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756902-09-7

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756902-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 756902-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,9,0 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 756902-09:
(8*7)+(7*5)+(6*6)+(5*9)+(4*0)+(3*2)+(2*0)+(1*9)=187
187 % 10 = 7
So 756902-09-7 is a valid CAS Registry Number.

756902-09-7Downstream Products

756902-09-7Relevant articles and documents

Ab-monomers. I: Synthesis and polymerization of furyl-maleimide monomers

Gǎinǎ, Viorica,Gǎinǎ, Constantin

, p. 881 - 890 (2007/10/03)

New AB-monomers containing either furyl and maleimide groups or hydroxy and acid groups were prepared by the reaction of 4-maleimidobenzoic acid chloride or 4-maleimidophenylisocyanate with 2-furfuryl alcohol or the Diels-Alder reaction of 4-maleimidobenzoic acid with 2-furfuryl alcohol, respectively. The structures of the monomers were confirmed by IR, 1H-NMR and elemental analysis. By Diels-Alder polymerization reaction or polycondensation reaction new poly(esther-imide) or poly(urethane-imide)s were prepared. Thermal curing behavior of monomers was investigated by DSC analysis. All polymers were characterized by elemental analysis, IR spectral studies and thermogravimetry.

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