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33471-73-7

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33471-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33471-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,7 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33471-73:
(7*3)+(6*3)+(5*4)+(4*7)+(3*1)+(2*7)+(1*3)=107
107 % 10 = 7
So 33471-73-7 is a valid CAS Registry Number.

33471-73-7Downstream Products

33471-73-7Relevant articles and documents

Lanthanide- and DMSO-Induced Ring Opening of 2-Iminooxetanes: Synthesis of β-Lactams and β-Keto Amides

Barbaro, Gaetano,Battaglia, Arturo,Giorgianni, Patrizia

, p. 1020 - 1025 (2007/10/02)

2-Iminooxetanes (1), generated by lanthanide-catalyzed heterocycloaddition of aldehydes to ketene imines, are versatile synthons for β-lactams (2) and for β-keto amides (3).Conversion of 1 into 2 and 3 can be accomplished by either lanthanide-induced or o

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