1059230-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1059230-71-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,9,2,3 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1059230-71:
(9*1)+(8*0)+(7*5)+(6*9)+(5*2)+(4*3)+(3*0)+(2*7)+(1*1)=135
135 % 10 = 5
So 1059230-71-5 is a valid CAS Registry Number.
1059230-71-5Relevant articles and documents
NOVEL PORPHYRAZINE DYE, INK, INK SET, AND COLORED MATERIAL
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Page/Page column 50; 51, (2009/12/23)
The present invention relates to a porphyrazine coloring matter represented by the following formula (1) or a salt thereof; (wherein, each of the rings A to D independently represents a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring,