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1234623-20-1

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1234623-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1234623-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,6,2 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1234623-20:
(9*1)+(8*2)+(7*3)+(6*4)+(5*6)+(4*2)+(3*3)+(2*2)+(1*0)=121
121 % 10 = 1
So 1234623-20-1 is a valid CAS Registry Number.

1234623-20-1Downstream Products

1234623-20-1Relevant articles and documents

Versatile synthesis of quaternary 1,3-oxazolidine-2,4-diones and their use in the preparation of α-hydroxyamides

Merino, Omar,Santoyo, Blanca M.,Montiel, Luisa E.,Jiménez-Vázquez, Hugo A.,Zepeda, L. Gerardo,Tamariz, Joaquín

, p. 3738 - 3742 (2010)

A new approach to the synthesis of 1,3-oxazolidine-2,4-diones, via a two-step reaction sequence, starting from the readily available α-ketols and isocyanates, is reported. The condensation of the latter led to the key precursors 4-methylene-2-oxazolidinon

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