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221560-06-1

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221560-06-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221560-06-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,5,6 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221560-06:
(8*2)+(7*2)+(6*1)+(5*5)+(4*6)+(3*0)+(2*0)+(1*6)=91
91 % 10 = 1
So 221560-06-1 is a valid CAS Registry Number.

221560-06-1Relevant articles and documents

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Bayless,Hauser

, p. 2306 (1954)

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Processes and intermediate compounds for the preparation of 2-(N,N-disubstituted) amino-4-(perfluoroalkyl)-1, 3- oxazin-6-one and 6-(perfluoroalkyl) uracil compounds

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, (2008/06/13)

An improved process and intermediate compounds for the preparation of 2-(N,N-disubstituted)amino-4-(perfluoroalkyl)-1,3-oxazin-6-one compounds having the structural formula I and an improved process for the preparation of 6-(perfluoroalkyl)uracil compound

Process for the preparation of 6-(perfluoroalkyl) uracil compounds form urea compounds

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, (2008/06/13)

An improved process for the preparation of 6-(perfluoroalkyl)uracil compounds having the structural formula I from urea compounds having the structural formula II

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