17-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,8,9 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 431899-17:
(8*4)+(7*3)+(6*1)+(5*8)+(4*9)+(3*9)+(2*1)+(1*7)=171
171 % 10 = 1
So 431899-17-1 is a valid CAS Registry Number.
431899-17-1Relevant articles and documents
Electron donors
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, (2008/06/13)
A method of polymerizing at least one olefin comprising contacting the olefin with a catalyst composition comprising: 1) a procatalyst composition comprising a magnesium and titanium-containing component and an electron donor compound of the structure: wh
