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1256347-99-5

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1256347-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256347-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,3,4 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1256347-99:
(9*1)+(8*2)+(7*5)+(6*6)+(5*3)+(4*4)+(3*7)+(2*9)+(1*9)=175
175 % 10 = 5
So 1256347-99-5 is a valid CAS Registry Number.

1256347-99-5Downstream Products

1256347-99-5Relevant articles and documents

Iodine-initiated domino reaction of hepta-1,2-dien-6-yn-4-ols and bronsted acid promoted cyclization of hepta-1,2,6-trien-4-ols leading to functionalized benzenes

He, Yan,Zhang, Xin-Ying,Cui, Liang-Yan,Fan, Xue-Sen

supporting information, p. 717 - 722 (2013/05/09)

Buy one get one free: Concurrent introduction of both iodo- and carbonyl groups, along with the construction of the benzenoid core, has been achieved through an iodine-initiated domino reaction of hepta-1,2-dien-6-yn-4-ols. Moreover, cyclization of hepta-1,2,6-trien-4-ols turns out to also be an efficient pathway toward diversely substituted benzenes. Copyright

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