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2289-99-8

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2289-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2289-99-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2289-99:
(6*2)+(5*2)+(4*8)+(3*9)+(2*9)+(1*9)=108
108 % 10 = 8
So 2289-99-8 is a valid CAS Registry Number.

2289-99-8Downstream Products

2289-99-8Relevant articles and documents

The Photochemistry of α-Nitrostilbenes and Related Compounds. A Study of Double Bond Cleavage Following Intramolecular Cyclization and Nitro-Nitrite Rearrangement

Grant, Richard D.,Pinhey, John T.,Rizzardo, Ezio

, p. 1217 - 1229 (2007/10/02)

A detailed study of the photochemistry of a number of α-nitrostilbenes is reported.The previously described intramolecular cyclization of (1) which resulted in cleavage of the double bond was not found to occur to any extent in the other compounds examined.The majority of the compounds were found to yield significant amounts of aldehydes and nitriles, which result from a new fragmentation pathway arising from initial photochemical nitro-nitrite isomerization.

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