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56720-91-3

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56720-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56720-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,2 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56720-91:
(7*5)+(6*6)+(5*7)+(4*2)+(3*0)+(2*9)+(1*1)=133
133 % 10 = 3
So 56720-91-3 is a valid CAS Registry Number.

56720-91-3Downstream Products

56720-91-3Relevant articles and documents

One-pot Hofmann elimination-transesterification/amidation reactions on REM resin using perfluorous solvents

Morphy, J.Richard,Rankovic, Zoran,York, Mark

, p. 6413 - 6415 (2002)

The incorporation of 2,2,2-trifluoroethanol esters into substrates for the REM resin synthesis of 3° amines allows a one-pot Hofmann elimination/transesterification protocol to be performed. In this way α-amino acid esters and amides were synthesised by a

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