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221907-01-3

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221907-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221907-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,9,0 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 221907-01:
(8*2)+(7*2)+(6*1)+(5*9)+(4*0)+(3*7)+(2*0)+(1*1)=103
103 % 10 = 3
So 221907-01-3 is a valid CAS Registry Number.

221907-01-3Relevant articles and documents

An efficient synthesis of uracil derivatives from 2-alkyl-Δ2-oxazolines and nitriles

Fustero, Santos,Sanz-Cervera, Juan F.,Mérida, Salvador,Román, Raquel,Villanova, Salvador,Ramírez de Arellano, Carmen

, p. 836 - 847 (2008)

An efficient and convenient synthesis of new fluorinated and non-fluorinated uracils is described herein. The condensation of nitriles with enolates generated from 2-alkyl-Δ2-oxazolines (I) affords fluorinated β-enamino acid derivatives, which

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