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1321909-48-1

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1321909-48-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1321909-48-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,1,9,0 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1321909-48:
(9*1)+(8*3)+(7*2)+(6*1)+(5*9)+(4*0)+(3*9)+(2*4)+(1*8)=141
141 % 10 = 1
So 1321909-48-1 is a valid CAS Registry Number.

1321909-48-1Downstream Products

1321909-48-1Relevant articles and documents

Copper-catalyzed dehydration of primary amides to nitriles

Enthaler, Stephan,Weidauer, Maik

, p. 1079 - 1085 (2011)

In the present study we introduce a copper-catalyzed protocol for the dehydration of primary amides to their corresponding nitriles applying N-methyl-N-(trimethylsilyl)trifluoroacetamide (MSTFA) as silylation reagent. For that purpose investigations of various reaction parameters (copper source, solvent, temperature, MSTFA and copper loading) have been carried out to find suitable reaction conditions. Simple copper(I) chloride (2.5 mol%) and MSTFA (2.0 equiv) in toluene allow for the straightforward synthesis of a variety of nitriles (15 examples).

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