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854644-22-7

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854644-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 854644-22-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,4 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854644-22:
(8*8)+(7*5)+(6*4)+(5*6)+(4*4)+(3*4)+(2*2)+(1*2)=187
187 % 10 = 7
So 854644-22-7 is a valid CAS Registry Number.

854644-22-7Relevant articles and documents

4,5-Dihydroxyimidazolidin-2-ones in α-ureidoalkylation of N-carboxyalkyl-, N-hydroxyalkyl-, and N-(aminoalkyl)ureas 4.* α-Ureidoalkylation of N-(2-acetylaminoethyl)ureas

Gazieva,Lozhkin,Baranov,Kravchenko,Makhova

experimental part, p. 642 - 646 (2011/02/16)

α-Ureidoalkylation of N-(2-acetylaminoethyl)ureas with various 4,5-dihydroxyimidazoli- din-2-ones was systematically studied. Novel N-(2-acetylaminoethyl)glycolurils were obtained. Their yields were found to decrease both when moving from 1,3-H2- to 1,3-Alk2-4,5- dihydroxy- imidazolidin-2-ones and when increasing the size of the substituent at the second N atom in the starting acetylaminoethylurea. The higher yields were achieved with 4,5-diphenyl-4,5- dihydroxyimidazolidin-2-one as the starting compound. 2-(2-Acetylaminoethyl)-4-methylgly- coluril exhibits nootropic activity.

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