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154474-57-4

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154474-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154474-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,4,7 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 154474-57:
(8*1)+(7*5)+(6*4)+(5*4)+(4*7)+(3*4)+(2*5)+(1*7)=144
144 % 10 = 4
So 154474-57-4 is a valid CAS Registry Number.

154474-57-4Relevant articles and documents

Solvent-Dependent Reversible Rearrangement of 4-(Hydroxyimino)hexahydropyrimidines to 4-Aminotetrahydropyrimidine 3-Oxides

Korbonits, Dezsoe,Tobias-Heja, Erzsebet,Simon, Kalman,Kolonits, Pal

, p. 19 - 22 (2007/10/02)

1,2-Disubstituted 4-hydroxyiminohexahydropyrimidines (8) isomerize in alcohols to yield 1,2-disubstituted 4-aminotetrahydropyrimidine 3-oxides (9).In aprotic solvents the opposite transformation (9-->8) takes place, presumably by a different mechanism.The

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