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89728-91-6

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89728-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89728-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,7,2 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89728-91:
(7*8)+(6*9)+(5*7)+(4*2)+(3*8)+(2*9)+(1*1)=196
196 % 10 = 6
So 89728-91-6 is a valid CAS Registry Number.

89728-91-6Downstream Products

89728-91-6Relevant articles and documents

Benzo[1,2-c:3,4-c′]bis[1,2,5]selenadiazole, [1,2,5]selenadiazolo-[3, 4-e]-2,1,3-benzothiadiazole, furazanobenzo-2,1,3-thiadiazole, furazanobenzo-2,1,3-selenadiazole and related heterocyclic systems

Cillo, Catherine M.,Lash, Timothy D.

, p. 955 - 962 (2007/10/03)

The first synthesis of benzo[1,2-c:3,4- c′]bis[1,2,5]selenadiazole has been developed starting from commercially available 4-nitrobenzo-2,1,3- selenadiazole. Improved syntheses of the related heterocycles [1,2,5]selenadiazolo[3,4-e]-2,1,3-benzothiadiazole, furazanobenzo-2,1,3- thiadiazole and furazanobenzo-2,1,3-selenadiazole are also reported.

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