Cas 145909-55-3,5,7-dinitro-8-(2-hydroxyphenoxy)quinoline

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Check Digit Verification of cas no

The CAS Registry Mumber 145909-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,9,0 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 145909-55:
(8*1)+(7*4)+(6*5)+(5*9)+(4*0)+(3*9)+(2*5)+(1*5)=153
153 % 10 = 3
So 145909-55-3 is a valid CAS Registry Number.

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145909-55-3Relevant articles and documents

SPIROCYCLIC MEISENHEIMER COMPLEXES.XXIX. ANIONIC SPIRO ? COMPLEXES WITH 1,3-DIOXOLANE AND 1,3-DIOXANE RINGS IN THE 5,7-DINITROQUINOLINE SYSTEM

Khilkova, N. L.,Knyazev, V. N.,Patalakha, N. S.,Drozd, V. N.

, p. 816 - 823 (2007/10/02)

For the first time in the 5,7-dinitroquinoline series anionic Meisenheimer spiro ? complexes were obtained with 1,3-dioxolane, 1,3-dioxane, and 1-3-benzodioxole spirocycles.The starting compounds were 5,7-dinitro-8-quinolinyl derivatives of 1,2-ethanediol

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145909-55-3