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28442-18-4

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28442-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28442-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,4,4 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28442-18:
(7*2)+(6*8)+(5*4)+(4*4)+(3*2)+(2*1)+(1*8)=114
114 % 10 = 4
So 28442-18-4 is a valid CAS Registry Number.

28442-18-4Relevant articles and documents

RADICAL-ANIONS OF AROMATIC COMPOUNDS. XXI. THE RADICAL-ANIONS OF 4-SUBSTITUTED 2,6-DIFLUORO- AND 2,3,5,6-TETRAFLUORONITROBENZENES

Selivanova, G. A.,Starichenko, V. F.,Ryabinin, V. A.,Shteingarts, V. D.

, p. 1140 - 1147 (2007/10/02)

For the radical-anions of the series of 4-substituted nitrobenzenes it was established that it fluorine atoms are introduced at both ortho positions of the nitro group the sensitivity of the nature of the para substituent is increased for the spin-spin co

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