117675-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117675-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,7 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117675-31:
(8*1)+(7*1)+(6*7)+(5*6)+(4*7)+(3*5)+(2*3)+(1*1)=137
137 % 10 = 7
So 117675-31-7 is a valid CAS Registry Number.
117675-31-7Relevant articles and documents
METALLOPHTHALOCYANINE AND NANOPARTICLE THEREOF
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Paragraph 0076, (2018/12/01)
PROBLEM TO BE SOLVED: To provide novel metallophthalocyanine soluble in organic solvent and a method of producing the same. SOLUTION: This invention provides a method of producing a phthalocyanine compound shown in the following formulas. COPYRIGHT: (C)20