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115946-46-8

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115946-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115946-46-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,9,4 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 115946-46:
(8*1)+(7*1)+(6*5)+(5*9)+(4*4)+(3*6)+(2*4)+(1*6)=138
138 % 10 = 8
So 115946-46-8 is a valid CAS Registry Number.

115946-46-8Downstream Products

115946-46-8Relevant articles and documents

A MILD AND EFFICIENT METHOD FOR THE PREPARATION OF N-TOSYL AMIDES AND LACTAMS

Tanner, David,Somfai, Peter

, p. 613 - 618 (2007/10/02)

N-tosyl amides and lactams can be prepared easily and under mild conditions by the inter- or intramolecular condensation of carboxylic acids and secondary sulfonamides.The coupling reagent used is dicyclohexylcarbodiimide (DCC) in the presence of 4-pyrrolidinopyridine (4-PPY) and the reactions proceed readily, usually in high yield, at room temperature.

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