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Cyclobutanone, hexamethyl-, also known as hexamethyl-1,2,3,4-tetrahydro-1,4-cyclobutanedicarboxylic anhydride, is a cyclic ketone with the molecular formula C8H12O2. It is a colorless, crystalline solid that is soluble in organic solvents. Cyclobutanone, hexamethyl- is synthesized by the reaction of hexamethylenetetramine with phosgene, and it is used as a monomer in the production of polyimides, which are high-performance polymers with applications in aerospace, electronics, and other industries due to their excellent thermal stability and mechanical properties. Cyclobutanone, hexamethyl- is also known for its potential use in the synthesis of other organic compounds and as a chemical intermediate.

1703-85-1

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1703-85-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1703-85-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,0 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1703-85:
(6*1)+(5*7)+(4*0)+(3*3)+(2*8)+(1*5)=71
71 % 10 = 1
So 1703-85-1 is a valid CAS Registry Number.

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