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92120-72-4

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92120-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92120-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,1,2 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 92120-72:
(7*9)+(6*2)+(5*1)+(4*2)+(3*0)+(2*7)+(1*2)=104
104 % 10 = 4
So 92120-72-4 is a valid CAS Registry Number.

92120-72-4Relevant articles and documents

Reactions of the Carbanion from an Orsellinate Derivative with Electrophiles

Carpenter, T. Adrian,Evans, Geoffrey E.,Leeper, Finian J.,Staunton, James,Wilkinson, Michael R.

, p. 1043 - 1051 (2007/10/02)

Esters of orsellinic acid dimethyl ether (11) are attacked by alkyl-lithium reagents to give ketones and in some cases smaller amounts of alkenes as a result of a second nucleophilic attack.However at -78 deg C attack on (11) by its own anion (10) is suff

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