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131610-68-9

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131610-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131610-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,1 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131610-68:
(8*1)+(7*3)+(6*1)+(5*6)+(4*1)+(3*0)+(2*6)+(1*8)=89
89 % 10 = 9
So 131610-68-9 is a valid CAS Registry Number.

131610-68-9Downstream Products

131610-68-9Relevant articles and documents

High surface hardness transparent resin and polymerizable monomer

-

, (2008/06/13)

A novel polymerizable monomer represented by the formula (I) useful as a raw material for the high surface hardness transparent resin. STR1 wherein R is an aliphatic residue having or not having an oxygen atom, an alicyclic ring, a heterocyclic ring or an aromatic ring, or an alicyclic residue, l is 0 or 1, each of i and j is an integer of 1 or more, and when l=0, i=j=1, when l=1, (i+j) is 4 or less, when j=1, X is oxygen or sulfur, when j≥2, all X's are oxygen or sulfur, or one X is oxygen and the other X's are sulfur, or one X is sulfur and the other X's are oxygen. The high surface hardness transparent resin comprises a crosslinked polymer prepared by copolymerizing a monomer (A) represented by the formula (I) as above and a monomer (B) containing one or more functional groups of at least one kind selected from the group consisting of CH2 =CH--C(O)--O--, CH2 =C(CH3)--C(O)--O-- and STR2

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