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129225-85-0

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129225-85-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129225-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,2 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129225-85:
(8*1)+(7*2)+(6*9)+(5*2)+(4*2)+(3*5)+(2*8)+(1*5)=130
130 % 10 = 0
So 129225-85-0 is a valid CAS Registry Number.

129225-85-0Relevant articles and documents

Intramolecular Aromatic Substitution with Bisthiocarbocations. Variations of Lewis Acid, Solvent and Orthothio Substituents

Gamage, Swarna A.,Smith, Robin A. J.

, p. 815 - 824 (2007/10/02)

The effects of Lewis acid, solvent and orthothio substituent have been examined with regard to intramolecular electrophilic aromatic substitution (annulation) with bisthiocarbocations.A suspension of silver trifluoromethanesulfonate in dichloromethane, creating bis(arylthio)carbocations, was found to be the most effective for annulation of six-membered rings.

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