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140391-41-9

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140391-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140391-41-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,3,9 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 140391-41:
(8*1)+(7*4)+(6*0)+(5*3)+(4*9)+(3*1)+(2*4)+(1*1)=99
99 % 10 = 9
So 140391-41-9 is a valid CAS Registry Number.

140391-41-9Relevant articles and documents

MANUFACTURING INTERMEDIATE AND MANUFACTURING METHOD OF POLYMERIZABLE COMPOUND

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Paragraph 0172-0173; 0181-0182, (2020/04/09)

PROBLEM TO BE SOLVED: To provide a manufacturing intermediate hardly generating discoloration and change of haze, when ultraviolet is radiated to a film-shaped polymer obtained by manufacturing a polymerizable compound and polymerizing a polymerizable composition containing the compound, and a manufacturing method of the manufacturing intermediate. SOLUTION: There are provided a compound represented by the formula (II), a manufacturing method of the compound, a polymerizable compound manufactured from the compound, a polymerizable composition, a polymer obtained by polymerizing the polymerizable composition, and an optical isomer using the polymer. In the formula, R1, R2 and L1 represent organic groups, n1 represents an integer of 1 to 4, when a plurality of L1 exist, it may be same or different, and neighboring L1 each other may form a condensed ring. SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT

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