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146828-49-1

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146828-49-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146828-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,8,2 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 146828-49:
(8*1)+(7*4)+(6*6)+(5*8)+(4*2)+(3*8)+(2*4)+(1*9)=161
161 % 10 = 1
So 146828-49-1 is a valid CAS Registry Number.

146828-49-1Relevant articles and documents

4-Hydroxy-2-quinolones. 3. Synthesis and Physicochemical Properties of 1-R-3-Carbethoxy-4-hydroxy-2-quinolones

Ukrainets, I. V.,Bezuglyi, P. A.,Treskach, V. I.,Turov, A. V.,Slobodzyan, S. V.

, p. 534 - 538 (1992)

1-R-3-Carbethoxy-4-hydroxy-2-quinolones were synthesized by intramolecular cyclization of N-R-2-carbalkoxymalonanilic acids by the Dieckmann reaction.The possibility and advantages of conducting this reaction in aqueous medium were demonstrated.The mutual

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