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83523-72-2

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83523-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83523-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,2 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83523-72:
(7*8)+(6*3)+(5*5)+(4*2)+(3*3)+(2*7)+(1*2)=132
132 % 10 = 2
So 83523-72-2 is a valid CAS Registry Number.

83523-72-2Relevant articles and documents

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Kerwin et al.

, p. 1719,1721 (1959)

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SYNTHESIS AND REACTIONS OF 3-PHENYL-3,4-DIHYDRO-1,4-QUINOXALIN-2(1H)-ONE AND ITS HETEROCYCLIC ANALOGUES

Olagbemiro, T.O.,Nyakutse, C.A.,Lajide, L.,Agho, M.O.,Chukwu, C.E.

, p. 473 - 480 (2007/10/02)

The lactams quinoxalinone 3a, benzothiazinone 3b and benzothiazinone 3c were synthesized by reactions of methyl 2-bromo-2-phenylethanoate 1 with orthosubstituted arylamines 2a-2c.Subsequent reductive alkylation of the lactams with sodium hydride and iodom

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