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108223-24-1

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108223-24-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108223-24-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,2,2 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 108223-24:
(8*1)+(7*0)+(6*8)+(5*2)+(4*2)+(3*3)+(2*2)+(1*4)=91
91 % 10 = 1
So 108223-24-1 is a valid CAS Registry Number.

108223-24-1Downstream Products

108223-24-1Relevant articles and documents

DERIVATIVES OF 1,4,5,8-NAPHTHTALENETETRACARBOXYLIC ACID. V. REACTION OF 1,4,5,8-NAPHTHTALENETETRACARBOXYDIIMIDES WITH ALKALIS

Bondarenko, E. F.,Shigalevskii, V. A.

, p. 1155 - 1159 (2007/10/02)

When N,N'-diaryl-1,4,5,8-naphthtalenecarboxydiimides are heated with caustic alkalis in alcohols, the dipotassio- and disodio-2,7-diaryl-3,8-dihydroxy-1,6-dioxobenzo-3,8-phenanthrolene- 3,8-dioxides are obtained.Under more drastic conditions the comp

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