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500688-80-2

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500688-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500688-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,6,8 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 500688-80:
(8*5)+(7*0)+(6*0)+(5*6)+(4*8)+(3*8)+(2*8)+(1*0)=142
142 % 10 = 2
So 500688-80-2 is a valid CAS Registry Number.

500688-80-2Relevant articles and documents

Trans-4-acetylcyclohexanecarboxylic acid and (±)-trans-2-acetylcyclohexanecarboxylic acid: Hydrogen-bonding patterns in two isomeric keto acids

Newman, Jacob M.,Thompson, Hugh W.,Lalancette, Roger A.

, p. o693-o696 (2007/10/03)

Both title compounds, C9H14O3, display carboxyl-dimer hydrogen-bonding patterns. The 4-acetyl isomer adopts a chiral conformation with negligible disordering of the methyl and carboxyl groups and forms centrosymmetric dime

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