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25226-58-8

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25226-58-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25226-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,2 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25226-58:
(7*2)+(6*5)+(5*2)+(4*2)+(3*6)+(2*5)+(1*8)=98
98 % 10 = 8
So 25226-58-8 is a valid CAS Registry Number.

25226-58-8Relevant articles and documents

1,2-DERIVATIVES OF ACENAPHTHYLENE. IX. NEW DATA ON ADDITION OF HALOGENS TO ACENAPHTHYLENE

Anikin, V. F.,Levandovskaya, T. I.

, p. 961 - 966 (2007/10/02)

Acenaphthylene adds molecular halogens nonstereospecifically.The relative amount of the Z-dihalide increases with decrease in the polarity of the solvent.Z-1,2-dibromo-1,2-dihydroacenaphthylene is not changed after a year at 4-6 deg C; the best solvent for its production is hexane.

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